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When selecting finishes, select the RoHS compliant finishes. They are better for the environment and less expensive!

PA-3500 Stud Assembly Finishes

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RoHS (Restriction of Hazardous Substances) Compliant Finishes

Finish
Suffix
Old
Finish
Older
Finish
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Finish DescriptionSpecification
BBGT------Epoxy primer followed by epoxy top coat color: Gray Color Number R/C 239 Rockwell Collins P/N 580-0709-028 #239 Bombardier Gray.
Applied over zinc plate per ASTM-B-633, Type III, SC2 Trivalent clear chromate with NO sealer.
ASTM-B-633
MIL-P-23377
MIL-P-53022
BOCRBRBOBlack oxide over copper
sealer: clear acrylic dip
(MIL-C-14550, CLASS 2) AMS 2418, TYPE 1 COPPER PLATE
MIL-F-495, BLACK OXIDE OVER COPPER
BOFBABOBlack oxide over ferrous metal - Class to be determined by materialMIL-C-13924, CLASS 1, 3, 4
EEB2------Black epoxy .0006 min. thickness with black epoxy enamel .0003 min. thickness. Black epoxy and enamel color no. 37038 (No base coating)
Available over Stainless Steel Only!
MIL-P-23377
MIL-C-22750
FED-STD-595
EEBRT------Brown Epoxy .0006 min. thickness with brown epoxy enamel .0003 min thickness, Lusterless Brown color no. 30040. Applied over zinc plate per ASTM-B-633, Type III, SC2 Trivalent clear chromate with NO sealer.MIL-P-23377
MIL-C-22750
FED-STD-595
ASTM-B-633
EEBT------Black Epoxy .0006 min. thickness with black epoxy enamel .0003 min thickness, Black Epoxy enamel color no. 37038. Applied over zinc plate per ASTM-B-633, Type III, SC2 Trivalent clear chromate with NO sealer.MIL-P-23377
MIL-C-22750
FED-STD-595
ASTM-B-633
EEB1T------Black Epoxy .0006 min. thickness with black epoxy enamel .0003 min thickness, Black Epoxy enamel color no. 37038. Applied over zinc plate per ASTM-B-633, Type III, SC2 Trivalent clear chromate with NO sealer.MIL-P-85582
MIL-C-22750
FED-STD-595
ASTM-B-633
EEGT------Gray Epoxy .0006 min. thickness with gray epoxy enamel .0003 min. thickness. Gray color number 36118. Applied over zinc plate per ASTM-B-633, Type III, SC2 Trivalent clear chromate with NO sealer.MIL-P-23377
MIL-C-22750
FED-STD-595
ASTM-B-633
EEG1T------Gray Epoxy .0006 min. thickness with gray epoxy enamel .0003 min. thickness. Gray color number 36231. Applied over zinc plate per ASTM-B-633, Type III, SC2 Trivalent clear chromate with NO sealer.MIL-P-23377
MIL-C-22750
FED-STD-595
ASTM-B-633
EEG2T------Gray Epoxy .0006 min. thickness with gray epoxy enamel .0003 min. thickness. Gray color number 26492. Applied over zinc plate per ASTM-B-633, Type III, SC2 Trivalent clear chromate with NO sealer.MIL-P-23377
