The Bolt,machine, cataloged under National Stock Number 5306-00-724-0678, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Long-Lok, Llc. Government technical data includes 15 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 | 5306-00-724-0678 |
| Primary Part Number | LL90726-303 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Long-Lok, Llc |
| Status | ACTIVE |
| Head Height | 0.902 INCHES MINIMUM AND 0.974 INCHES MAXIMUM IN |
| Fastener Length | 1.625 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Thread Length | 1.750 INCHES MINIMUM AND 1.937 INCHES MAXIMUM IN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 1.500 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 2.175 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN |
| Locking Feature | STRIP THREADS |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| LL90726-303 PRIMARY | Long-Lok, Llc (USA) |
NSN 5306-00-724-0678 is a Bolt,machine, manufactured by Long-Lok, Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-724-0678 has 1 manufacturer part number on file: LL90726-303 (Long-Lok, Llc).
Key specifications for LL90726-303: Head Height: 0.902 INCHES MINIMUM AND 0.974 INCHES MAXIMUM IN; Fastener Length: 1.625 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN; Thread Length: 1.750 INCHES MINIMUM AND 1.937 INCHES MAXIMUM IN; Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL. 15 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.