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Technical Data Sheet
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77139655 — BRACKET,STAR,AIRCRA

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

77139655: BRACKET,STAR,AIRCRA.

The BRACKET,STAR,AIRCRA is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-473-6649, 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
77139655
NSN: 5340-01-473-6649
FSC: 5340 — Hardware, Commercial
CAGE: 1E0F1 — ROLLS ROYCE CORP (USA)
SPECIFICATIONS
Part Number77139655
NSN5340-01-473-6649
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 77139655 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
SUBSTITUTES & CROSS-REFERENCES 1
NSN SPECIFIC V-22 AE1107C ENGINESame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 77139655?
77139655 is a BRACKET,STAR,AIRCRA.
What parts can replace 77139655?
There is 1 known substitute for 77139655: NSN SPECIFIC V-22 AE1107C ENGINE. Substitute compatibility should be verified for your specific system.
What is the NSN for 77139655?
77139655 is cataloged in the U.S. Government catalog under NSN 5340-01-473-6649. This indicates validated use in U.S. government and defense supply chains.
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