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PartsTable / COMPONENT / HS4312-1-2126
HS4312-1-2126 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include fsc_application_data: NHA 7-W10000000-1, end_item_identification: APACHE ATTACK HELICOPTER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-497-2068, 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
HS4312-1-2126
NSN: 5330-01-497-2068
FSC: 5330
CAGE: 02731 — MCDONNELL DOUGLAS HELICOPTER CO INC (USA)
SPECIFICATIONS
fsc_application_dataNHA 7-W10000000-1
end_item_identificationAPACHE ATTACK HELICOPTER
NSN5330-01-497-2068
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HS4312-1-2126 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
•
FSC APPLICATION DATA: NHA 7-W10000000-1
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONAPACHE ATTACK HELICOPTER
FSC APPLICATION DATANHA 7-W10000000-1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
5696Interchangeable
interchangeable cross-reference
interchangeable
8518393Interchangeable
interchangeable cross-reference
interchangeable
1-119954Interchangeable
interchangeable cross-reference
interchangeable
7951827Interchangeable
interchangeable cross-reference
interchangeable
488290Interchangeable
interchangeable cross-reference
interchangeable
MT66ARC5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HS4312-1-2126?
HS4312-1-2126 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace HS4312-1-2126?
There are 17 known substitutes for HS4312-1-2126: 5696, 8518393, 1-119954 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HS4312-1-2126?
HS4312-1-2126 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-497-2068. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026