The Bolt,machine, cataloged under National Stock Number 5306-00-373-2935, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-373-2935 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Fastener Length | 2.160 INCHES MINIMUM AND 2.180 INCHES MAXIMUM IN |
| Thread Length | 0.360 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 7477 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.725 INCHES MINIMUM AND 1.800 INCHES MAXIMUM IN |
| Width Between Flats | 0.226 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.040 INCHES NOMINAL FIRST HOLE IN |
| Head Diameter | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 4022596 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 4022596 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 4022596 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5306-00-373-2935 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-373-2935: Head Height: 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Fastener Length: 2.160 INCHES MINIMUM AND 2.180 INCHES MAXIMUM IN; Thread Length: 0.360 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN; Shank Unthreaded Hole Diameter: 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN. 17 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.