The Bolt,machine, cataloged under National Stock Number 5306-01-644-2328, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-644-2328 |
| Primary Part Number | 12414551-149 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 14.5 MILLIMETERS MINIMUM AND 15.9 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 120.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 2.0 |
| Thread Length | 54.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 24.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 35.0 MILLIMETERS MINIMUM AND 36.0 MILLIMETERS MAXIMUM MM |
| Material | STEEL OVERALL |
| Thread Series Designator | M |
| 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 |
|---|---|
| 12414551-149 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12414551-149 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 12414551 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5306-01-644-2328 is a Bolt,machine, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-644-2328 has 2 manufacturer part numbers on file: 12414551-149 (U S Army Tank Automotive Command Amsta-Im-Mm), 12414551-149 (Oshkosh Defense Llc).
Key specifications for 12414551-149: Head Height: 14.5 MILLIMETERS MINIMUM AND 15.9 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 120.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 2.0. 11 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.