The O-Ring, cataloged under National Stock Number 5331-01-397-5948, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-397-5948 |
| Primary Part Number | N998-6401-A-002 ITEM NO. 67 |
| 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) |
| Part Number | Manufacturer |
|---|---|
| N998-6401-A-002 ITEM NO. 67 | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 700-259-355C | 3/9 Design control — primary reference Carver Pump Company |
| 700-259-355 | C/1 Advisory reference — outside the item-of-supply concept Carver Pump Company |
NSN 5331-01-397-5948 is a O-Ring, manufactured by Carver Pump Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-397-5948 has 1 manufacturer part number on file: N998-6401-A-002 ITEM NO. 67 (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.