The O-Ring, cataloged under National Stock Number 5331-01-618-6635, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Msa International. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-618-6635 |
| Primary Part Number | 10091438 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Msa International |
| Status | ACTIVE |
| 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 |
|---|---|
| 10091438 PRIMARY | Msa International (USA) |
NSN 5331-01-618-6635 is a O-Ring, manufactured by Msa International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-618-6635 has 1 manufacturer part number on file: 10091438 (Msa International).
Key specifications for 10091438: Part Name Assigned by Controlling Agency: O-RING; End Item Identification: 5340015591725. 0 specifications are 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.