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2-443E515-80 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2-443E515-80: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM, center_hole_diameter: 7.430 INCHES MINIMUM AND 7.520 INCHES MAXIMUM IN, cross-sectional_height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-172-5937, 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
2-443E515-80
NSN: 5330-01-172-5937
NIINs: 011725937, 013053853
FSC: 5330 — Packing and Gasket Materials
CAGE: 81412 — TREADWELL CORPORATION (DELAWARE) DBA TREADWELL CORP (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM
center_hole_diameter7.430 INCHES MINIMUM AND 7.520 INCHES MAXIMUM IN
cross-sectional_height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
NSN5330-01-172-5937
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-443E515-80 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
END ITEM IDENTIFICATIONSUB ATMOSPHERE CONTROL
SUBSTITUTES & CROSS-REFERENCES 3
21-19746 PC12CPReference document
Same NSN cross-reference
Reference document — Secondary reference
2-443 E515-80CPReference document
Same NSN cross-reference
Reference document — Secondary reference
21-19746 PC12Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2-443E515-80?
2-443E515-80 is a O-RING.
What parts can replace 2-443E515-80?
There are 3 known substitutes for 2-443E515-80: 21-19746 PC12CP, 2-443 E515-80CP, 21-19746 PC12. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-443E515-80?
2-443E515-80 is cataloged in the U.S. Government catalog under NSN 5330-01-172-5937. This indicates validated use in U.S. government and defense supply chains.
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