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3043923 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3043923: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: SEAL,O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-201-3623, 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
3043923
NSN: 5331-01-201-3623
NIINs: 012013623, 014572764, 015588414
FSC: 5331 — O-ring
CAGE: K4843 — CUMMINS LTD (GBR)
SPECIFICATIONS
end_item_identification4940-01-463-7940 FORWARD REPAIR SYSTEM M7; ENGINE,DIESEL,QSB5.9-425 GS.SO40716/SO88225 FOR MRAP; RG-31 MRAP; MEDIUM MINE PROTECTED VEHICLE - MMPV
part_name_assigned_by_controlling_agencySEAL,O-RING
NSN5331-01-201-3623
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3043923 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: RUBBER
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONMRAP - COMMON NSN - USED ON 3 MRAP VARIANTS AND 24 OTHER WEAPON SYSTEMS; MEDIUM MINE PROTECTED VEHICLE - MMPV
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES 2
145530Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2 0095-121Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3043923?
3043923 is a O-RING.
What parts can replace 3043923?
There are 2 known substitutes for 3043923: 145530, 2 0095-121. Substitute compatibility should be verified for your specific system.
What is the NSN for 3043923?
3043923 is cataloged in the U.S. Government catalog under NSN 5331-01-201-3623. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.