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218432 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

218432: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include special_features: SEAL USED ON FAN CLUTCH ASSEMBLY, part_name_assigned_by_controlling_agency: SEAL, O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-497-8778, 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
218432
NSN: 5331-01-497-8778
FSC: 5331 — O-ring
CAGE: 10237 — CADILLAC GAGE TEXTRON INC. (USA)
SPECIFICATIONS
special_featuresSEAL USED ON FAN CLUTCH ASSEMBLY
end_item_identificationDIRECT VENDOR DELIVERY (DVD), MODEL XM1117, ARMORED SECURITY VEHICLE (ASV), NSN 2320-01-437-6957, CAGE 10237, PART NUMBER 216098, TM 9-2320-307-24P, CONTRACT DAAE07-99-C-S001
part_name_assigned_by_controlling_agencySEAL, O-RING
NSN5331-01-497-8778
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 218432 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
SPECIAL FEATURESSEAL USED ON FAN CLUTCH ASSEMBLY
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL, O-RING
END ITEM IDENTIFICATIONDIRECT VENDOR DELIVERY (DVD), MODEL XM1117, ARMORED SECURITY VEHICLE (ASV), NSN 2320-01-437-6957, CAGE 10237, PART NUMBER 216098, TM 9-2320-307-24P, CONTRACT DAAE07-99-C-S001
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
1940Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 218432?
218432 is a O-RING.
What parts can replace 218432?
There is 1 known substitute for 218432: 1940. Substitute compatibility should be verified for your specific system.
What is the NSN for 218432?
218432 is cataloged in the U.S. Government catalog under NSN 5331-01-497-8778. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.