The Bolt,hook, cataloged under National Stock Number 5306-01-577-3631, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Wells Technology, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Bolt,hook |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Wells Technology, Inc. (CAGE 0XB13) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-577-3631 |
| Primary Part Number | 42115 |
| Item Name | Bolt,hook |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Wells Technology, Inc. |
| 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 |
|---|---|
| 42115 PRIMARY | Wells Technology, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3819581 | 5/9 Secondary reference Oshkosh Corp |
| 3819581 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5306-01-577-3631 is a Bolt,hook, manufactured by Wells Technology, Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-577-3631 has 1 manufacturer part number on file: 42115 (Wells Technology, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2940-01-685-6292. Verify interchangeability with system specifications before substitution.
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.