The Bolt,machine, cataloged under National Stock Number 5306-01-278-1691, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is National Oilwell Varco Inc Dba National Oilwell. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Bolt,machine |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | National Oilwell Varco Inc Dba National Oilwell (CAGE 52142); Kampi Components Co Inc (CAGE 7Z016); Huber J M Corp (CAGE 1DT79) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-278-1691 |
| Primary Part Number | 52405220 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| 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) |
| Part Number | Manufacturer |
|---|---|
| 52405220 PRIMARY | National Oilwell Varco Inc Dba National Oilwell (USA) |
| 52405220 | Kampi Components Co Inc (USA) |
| 3240522 PRIMARY | Huber J M Corp (USA) |
| Reference | Meaning |
|---|---|
| 3240522 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 3240522 | 5/9 Secondary reference Huber J M Corp Flow Control Div |
NSN 5306-01-278-1691 is a Bolt,machine, manufactured by National Oilwell Varco Inc Dba National Oilwell, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-278-1691 has 3 manufacturer part numbers on file: 52405220 (National Oilwell Varco Inc Dba National Oilwell), 52405220 (Kampi Components Co Inc), 3240522 (Huber J M Corp).
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.