MIL-C-22750
FED-STD-595
ASTM-B-633
EEG3T------Gray Epoxy .0006 min. thickness with gray epoxy enamel .0003 min. thickness. Lusterless Gray color number 36152. Applied over zinc plate per ASTM-B-633, Type III, SC2 Trivalent clear chromate with NO sealer.MIL-P-23377
MIL-C-22750
FED-STD-595
ASTM-B-633
EEG4T------Gray Epoxy .0006 min. thickness with gray epoxy enamel .0003 min. thickness. Lusterless Gray color number 36076. Applied over zinc plate per ASTM-B-633, Type III, SC2 Trivalent clear chromate with NO sealer.MIL-P-23377
MIL-C-22750
FED-STD-595
ASTM-B-633
EEMBT------Medium Brown Epoxy .0006 min. thickness with medium brown epoxy enamel .0003 min. thickness color Boeing brown. Applied over zinc plate per ASTM-B-633, Type III, SC2 trivalent clear chromate with NO sealer.MIL-P-23377
MIL-C-22750
ASTM-B-633
BAC8328
ETG2------One coat BMS10-11, Type I Epoxy Resin Primer per BAC5736 and bms10-83, Type III Gray Topcoat, Boeing color BAC703 per D-14080, Applied per BAC5755, Type 4 Applied over zinc plate per ASTM-B-633, Type III, SC2 Trivalent clear chromate with NO sealer.ASTM-B-633 TYPE III, CLASS SC2 CLEAR CHROMATE
GBLT------Epoxy primer followed by epoxy top coat color, Adams No. 25 lusterless Gunmetal Applied over zinc plate per ASTM-B-633, Type III, SC2 Trivalent clear chromate with NO sealer.BAC Number: 721
BAC Name: Gray
ASTM-B-633
MIL-P-23377
K3BKBBKBChromium plate, NI .0003 thick, black chromiumMIL-C-14538, COLOR NO. 37038/FED-STD-595
K3CKBCKChromium plate, NI .0003 thick, bright (clear) chromiumQQ-C-320, TYPE I, CLASS 1, BRIGHT
K3GKBG---Chromium plate, NI .0003 thick, bronze-gold chromiumQQ-C-320, TYPE I, CLASS 1, BRONZE
NBONBB---Black nickel over nickel plate .0004 thickMIL-P-18317, OVER QQ-N-290, CLASS 1, GRADE F
SGMT------Epoxy prime coat followed by urethane topcoat. Color: silver gray metalic, color no. 290 per color chip part no. 071-0103-000; Applied over zinc plate per ASTM-B-633, Type III, SC2 Trivalent clear chromate with NO sealer.074-0103-000
ASTM-B-633
MIL-P-23377
ZFBT------Zinc Flake Coating with Black Sealer
Delta Seal Black GZ Coating
Delta Protekt
KL100
Z3BT------Zinc Trivalent Black .0003 thick. Trivalent Chromate Black Dye with SealerASTM-B-633, Type II, SC 2, Black
Z3CT------Zinc Trivalent Clear .0003 thick. Trivalent Chromate Clear with SealerASTM-B-633, Type III, SC 2, Clear
Z3N------Zinc Trivalent .0003 thick. Trivalent Chromate Clear with NO sealer.ASTM-B-633, TYPE III SC2 Clear
Z3YT------Zinc Trivalent Yellow .0003 thick, Trivalent Chromate Yellow Dye with Sealer

