The O-Ring, cataloged under National Stock Number 5331-00-753-1848, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Alfa Laval Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-753-1848 |
| Primary Part Number | 99137309 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Alfa Laval Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.218 INCHES NOMINAL 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 |
|---|---|
| 99137309 PRIMARY | Alfa Laval Inc (USA) |
| Reference | Meaning |
|---|---|
| 37309 | 5/9 Secondary reference Alfa Laval Inc |
| 648104 | 5/9 Secondary reference Alfa Laval Inc |
| 6421000 | 5/9 Secondary reference Alfa Laval Inc |
| 5331PL0648377 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5331-00-753-1848 is a O-Ring, manufactured by Alfa Laval Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-753-1848 has 1 manufacturer part number on file: 99137309 (Alfa Laval Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5935-00-999-9318, 1650-01-114-0862, 5330-01-471-0626. Verify interchangeability with system specifications before substitution.
Key specifications for 99137309: Cross-Sectional Height: 0.218 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 2 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.