The Bolt, cataloged under National Stock Number 5306-01-251-4673, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Main Machine Co., Inc. Div Main Machine & Tool Co.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Main Machine Co., Inc. Div Main Machine & Tool Co. (CAGE 05879) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-251-4673 |
| Primary Part Number | 845-4687649-E8.2 |
| Item Name | Bolt |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Main Machine Co., Inc. Div Main Machine & Tool Co. |
| 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 |
|---|---|
| 845-4687649-E8.2 | Main Machine Co., Inc. Div Main Machine & Tool Co. (USA) |
| Reference | Meaning |
|---|---|
| 845-4687649-E8.2 | 3/2 Design control — primary reference U.S. Government activity |
| E8.2 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-251-4673 is a Bolt, manufactured by Main Machine Co., Inc. Div Main Machine & Tool Co., classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-251-4673 has 1 manufacturer part number on file: 845-4687649-E8.2 (Main Machine Co., Inc. Div Main Machine & Tool Co.).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-706-5509. 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.