PartsTable
Technical Data Sheet
PartsTable / O-RING / 1653929-1
1653929-1 ✓ 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: 3.762 INCHES NOMINAL IN, center_hole_diameter: 3.460 INCHES MINIMUM AND 3.508 INCHES MAXIMUM IN, cross-sectional_height: 0.125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-726-0797, 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
1653929-1
NSN: 5331-00-726-0797
FSC: 5331 — O-RING
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter3.762 INCHES NOMINAL IN
center_hole_diameter3.460 INCHES MINIMUM AND 3.508 INCHES MAXIMUM IN
cross-sectional_height0.125 INCHES NOMINAL IN
NSN5331-00-726-0797
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1653929-1 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
•
CENTER HOLE DIAMETER: 3.460 INCHES MINIMUM AND 3.508 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
OUTSIDE DIAMETER: 3.762 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER3.460 INCHES MINIMUM AND 3.508 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
OUTSIDE DIAMETER3.762 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
AS568-238Interchangeable
interchangeable cross-reference
interchangeable
58094Interchangeable
interchangeable cross-reference
interchangeable
D2000-05 2BG715E034EF11EF21F1Interchangeable
interchangeable cross-reference
interchangeable
059209Interchangeable
interchangeable cross-reference
interchangeable
11012-28Interchangeable
interchangeable cross-reference
interchangeable
01932Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1653929-1?
1653929-1 is a O-RING.
What parts can replace 1653929-1?
There are 7 known substitutes for 1653929-1: AS568-238, 58094, D2000-05 2BG715E034EF11EF21F1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1653929-1?
1653929-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-726-0797. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026