The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-077-4461, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Am General Llc. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-077-4461 |
| Primary Part Number | 5714128 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Am General Llc |
| Status | ACTIVE |
| Head Height | 0.380 INCHES NOMINAL IN |
| Fastener Length | 6.500 INCHES NOMINAL IN |
| Concentric Hole Depth | 3.250 INCHES NOMINAL IN |
| Thread Length | 1.250 INCHES NOMINAL IN |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.188 INCHES NOMINAL FIRST HOLE IN |
| Shank Unthreaded Hole Diameter | 0.218 INCHES NOMINAL SECOND HOLE IN |
| Style Designator | CONCENTRIC HOLE UNTHREADED |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.590 INCHES NOMINAL IN |
| Concentric Hole Diameter | 0.188 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL COMP 4135 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.750 INCHES NOMINAL FIRST HOLE IN |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 6.250 INCHES NOMINAL SECOND HOLE IN |
| 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 |
|---|---|
| 5714128 PRIMARY | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| MB25-20000 | 5/9 Secondary reference Am General Llc |
| ARL5714128 | 5/9 Secondary reference Castro Industries Inc |
NSN 5306-01-077-4461 is a Bolt,internally Relieved Body, manufactured by Am General Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-077-4461 has 1 manufacturer part number on file: 5714128 (Am General Llc).
Key specifications for 5714128: Head Height: 0.380 INCHES NOMINAL IN; Fastener Length: 6.500 INCHES NOMINAL IN; Concentric Hole Depth: 3.250 INCHES NOMINAL IN; Thread Length: 1.250 INCHES NOMINAL IN. 20 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.