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2443-496Z — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2443-496Z: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-291-0547, 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
2443-496Z
NSN: 5331-01-291-0547
FSC: 5331 — O-ring
CAGE: 07322 — MINNESOTA RUBBER CO (USA)
SPECIFICATIONS
Part Number2443-496Z
NSN5331-01-291-0547
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2443-496Z 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
SUBSTITUTES & CROSS-REFERENCES 2
Q2443-496ZReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
Q2443-496Z-80Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2443-496Z?
2443-496Z is a O-RING.
What parts can replace 2443-496Z?
There are 2 known substitutes for 2443-496Z: Q2443-496Z, Q2443-496Z-80. Substitute compatibility should be verified for your specific system.
What is the NSN for 2443-496Z?
2443-496Z is cataloged in the U.S. Government catalog under NSN 5331-01-291-0547. 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.