The O-Ring, cataloged under National Stock Number 5331-01-641-2930, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Fluitron Inc.. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-641-2930 |
| Primary Part Number | 257 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Fluitron Inc. |
| 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 |
|---|---|
| 257 PRIMARY | Fluitron Inc. (USA) |
NSN 5331-01-641-2930 is a O-Ring, manufactured by Fluitron Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-641-2930 has 1 manufacturer part number on file: 257 (Fluitron Inc.).
Key specifications for 257: Special Features: 155 X 155 X 4 MM MM; 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.