The O-Ring, cataloged under National Stock Number 5331-01-371-3620, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Robar International Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Robar International Inc (CAGE 0MU19) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-371-3620 |
| Primary Part Number | 6-A252-SN991632 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Robar International 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 |
|---|---|
| 6-A252-SN991632 PRIMARY | Robar International Inc (USA) |
NSN 5331-01-371-3620 is a O-Ring, manufactured by Robar International Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-371-3620 has 1 manufacturer part number on file: 6-A252-SN991632 (Robar International Inc).
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.