The O-Ring, cataloged under National Stock Number 5331-00-018-7483, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-018-7483 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | CANCELLED |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.875 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 5330000187483 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| RNG146 | 5/9 Secondary reference Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
| 13211E8394 | 5/9 Secondary reference U.S. Government activity |
| B4330-2430-29 | 5/9 Secondary reference Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
| 13211E8394-1 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 13211E8394-1 | 5/2 Secondary reference U.S. Government activity |
| 13211E8394-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5331-00-018-7483 is a O-Ring, classified under FSC 5331, O-ring. Status: cancelled.
2 possible matches (shared part number, not a government interchangeability claim): 5331-00-239-4922, 5331-00-450-0279. Verify interchangeability with system specifications before substitution.
Key specifications for 5331-00-018-7483: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 0.875 INCHES NOMINAL IN. 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.
NSN 5331-00-018-7483 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.