The O-Ring, cataloged under National Stock Number 5331-01-284-7876, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-284-7876 |
| Primary Part Number | 5902873 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 5902873 | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5902873 | 5/9 Secondary reference U.S. Government activity |
| 5902873 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-284-7876 is a O-Ring, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-284-7876 has 1 manufacturer part number on file: 5902873 (Trelleborg Sealing Solutions Us, Inc.).
Key specifications for 5902873: Criticality Code Justification: FEAT; Special Features: PART IS ESSENTIAL TO WEAPON SYSTEM PERFORMANCE OR OPERATION,OR THE PRESERVATION OF LIFE OR SAFETY OF OPERATING PERSONNEL,AS DETERMINED BY THE DAF,B-1B SYSTEM PROGRAM OFFICE TECHNICAL CONTENT MANAGER.ACTION ID 45534967; Part Name Assigned by Controlling Agency: O-RING. 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.