The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-652-6346, 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 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-652-6346 |
| Primary Part Number | 8759261 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.328 INCHES NOMINAL IN |
| Fastener Length | 1.750 INCHES NOMINAL IN |
| Thread Length | 0.717 INCHES MINIMUM AND 0.722 INCHES MAXIMUM IN |
| Hardness Rating | 29.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Criticality Code Justification | AAWC |
| First Diameter From Head | 0.6185 INCHES MINIMUM AND 0.6235 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 1.562 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 1.750 INCHES NOMINAL IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.500 INCHES NOMINAL IN |
| Width Between Flats | 0.750 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.840 INCHES MINIMUM AND 0.845 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 3 |
| Surface Treatment | PHOSPHATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 1010 OR STEEL COMP 1015 OVERALL |
| Third Diameter From Head | 0.375 INCHES NOMINAL IN |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 8759261 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5306-00-652-6346 is a Bolt,externally Relieved Body, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-652-6346 has 1 manufacturer part number on file: 8759261 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8759261: Head Height: 0.328 INCHES NOMINAL IN; Fastener Length: 1.750 INCHES NOMINAL IN; Thread Length: 0.717 INCHES MINIMUM AND 0.722 INCHES MAXIMUM IN; Hardness Rating: 29.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL. 21 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.