PartsTable
Technical Data Sheet
PartsTable / O-RING / 1376-05-323
1376-05-323 ✓ 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 material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 3.486 INCHES MINIMUM AND 3.554 INCHES MAXIMUM IN, center_hole_diameter: 3.085 INCHES MINIMUM AND 3.115 INCHES MAXIMUM IN, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-599-1000, 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
1376-05-323
NSN: 5331-00-599-1000
FSC: 5331 — O-RING
CAGE: A0199 — LEONARDO S.P.A. - ELECTRONICS DIVISION - DEFENCE BUSINESS AREA (ITA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter3.486 INCHES MINIMUM AND 3.554 INCHES MAXIMUM IN
center_hole_diameter3.085 INCHES MINIMUM AND 3.115 INCHES MAXIMUM IN
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN5331-00-599-1000
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1376-05-323 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 BUTADIENE-ACRYLONITRILE CLASS NBR
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.085 INCHES MINIMUM AND 3.115 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 3.486 INCHES MINIMUM AND 3.554 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.085 INCHES MINIMUM AND 3.115 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.486 INCHES MINIMUM AND 3.554 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
SK46969PC16-3Interchangeable
interchangeable cross-reference
interchangeable
3600-254REVAPCAN6227-41Interchangeable
interchangeable cross-reference
interchangeable
575-4801-1443691REVAPC27Interchangeable
interchangeable cross-reference
interchangeable
AS28775-338Interchangeable
interchangeable cross-reference
interchangeable
2-338 N230-70Interchangeable
interchangeable cross-reference
interchangeable
AMS-P-83461/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1376-05-323?
1376-05-323 is a O-RING.
What parts can replace 1376-05-323?
There are 16 known substitutes for 1376-05-323: SK46969PC16-3, 3600-254REVAPCAN6227-41, 575-4801-1443691REVAPC27 and 13 more. Substitute compatibility should be verified for your specific system.
Is 1376-05-323 still available?
1376-05-323 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026