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863-000676 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

863-000676: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: STEEL, design_type: FRICTION, surface_treatment: CADMIUM, opening_inside_diameter_for_which_designed: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-481-7575, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
863-000676
NSN: 5340-01-481-7575
FSC: 5340 — Hardware, Commercial
CAGE: 4X630 — GUILD ASSOCIATES INC (USA)
SPECIFICATIONS
materialSTEEL
design_typeFRICTION
surface_treatmentCADMIUM
end_item_identificationCONTRACTOR LOGISTIC SUPPORT MODEL M871,30-FOOT TRAILER,LAUNDRY ADVANCED SYSTEM (LADDS),NSN 2330-00-122-6779 CONTRACT DAAK60-97-C-922 TM 9-3510-122-24P
opening_inside_diameter_for_which_designed0.375 INCHES NOMINAL IN
NSN5340-01-481-7575
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 863-000676 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
DESIGN TYPE: FRICTION
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 0.375 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OPENING INSIDE DIAMETER FOR WHICH DESIGNED0.375 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM
END ITEM IDENTIFICATIONCONTRACTOR LOGISTIC SUPPORT MODEL M871,30-FOOT TRAILER,LAUNDRY ADVANCED SYSTEM (LADDS),NSN 2330-00-122-6779 CONTRACT DAAK60-97-C-922 TM 9-3510-122-24P
MATERIALSTEEL
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 3
B3DC-DPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DH-SDC-60Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
H3-66M-YWSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 863-000676?
863-000676 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 863-000676?
There are 3 known substitutes for 863-000676: B3DC-DP, DH-SDC-60, H3-66M-YW. Substitute compatibility should be verified for your specific system.
What is the NSN for 863-000676?
863-000676 is cataloged in the U.S. Government catalog under NSN 5340-01-481-7575. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.