The Bolt,machine, cataloged under National Stock Number 5306-01-668-5374, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Wells Technology, Inc.. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5306-01-668-5374 |
| Primary Part Number | 12542768 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Wells Technology, Inc. |
| Status | ACTIVE |
| Extended Washer Thickness | 0.265 INCHES NOMINAL IN |
| Head Height | 0.625 INCHES MAXIMUM IN |
| Fastener Length | 1.650 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN |
| Thread Length | 0.655 INCHES MAXIMUM IN |
| Material Document and Classification | ISO 898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.630 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.618 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNRF |
| 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 |
|---|---|
| 12542768 PRIMARY | Wells Technology, Inc. (USA) |
| 10823-16656 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
| 12542768 | Bee Industries (USA) |
| Reference | Meaning |
|---|---|
| 12542768 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5306-01-668-5374 is a Bolt,machine, manufactured by Wells Technology, Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-668-5374 has 3 manufacturer part numbers on file: 12542768 (Wells Technology, Inc.), 10823-16656 (Fastenal Company Dba Fastenal Co), 12542768 (Bee Industries).
Key specifications for 12542768: Extended Washer Thickness: 0.265 INCHES NOMINAL IN; Head Height: 0.625 INCHES MAXIMUM IN; Fastener Length: 1.650 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN; Extended Washer Diameter: 0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN. 14 specifications are documented in the U.S. Government catalog.
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.