We recommend the Z3CT finish instead of the Z3YT finish. The Z3CT finish is much more cost effective and provides the same salt spray benefits as the Z3YT finish.
ASTM-B-633, Type II, SC 2, Yellow

Standard Finishes

Finish
Suffix
Old
Finish
Older
Finish
****
Finish DescriptionSpecification
ABGB------Airbus Color: 5788 Gris Bleu (Blue Grey)
per ASNA 3687-5316 A & B Nominal Texture
Paint part number 404-12-5788
Paint must be provided by Mankiewsicz Coatings
Zinc plate yellow chromate undercoating.
ASNA 3687-5316
ASTM-B-633
BBG------Zinc plate per ASTM-B-633, Type II, Class SC2 or SC3, Yellow chromate apply one additional coat epoxy primer followed by epoxy top coat color: Gray ColorNumber R/C 239 Rockwell Collins P/N 580-0709-028 #239 Bombardier GrayASTM-B-633
MIL-P-23377
MIL-P-53022
BBG1------Zinc plate per ASTM-B-633, Type II, Class SC2, Yellow chromate apply one additional coat epoxy primer followed by epoxy top coat color: Gray ColorNumber R/C 239 Rockwell Collins P/N 580-0709-028 #239 Bombardier Gray Control Document 4-15-015L94GYASTM-B-633
MIL-P-23377
MIL-PRF-85285
BGE------Zinc plate per ASTM-B-633, Type II, Class SC2 or SC3, Yellow chromate. Apply one additional coat epoxy primer followed by epoxy top coat: Blue Gray Color Number 35164 per Fed-Std-595MIL-P-23377
ASTM-B-633
MIL-P-53022
FED-STD-595
BGE1------Zinc plate per ASTM-B-633, Type II, Class SC2 Yellow Chromate. Apply one additional coat epoxy primer followed by epoxy top coat: Blue Gray Color Number 182 per color Chip part number 074-0101-960; color control standard 580-0165-013074-0101-960
ASTM-B-633
MIL-P-23377
580-0165-013
BLLO---Black Lacquer -- This finish is obsolete. The BOC finish is the closest available finish with a similar appearance.---
EEBSEBEPBBlack epoxy .0006 min. thickness with black epoxy enamel .0003 min. thickness. Black epoxy and enamel color no. 37038 applied over cadmium plate Type II, Class 2, Yellow ChromateMIL-P-23377,
MIL-C-22750,
FED-STD 595
QQ-P-416
EEB1------Black epoxy .0006 thick with black epoxy enamel .0003 thick. Black epoxy and enamel color no. 37038 applied over cadmium plate Type II, Class 2, Yellow Chromate.
This finish will have a base coating of Cadmium.
MIL-P-85582
MIL-C-22750
FED-STD-595
QQ-P-416, TYPE II, Class 2 YELLOW
EEB1X------Black epoxy .0006 thick with black epoxy enamel .0003 thick. Black epoxy and enamel color no. 37038.
This finish will have a base coating of zinc.
MIL-P-85582
MIL-C-22750
FED-STD-595
ASTM-B-633, TYPE II, SC2 YELLOW
EEBX------Black epoxy .0006 min. thickness with black epoxy enamel .0003 min. thickness. Black epoxy and enamel color no. 37038 applied over Zinc Plate Type II, SC2 Yellow ChromateMIL-P-23377,
ASTM-B633,
MIL-C-22750,
FED-STD 595
EEGSEGEPGGray epoxy .0006 min. thickness with gray epoxy enamel .0003 min. thickness gray color no. 36118 applied over cadmium plate Type II, Class 2, Yellow ChromateMIL-P-23377
MIL-C-22750
FED-STD 595
QQ-P-416
EEG1SEG1---Gray epoxy .0006 min. thickness with gray epoxy enamel .0003 min. thickness. Gray color no. 36231 applied over cadmium plate Type II, Class 2, Yellow ChromateMIL-P-23377
MIL-C-22750
FED-STD 595
QQ-P-416
EEG2SEG2---Gray epoxy .0006 min. thickness with gray epoxy enamel .0003 min. thickness. Gray color no. 26492 applied over cadmium plate Type II, Class 2, Yellow ChromateMIL-P-23377
MIL-C-22750
FED-STD-595
QQ-P-416
EEG3SEG3---Gray epoxy .0006 min. thickness with gray epoxy enamel .0003 min. thickness. Lusterless gray color no. 36152 applied over cadmium plate Type II, Class 2, Yellow ChromateMIL-P-23377
MIL-C-22750
FED-STD-595
QQ-P-416
EEGX------Gray epoxy .0006 min. thickness with gray epoxy enamel .0003 min. thickness Gray color number 36118 applied over Zinc Plate Type II, SC2 Yellow ChromateMIL-P-23377
