The Bolt,u, cataloged under National Stock Number 5306-00-869-6549, 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 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-869-6549 |
| Primary Part Number | 10871251 |
| 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 | 4.188 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-P-16232 TY Z CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 2.500 INCHES MINIMUM IN |
| Hardness Rating | 229.0 BRINELL STANDARD MINIMUM AND 293.0 BRINELL STANDARD MAXIMUM OVERALL |
| Distance From Inside Center of Bend to Bolt End | 13.875 INCHES MINIMUM AND 13.937 INCHES MAXIMUM IN |
| Style Designator | ROUND BEND |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PHOSPHATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL COMP 1340 OR STEEL COMP 4042 OR STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNS |
| 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 |
|---|---|
| 10871251 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5306008696549 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5306-00-869-6549 is a Bolt,u, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-869-6549 has 1 manufacturer part number on file: 10871251 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10871251: Inside Distance Between Shanks: 4.188 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-P-16232 TY Z CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 2.500 INCHES MINIMUM IN; Hardness Rating: 229.0 BRINELL STANDARD MINIMUM AND 293.0 BRINELL STANDARD MAXIMUM OVERALL. 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.