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AM11476 SYM 4 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AM11476 SYM 4: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-278-1754, 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
AM11476 SYM 4
NSN: 5331-01-278-1754
FSC: 5331 — O-ring
CAGE: 67049 — YOUNG TOUCHSTONE COMPANY DIV YOUNG TOUCHSTONE (USA)
SPECIFICATIONS
Part NumberAM11476 SYM 4
NSN5331-01-278-1754
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AM11476 SYM 4 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 3
B304305Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
YC304305Reference document
Same NSN cross-reference
Reference document — Secondary reference
304305Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 AM11476 SYM 4?
AM11476 SYM 4 is a O-RING.
What parts can replace AM11476 SYM 4?
There are 3 known substitutes for AM11476 SYM 4: B304305, YC304305, 304305. Substitute compatibility should be verified for your specific system.
What is the NSN for AM11476 SYM 4?
AM11476 SYM 4 is cataloged in the U.S. Government catalog under NSN 5331-01-278-1754. This indicates validated use in U.S. government and defense supply chains.
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