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2311-0128 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2311-0128: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-486-2514, 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
2311-0128
NSN: 5331-00-486-2514
NIINs: 004862514, 011022149
FSC: 5331 — O-ring
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
NSN5331-00-486-2514
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2311-0128 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
•
CROSS-SECTIONAL HEIGHT: 0.0670 INCHES MINIMUM AND 0.0730 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.0670 INCHES MINIMUM AND 0.0730 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
MATERIALRUBBER CHLOROPRENE CLASS CR
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2311-0128?
2311-0128 is a PACKING,PREFORMED.
What is the NSN for 2311-0128?
2311-0128 is cataloged in the U.S. Government catalog under NSN 5331-00-486-2514. 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.