The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-937-2295, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-937-2295 |
| Primary Part Number | 11642059 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Extended Washer Thickness | 0.140 INCHES NOMINAL IN |
| Head Height | 0.530 INCHES NOMINAL IN |
| Fastener Length | 2.650 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-P-16232 TYPE M,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.875 INCHES NOMINAL IN |
| Thread Length | 0.890 INCHES MINIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| First Diameter From Head | 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Features Provided | CASEHARDENED |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 1.760 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PHOSPHATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 8640 OR STEEL COMP 8637 OR STEEL COMP 4140 OVERALL |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 11642059 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5306009372295 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5306-00-937-2295 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 5306-00-937-2295 has 1 manufacturer part number on file: 11642059 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11642059: Extended Washer Thickness: 0.140 INCHES NOMINAL IN; Head Height: 0.530 INCHES NOMINAL IN; Fastener Length: 2.650 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-P-16232 TYPE M,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE 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.