The Bolt,u, cataloged under National Stock Number 5306-01-526-7948, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-526-7948 |
| Primary Part Number | 12512054-8 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Inside Distance Between Shanks | 2.000 INCHES NOMINAL IN |
| Distance From Inside Center of Bend to Bolt End | 2.875 INCHES NOMINAL IN |
| Style Designator | ROUND BEND |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | LEFT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 3503451000 | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc (USA) |
| 12512054-8 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12512054-8 | 5/9 Secondary reference Best Bolt & Nut Corp |
NSN 5306-01-526-7948 is a Bolt,u, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-526-7948 has 2 manufacturer part numbers on file: 3503451000 (Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc), 12512054-8 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12512054-8: Inside Distance Between Shanks: 2.000 INCHES NOMINAL IN; Distance From Inside Center of Bend to Bolt End: 2.875 INCHES NOMINAL IN; Style Designator: ROUND BEND; Nominal Thread Diameter: 0.250 INCHES IN. 9 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.