The O-Ring, cataloged under National Stock Number 5331-01-647-1403, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Minnesota Rubber Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Minnesota Rubber Co (CAGE 07322) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-647-1403 |
| Primary Part Number | Q4257-523EU |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Minnesota Rubber Co |
| 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 |
|---|---|
| Q4257-523EU | Minnesota Rubber Co (USA) |
| Reference | Meaning |
|---|---|
| X000993-852 | 7/1 Vendor item drawing reference Minnesota Rubber Co |
| 000993-852-1 | 3/2 Design control — primary reference U.S. Government activity |
| Q4257 | 5/9 Secondary reference Minnesota Rubber Co |
NSN 5331-01-647-1403 is a O-Ring, manufactured by Minnesota Rubber Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-647-1403 has 1 manufacturer part number on file: Q4257-523EU (Minnesota Rubber Co).
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.