The O-Ring, cataloged under National Stock Number 5331-01-268-5810, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Arva Industries Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Arva Industries Inc (CAGE 38999) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-268-5810 |
| Primary Part Number | P-000387 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Arva Industries Inc |
| 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 |
|---|---|
| P-000387 | Arva Industries Inc (CAN) |
| Reference | Meaning |
|---|---|
| 207486 | 5/9 Secondary reference U.S. Government activity |
| 24194 | 3/9 Design control — primary reference Paccar Winch Inc Dba Paccar Winch Division |
| 235117 | 5/9 Secondary reference Allied Systems Company Dba Allied Systems Co |
NSN 5331-01-268-5810 is a O-Ring, manufactured by Arva Industries Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-268-5810 has 1 manufacturer part number on file: P-000387 (Arva Industries Inc).
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-469-1336, 5915-01-506-3910, 4720-01-529-5825. 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.