The O-Ring, cataloged under National Stock Number 5331-01-697-5145, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Signal Engineering Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Signal Engineering Inc (CAGE 0EX24) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-697-5145 |
| Primary Part Number | 937-00250-0009 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Signal Engineering 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 |
|---|---|
| 937-00250-0009 PRIMARY | Signal Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| CM-937-00250-0009 | D/9 Drawing number reference only Signal Engineering Inc |
NSN 5331-01-697-5145 is a O-Ring, manufactured by Signal Engineering Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-697-5145 has 1 manufacturer part number on file: 937-00250-0009 (Signal Engineering 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.