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E21029 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

E21029: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include end_item_identification: AH-64 APACHE ATTACK HELICOPTER, part_name_assigned_by_controlling_agency: RUBBER EXTRUSION ELASTOMER. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-628-8857, 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
E21029
NSN: 5330-01-628-8857
FSC: 5330 — Packing and Gasket Materials
CAGE: 06470 — WEST AMERICAN RUBBER COMPANY, LLC. DBA WEST AMERICAN RUBBER CO LLC (USA)
SPECIFICATIONS
end_item_identificationAH-64 APACHE ATTACK HELICOPTER
part_name_assigned_by_controlling_agencyRUBBER EXTRUSION ELASTOMER
NSN5330-01-628-8857
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: E21029 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 AGENCYRUBBER EXTRUSION ELASTOMER
END ITEM IDENTIFICATIONAH-64 APACHE ATTACK HELICOPTER
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 2
HS4020-6-CReference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
E15620Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 E21029?
E21029 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace E21029?
There are 2 known substitutes for E21029: HS4020-6-C, E15620. Substitute compatibility should be verified for your specific system.
What is the NSN for E21029?
E21029 is cataloged in the U.S. Government catalog under NSN 5330-01-628-8857. This indicates validated use in U.S. government and defense supply chains.
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