NSN 5331-00-143-8485 · NIIN 001438485 · Part number 131026
Cummins Inc. · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 15434
Government record, cited
NSN 5331-00-143-8485 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-143-8485. Manufacturer of record part number: 131026.
Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Diameter: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
Material: RUBBER SYNTHETIC
3 manufacturer part numbers on file
Manufacturer of record: Cummins Inc.
Identification
NSN: 5331-00-143-8485
NIIN: 001438485
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 131026
Manufacturer: Cummins Inc.
General Description
The O-Ring, cataloged under National Stock Number 5331-00-143-8485, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Cummins Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5331-00-143-8485
Primary Part Number
131026
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
Cummins Inc.
Status
ACTIVE
Cross-Sectional Height
0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Diameter
0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
Material
RUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5998-00-539-1100131026POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)Lockheed Martin Corp Electronics and Missiles Div
2540-01-242-4866131026HN303POSSIBLE MATCH
SEAT,VEHICULAR
Possible match (shared part number)Seats Inc Div Seats Incorporated
5330-01-284-97431310-26POSSIBLE MATCH
GASKET
Possible match (shared part number)Bae Systems Information and Electronic Systems Integration Inc.
NSN 5331-00-143-8485 is a O-Ring, manufactured by Cummins Inc., classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-00-143-8485?
NSN 5331-00-143-8485 has 3 manufacturer part numbers on file: 131026 (Cummins Ltd), 131026 (Cummins Inc.), 330030457 (S.d.m.o. Industries).
What NSN replaces 5331-00-143-8485?
6 possible matches (shared part number, not a government interchangeability claim): 5998-00-539-1100, 2540-01-242-4866, 5330-01-284-9743. Verify interchangeability with system specifications before substitution.
What are the specifications of 131026?
Key specifications for 131026: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5331-00-143-8485 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.