The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-551-6089, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is National Oilwell Varco Inc Dba National Oilwell. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | National Oilwell Varco Inc Dba National Oilwell (CAGE 52142); Geiger Pump and Equipment Company Dba Geiger Pump & Equipment Co (CAGE 1EN91) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-551-6089 |
| Primary Part Number | 6140052040 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | National Oilwell Varco Inc Dba National Oilwell |
| 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 |
|---|---|
| 6140052040 | National Oilwell Varco Inc Dba National Oilwell (USA) |
| 6140052040 | Geiger Pump and Equipment Company Dba Geiger Pump & Equipment Co (USA) |
| Reference | Meaning |
|---|---|
| 6140052050 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-551-6089 is a Nut,plain,hexagon, manufactured by National Oilwell Varco Inc Dba National Oilwell, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-551-6089 has 2 manufacturer part numbers on file: 6140052040 (National Oilwell Varco Inc Dba National Oilwell), 6140052040 (Geiger Pump and Equipment Company Dba Geiger Pump & Equipment 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.