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40921-11 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

40921-11: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include special_features: PART OF HYDRAULIC ASSEMBLY, part_name_assigned_by_controlling_agency: GAUGE, SILICONE FILLED. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-475-0314, 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
40921-11
NSN: 5331-01-475-0314
NIINs: 014750314, 016439360, 016802126
FSC: 5331 — O-ring
CAGE: 1QME2 — JOHN DEERE CONSTRUCTION & FORESTRY COMPANY (USA)
SPECIFICATIONS
special_featuresPART OF HYDRAULIC ASSEMBLY
part_name_assigned_by_controlling_agencyGAUGE, SILICONE FILLED
NSN5331-01-475-0314
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40921-11 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONCONTRACTOR LIFETIME SUPPORT (CRLS), HYDRAULIC EXCAVATOR TYPE 1 (HYEX) (MODEL 230 LCR HX1), NSN 3805-01-463-0804, TM5-3805-280-24-P
SUBSTITUTES & CROSS-REFERENCES 1
AT154150Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 40921-11?
40921-11 is a O-RING.
What parts can replace 40921-11?
There is 1 known substitute for 40921-11: AT154150. Substitute compatibility should be verified for your specific system.
What is the NSN for 40921-11?
40921-11 is cataloged in the U.S. Government catalog under NSN 5331-01-475-0314. This indicates validated use in U.S. government and defense supply chains.
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