The Bolt,machine, cataloged under National Stock Number 5306-01-622-5239, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-622-5239 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Head Height | 0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Fastener Length | 2.208 INCHES MINIMUM AND 2.228 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | BMS10-85, TYPE 1, CLASS A MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| Thread Length | 0.593 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM ALL HOLES IN |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5962 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.625 INCHES NOMINAL IN |
| Width Between Flats | 0.418 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| BACB30US5K26D | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-622-5239 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-622-5239: Extended Washer Thickness: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Head Height: 0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN; Fastener Length: 2.208 INCHES MINIMUM AND 2.228 INCHES MAXIMUM IN; Surface Treatment Document and Classification: BMS10-85, TYPE 1, CLASS A MFR REF 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.