The O-Ring Assortment, cataloged under National Stock Number 5331-01-680-3370, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Special Projects Operations, 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 Assortment |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Special Projects Operations, Inc (CAGE 7T7T1) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-680-3370 |
| Primary Part Number | SHIELD-ORT |
| Item Name | O-Ring Assortment |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Special Projects Operations, Inc |
| 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 |
|---|---|
| SHIELD-ORT PRIMARY | Special Projects Operations, Inc (USA) |
NSN 5331-01-680-3370 is a O-Ring Assortment, manufactured by Special Projects Operations, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-680-3370 has 1 manufacturer part number on file: SHIELD-ORT (Special Projects Operations, 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.