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04-21669 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

04-21669: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: RUBBER NEOPRENE OVERALL, overall_length: 330.0 MILLIMETERS NOMINAL MM, hardness_rating: 60.0 SHORE DUROMETER A NOMINAL OVERALL, end_item_identification: 6115-01-561-7718 GENERATOR SET, DIESEL ENGINE, part_name_assigned_by_controlling_agency: SEAL, RADIATOR. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-599-2918, 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
04-21669
NSN: 5330-01-599-2918
FSC: 5330 — Packing and Gasket Materials
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
materialRUBBER NEOPRENE OVERALL
overall_length330.0 MILLIMETERS NOMINAL MM
hardness_rating60.0 SHORE DUROMETER A NOMINAL OVERALL
end_item_identification6115-01-561-7718 GENERATOR SET, DIESEL ENGINE
part_name_assigned_by_controlling_agencySEAL, RADIATOR
NSN5330-01-599-2918
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 04-21669 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
KEY FEATURES
•
HARDNESS RATING: 60.0 SHORE DUROMETER A NOMINAL OVERALL
•
COLOR: BLACK
•
MATERIAL: RUBBER NEOPRENE OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING60.0 SHORE DUROMETER A NOMINAL OVERALL
OVERALL LENGTH330.0 MILLIMETERS NOMINAL MM
COLORBLACK
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL, RADIATOR
END ITEM IDENTIFICATION6115-01-561-7718 GENERATOR SET, DIESEL ENGINE
MATERIALRUBBER NEOPRENE OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
A030D494Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 04-21669?
04-21669 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace 04-21669?
There is 1 known substitute for 04-21669: A030D494. Substitute compatibility should be verified for your specific system.
What is the NSN for 04-21669?
04-21669 is cataloged in the U.S. Government catalog under NSN 5330-01-599-2918. 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.