The Bolt,machine, cataloged under National Stock Number 5306-00-839-9729, 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 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-839-9729 |
| Primary Part Number | 10900334 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Extended Washer Thickness | 0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Head Height | 0.183 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Fastener Length | 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.500 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN |
| Thread Length | 0.625 INCHES MINIMUM IN |
| Hardness Rating | 27.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | DOUBLE HEXAGON LONGITUDINAL HOLE |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 1536 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1541 OR STEEL COMP 1043 OR STEEL COMP 1035 OR STEEL COMP 1040 OR STEEL COMP 1042 OR STEEL COMP 1045 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.062 INCHES NOMINAL 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 |
|---|---|
| 10900334 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5306008399729 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5306-00-839-9729 is a Bolt,machine, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-839-9729 has 1 manufacturer part number on file: 10900334 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10900334: Extended Washer Thickness: 0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN; Head Height: 0.183 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN; Fastener Length: 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN; Extended Washer Diameter: 0.500 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN. 19 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.