The Bolt,machine, cataloged under National Stock Number 5306-01-271-8038, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 14 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 | 5306-01-271-8038 |
| Primary Part Number | 5238607 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Head Height | 0.750 INCHES NOMINAL IN |
| Fastener Length | 3.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | DOD-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.250 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.312 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE MANGANESE OR PHOSPHATE ZINC OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 8 |
| Material | STEEL COMP 1118 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 5238607 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5306-01-271-8038 is a Bolt,machine, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-271-8038 has 1 manufacturer part number on file: 5238607 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 5238607: Head Height: 0.750 INCHES NOMINAL IN; Fastener Length: 3.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: DOD-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.250 INCHES NOMINAL IN. 14 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.