MIL-C-22750
ASTM-B633
FED-STD-595
EEMBSEMBEPMBCadmium plate Type II, Class 2 yellow Chromate, Medium brown epoxy .0006 min. thickness with medium brown epoxy .0003 min. thickness. Color - Boeing brownQQ-P-416
MIL-P-23377
MIL-C-22750
BAC 8328
EEMBX------Medium brown epoxy .0006 min. thickness with medium brown epoxy ENAMEL .0003 min. thickness. Color - Boeing brown BAC8328 Applied over zinc plate Type II, SC2 Yellow ChromateMIL-P-23377
MIL-C-22750
ASTM-B633
BAC8328
EPBSCB---Cationic epoxy (Powerprime 500, PPG3002 - METOKOTE) film thickness: 0.70.2 mil nominal, color: blackPOWERPRIME 500, PPG3002
ETB------Epoxy resin primer and one coat of thermosetting color coat, lusterless black, color number 37038 over zinc plate Type II, SC2 Yellow ChromateProcess Control Document 4-04-0525
FED-STD-595
ASTM-B-633
ETG------Cadmium plate per ASM-QQ-P-416, Type II, Class 2 or Zinc Plate per ASTM-B-633, Type II, Class SC2 or SC3, Yellow Chromate Apply one additional coat Epoxy Resin Primer and one coat of Thermosetting color coat, Lusterless Gray, Boeing Color BAC703 per D-14080, coating materials and application processes controlled per process control document 4-04-0525AMS-QQ-P-416,
TYPE II, CLASS 2
ASTM B 633,
TYPE II, CLASS
SC2 OR SC3
YELLOW CHROMATE
ETG1------Cadmium plate per ASM-QQ-P-416, Type II, Class 2 or Zinc Plate per ASTM-B-633, Type II, Class SC2 or SC3, Yellow Chromate Apply one coat BMS10-11, Type I Epoxy Resin Primer per BAC5736 and bms10-83, Type III Gray Topcoat, Boeing color BAC703 per D-14080, Applied per BAC5755, Type 4AMS-QQ-P-416,
TYPE II, CLASS 2
ASTM B 633,
TYPE II, CLASS
SC2 OR SC3
YELLOW CHROMATE
ETR------Cadmium plate per ASM-QQ-P-416, Type II, Class 2, or Zinc plate per ASTM b 633, Type II, Class SC2 or SC3 Yellow Chromate Apply one additional coat epoxy resin primer and one coat of thermosetting color coat, lusterless brown Boeing color BAC8328 per D-14080 Coating materials and application processes controlled per process control document 4-04-0525AMS-QQ-P-416,
TYPE II, CLASS 2
ASTM B 633,
TYPE II, CLASS
SC2 OR SC3
YELLOW CHROMATE
FGE------Epoxy prime coat followed by epoxy top coat Color: flat gray, color number 243 per color chip part number 074-0100-520 color control standard 580-6553.074-0100-520
580-6553
Process Standard
GBL------Gray Hi-speed Lacquer, Flexible Lacquer, Adams No. 25 Gunmetal Over Zinc Plate Yellow Chromate Type II, SC2BAC Number: 721
BAC Name: Gray
ASTM-B-633
Part Number:
4-15-015L61GY
PASPS---Passivation of Stainless Steel partsAMS-QQ-P-35, Type to be determined by material type
SGM------Cadmium plate Type II, Class 2 yellow Chromate, epoxy prime coat followed by epoxy topcoat. Color: silver gray metallic, color no. 290 per color chip part no. 074-0103-000; color control standard 580-6553.074-0103-000
580-6553
Process Standard
QQ-P-416
SGMX------Zinc plate Type II, SC2 yellow Chromate, epoxy prime coat followed by epoxy topcoat. Color: silver gray metallic, color no. 290 per color chip part no. 074-0103-000; color control standard 580-6553.074-0103-000
580-6553
Process Standard
ASTM-B-633
UEB------Epoxy primer .0006 min. thickness with black urethane .0003 min. thickness Black color no. 37038 MIL-P-23377
MIL-C-46168
FED-STD-595
Z3BZBBZIB, ZI8Zinc electroplate .0003 thick, black chromateASTM-B-633, TYPE II, SC 2, BLACK

NOTE: Some of the finishes listed may not always be available. Availability may be affected by order quantity and lead time. Type of plating ordered can affect lead time.

**** There may be some duplication in the finish codes for the older finishes as the older finishes did not include specifications for the finish thickness. Please select the current finish code for the appropriate thickness.