The O-Ring, cataloged under National Stock Number 5331-01-242-9231, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Termomeccanica Pompe S.p.a.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Termomeccanica Pompe S.p.a. (CAGE A2683) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-242-9231 |
| Primary Part Number | 0053010049 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Termomeccanica Pompe S.p.a. |
| 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 |
|---|---|
| 0053010049 | Termomeccanica Pompe S.p.a. (ITA) |
| Reference | Meaning |
|---|---|
| 00530.10049 | 5/9 Secondary reference Termomeccanica Pompe S.p.a. |
| 13228E1260-41 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-242-9231 is a O-Ring, manufactured by Termomeccanica Pompe S.p.a., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-242-9231 has 1 manufacturer part number on file: 0053010049 (Termomeccanica Pompe S.p.a.).
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.