The Bolt,machine, cataloged under National Stock Number 5306-01-445-9315, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-445-9315 |
| Primary Part Number | AS3237-14 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Extended Washer Thickness | 0.060 INCHES NOMINAL IN |
| Head Height | 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Fastener Length | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.438 INCHES NOMINAL IN |
| Thread Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.3125 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL 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 |
| Part Number | Manufacturer |
|---|---|
| AS3237-14 PRIMARY | Sae International Dba Sae International (USA) |
| AS3237-14 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| AS3237-14 | 5/9 Secondary reference U.S. Government activity |
| 5306PL1674441 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5306-01-445-9315 is a Bolt,machine, manufactured by Sae International Dba Sae International, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-445-9315 has 2 manufacturer part numbers on file: AS3237-14 (Sae International Dba Sae International), AS3237-14 (Rolls-Royce Corporation).
Key specifications for AS3237-14: Extended Washer Thickness: 0.060 INCHES NOMINAL IN; Head Height: 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN; Fastener Length: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN; Extended Washer Diameter: 0.438 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.