The O-Ring, cataloged under National Stock Number 5331-01-053-2907, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Borgwarner Pds (anderson), L.l.c.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-053-2907 |
| Primary Part Number | 1894643 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Borgwarner Pds (anderson), L.l.c. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 41SX399 | Oshkosh Defense Llc (USA) |
| 1894643 | Delphi Automotive Uk Ltd (GBR) |
| 1894643 PRIMARY | Borgwarner Pds (anderson), L.l.c. (USA) |
| A47258 | Cnh Industrial America Llc Dba Cnh America (USA) |
| Reference | Meaning |
|---|---|
| 5330010532907 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 41SX399 | 5/9 Secondary reference Oshkosh Corp |
| 1894643 | 3/9 Design control — primary reference General Motors Corp Delco Remy Div |
NSN 5331-01-053-2907 is a O-Ring, manufactured by Borgwarner Pds (anderson), L.l.c., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-053-2907 has 4 manufacturer part numbers on file: 41SX399 (Oshkosh Defense Llc), 1894643 (Delphi Automotive Uk Ltd), 1894643 (Borgwarner Pds (anderson), L.l.c.), A47258 (Cnh Industrial America Llc Dba Cnh America).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-053-7021. Verify interchangeability with system specifications before substitution.
Key specifications for 1894643: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.