The O-Ring, cataloged under National Stock Number 5331-01-657-5295, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Diequa Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-657-5295 |
| Primary Part Number | 8OR160X2.5 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Diequa Corp |
| Status | ACTIVE |
| Material | RUBBER |
| 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 |
|---|---|
| 8OR160X2.5 PRIMARY | Diequa Corp (USA) |
| Reference | Meaning |
|---|---|
| 1S302.021936 REV. POS.077 | 5/1 Secondary reference Diequa Corp |
NSN 5331-01-657-5295 is a O-Ring, manufactured by Diequa Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-657-5295 has 1 manufacturer part number on file: 8OR160X2.5 (Diequa Corp).
Key specifications for 8OR160X2.5: Special Features: TANDLER297 KORNSTRABE 28201 BREMEN GERMANY; Part Name Assigned by Controlling Agency: O RING; End Item Identification: PSK2ASBC20; Material: RUBBER. 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.