The O-Ring, cataloged under National Stock Number 5331-01-444-0271, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Carver Pump Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Carver Pump Company (CAGE 10941) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-444-0271 |
| Primary Part Number | 700-904-433 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Carver Pump Company |
| 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 |
|---|---|
| 700-904-433 PRIMARY | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 999-1110-D-01-89D | D/9 Drawing number reference only Carver Pump Company |
| 999-4213-F-07 ITEM 89F | 5/9 Secondary reference Carver Pump Company |
| 700-904-433C | 5/9 Secondary reference Carver Pump Company |
| 999-4213-B-05-89F | 5/9 Secondary reference Carver Pump Company |
| 999-4213-B-05 ITEM 89F | 5/9 Secondary reference Carver Pump Company |
| 999-1110-D-01 ITEM 89D | D/9 Drawing number reference only Carver Pump Company |
NSN 5331-01-444-0271 is a O-Ring, manufactured by Carver Pump Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-444-0271 has 1 manufacturer part number on file: 700-904-433 (Carver Pump Company).
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.