The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-640-8402, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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,internal Wrenching |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-640-8402 |
| Primary Part Number | 51T-5L1 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 51T-5L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 122-7064174 FN13-2L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 51T-5 | 5/1 Secondary reference Bunting Bearings Corp Delta Plant |
| 122-7064174 FN13-2 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 5306-01-640-8402 is a Bolt,internal Wrenching, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-640-8402 has 2 manufacturer part numbers on file: 51T-5L1 (Naval Inventory Control Point Mechanicsburg), 122-7064174 FN13-2L1 (Naval Inventory Control Point Mechanicsburg).
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.