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Technical Data Sheet
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3A9571 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3A9571: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-218-3317, 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
3A9571
NSN: 5340-01-218-3317
FSC: 5340 — Hardware, Commercial
CAGE: 2Y614 — LINK-BELT CRANES, L.P., LLLP (USA)
SPECIFICATIONS
Part Number3A9571
NSN5340-01-218-3317
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3A9571 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
S-1364Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3A9571?
3A9571 is a COVER,ACCESS.
What parts can replace 3A9571?
There is 1 known substitute for 3A9571: S-1364. Substitute compatibility should be verified for your specific system.
What is the NSN for 3A9571?
3A9571 is cataloged in the U.S. Government catalog under NSN 5340-01-218-3317. This indicates validated use in U.S. government and defense supply chains.
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