The Bolt,shoulder, cataloged under National Stock Number 5306-01-173-3503, 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 18 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 | 5306-01-173-3503 |
| Primary Part Number | 7161045 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Head Height | 0.188 INCHES NOMINAL IN |
| Fastener Length | 1.312 INCHES NOMINAL IN |
| Shoulder Length | 0.645 INCHES MINIMUM AND 0.650 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | DOD-P-16232,TYZ CL1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.433 INCHES MINIMUM AND 0.435 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.562 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.562 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE ZINC OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 1070 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.688 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 |
|---|---|
| 7161045 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5306-01-173-3503 is a Bolt,shoulder, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-173-3503 has 1 manufacturer part number on file: 7161045 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 7161045: Head Height: 0.188 INCHES NOMINAL IN; Fastener Length: 1.312 INCHES NOMINAL IN; Shoulder Length: 0.645 INCHES MINIMUM AND 0.650 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: DOD-P-16232,TYZ CL1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.