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M155921 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M155921: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: IAS-ALUMMC-2, DRIVE SHAFT, part_name_assigned_by_controlling_agency: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-650-5268, 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
M155921
NSN: 5331-01-650-5268
FSC: 5331 — O-ring
CAGE: 0XWZ3 — DEERE & COMPANY DBA DEERE JOHN CO DIV JOHN DEERE SABD & GOVERNMENT SALES (USA)
SPECIFICATIONS
end_item_identificationIAS-ALUMMC-2, DRIVE SHAFT
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-650-5268
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M155921 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
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING
END ITEM IDENTIFICATIONIAS-ALUMMC-2, DRIVE SHAFT
SUBSTITUTES & CROSS-REFERENCES 1
1063281Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M155921?
M155921 is a O-RING.
What parts can replace M155921?
There is 1 known substitute for M155921: 1063281. Substitute compatibility should be verified for your specific system.
What is the NSN for M155921?
M155921 is cataloged in the U.S. Government catalog under NSN 5331-01-650-5268. This indicates validated use in U.S. government and defense supply chains.
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