The O-Ring, cataloged under National Stock Number 5331-01-207-9379, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Twc-Thevalve Company. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-207-9379 |
| Primary Part Number | 803-4384536-7XX-29 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Twc-Thevalve Company |
| Status | ACTIVE |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| 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 |
|---|---|
| 803-4384536-7XX-29 | Twc-Thevalve Company (USA) |
| Reference | Meaning |
|---|---|
| 803-4384536-7XX-29 | 3/2 Design control — primary reference U.S. Government activity |
| 803-4384536-7XX-29 | 5/9 Secondary reference The Walworth Company |
NSN 5331-01-207-9379 is a O-Ring, manufactured by Twc-Thevalve Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-207-9379 has 1 manufacturer part number on file: 803-4384536-7XX-29 (Twc-Thevalve Company).
Key specifications for 803-4384536-7XX-29: Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM. 1 specification is 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.