The O-Ring, cataloged under National Stock Number 5331-01-181-0591, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Lovejoy, Llc Div Lovejoy. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Lovejoy, Llc Div Lovejoy (CAGE 75665) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-181-0591 |
| Primary Part Number | 69790400143 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Lovejoy, Llc Div Lovejoy |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 69790400143 PRIMARY | Lovejoy, Llc Div Lovejoy (USA) |
| Reference | Meaning |
|---|---|
| 21-050-10 | 5/9 Secondary reference Woods T B Inc |
NSN 5331-01-181-0591 is a O-Ring, manufactured by Lovejoy, Llc Div Lovejoy, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-181-0591 has 1 manufacturer part number on file: 69790400143 (Lovejoy, Llc Div Lovejoy).
1 possible match (shared part number, not a government interchangeability claim): 3120-01-217-3010. Verify interchangeability with system specifications before substitution.
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.