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2AT940 ✓ 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

The PACKING ASSORTMENT,PREFORMED is a the manufacturer industrial component. Key specifications include end_item_identification: HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-177-3042, 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
2AT940
NSN: 5330-01-177-3042
FSC: 5330
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
special_featuresASSORTMENT CONSISTS OF 1 CAGE 58864,P/N 9830 O'RING,1 CAGE 58864,P/N9831 O'RING,1 CAGE 58864,P/N 9833 O' RING,1 CAGE 58864 P/N 9832 BACK UP RING,1 CAGE 58864 P/N 9834 BACK UP RING
end_item_identificationHEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
NSN5330-01-177-3042
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2AT940 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 (FLIS)
SPECIAL FEATURESASSORTMENT CONSISTS OF 1 CAGE 58864,P/N 9830 O'RING,1 CAGE 58864,P/N9831 O'RING,1 CAGE 58864,P/N 9833 O' RING,1 CAGE 58864 P/N 9832 BACK UP RING,1 CAGE 58864 P/N 9834 BACK UP RING
END ITEM IDENTIFICATIONHEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
99-49Interchangeable
interchangeable cross-reference
interchangeable
ERC1168-009Interchangeable
interchangeable cross-reference
interchangeable
712733-9Interchangeable
interchangeable cross-reference
interchangeable
DM949NInterchangeable
interchangeable cross-reference
interchangeable
24-469949Interchangeable
interchangeable cross-reference
interchangeable
949PCInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2AT940?
2AT940 is a PACKING ASSORTMENT,PREFORMED.
What parts can replace 2AT940?
There are 8 known substitutes for 2AT940: 99-49, ERC1168-009, 712733-9 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2AT940?
2AT940 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-177-3042. 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