The Bolt,shoulder, cataloged under National Stock Number 5306-00-522-6953, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-522-6953 |
| Primary Part Number | 5226953 |
| 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 | 0.250 INCHES NOMINAL IN |
| Fastener Length | 8.000 INCHES NOMINAL IN |
| Shoulder Length | 0.125 INCHES NOMINAL SECOND SHOULDER IN |
| Shoulder Length | 1.938 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.620 INCHES MINIMUM AND 0.625 INCHES MAXIMUM SECOND SHOULDER IN |
| Shoulder Diameter | 0.870 INCHES MINIMUM AND 0.875 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.938 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FASTENER |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.875 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Minimum Yield Strength | 45000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 1.250 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 |
|---|---|
| 5226953 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| A226953 | 5/9 Secondary reference CAGE 00000 |
NSN 5306-00-522-6953 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 5306-00-522-6953 has 1 manufacturer part number on file: 5226953 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 5226953: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 8.000 INCHES NOMINAL IN; Shoulder Length: 0.125 INCHES NOMINAL SECOND SHOULDER IN; Shoulder Length: 1.938 INCHES NOMINAL FIRST SHOULDER 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.