PartsTable
Technical Data Sheet
2179 31366 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: 2320-01-529-2249, part_name_assigned_by_controlling_agency: O-RING,PINION BEARING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-551-5586, 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
2179 31366
NSN: 5331-01-551-5586
FSC: 5331 — O-RING
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)
SPECIFICATIONS
end_item_identification2320-01-529-2249
part_name_assigned_by_controlling_agencyO-RING,PINION BEARING
NSN5331-01-551-5586
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2179 31366 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)
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING,PINION BEARING
END ITEM IDENTIFICATION2320-01-529-2249
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
3062Interchangeable
interchangeable cross-reference
interchangeable
A1619Interchangeable
interchangeable cross-reference
interchangeable
5737Interchangeable
interchangeable cross-reference
interchangeable
31-366Interchangeable
interchangeable cross-reference
interchangeable
9995236Interchangeable
interchangeable cross-reference
interchangeable
HA363Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2179 31366?
2179 31366 is a O-RING.
What parts can replace 2179 31366?
There are 18 known substitutes for 2179 31366: 3062, A1619, 5737 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2179 31366?
2179 31366 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-551-5586. This indicates validated use in U.S. government and defense supply chains.
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