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2DB979 ✓ 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 COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, end_item_identification: 2320-01-097-0260 TRUCK CARGO 8X8 XM977; TRUCK, HEAVY EXPANDED MOBILITY TACTICAL (HEMTT). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-276-5734, 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
2DB979
NSN: 5340-01-276-5734
FSC: 5340
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL
end_item_identification2320-01-097-0260 TRUCK CARGO 8X8 XM977; TRUCK, HEAVY EXPANDED MOBILITY TACTICAL (HEMTT)
NSN5340-01-276-5734
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2DB979 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
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
END ITEM IDENTIFICATION2320-01-097-0260 TRUCK CARGO 8X8 XM977; TRUCK, HEAVY EXPANDED MOBILITY TACTICAL (HEMTT)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
X8158TCPInterchangeable
interchangeable cross-reference
interchangeable
14768Interchangeable
interchangeable cross-reference
interchangeable
M14771Interchangeable
interchangeable cross-reference
interchangeable
490713-1Interchangeable
interchangeable cross-reference
interchangeable
490713Interchangeable
interchangeable cross-reference
interchangeable
51178-3-003Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2DB979?
2DB979 is a COVER,ACCESS.
What parts can replace 2DB979?
There are 6 known substitutes for 2DB979: X8158TCP, 14768, M14771 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2DB979?
2DB979 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-276-5734. 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