The Bolt,machine, cataloged under National Stock Number 5306-00-281-5591, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Dresser, Llc. Government technical data includes 13 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-281-5591 |
| Primary Part Number | 26058 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| Head Height | 0.234 INCHES NOMINAL IN |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Thread Length | 0.875 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 26058 PRIMARY | Dresser, Llc (USA) |
NSN 5306-00-281-5591 is a Bolt,machine, manufactured by Dresser, Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-281-5591 has 1 manufacturer part number on file: 26058 (Dresser, Llc).
3 possible matches (shared part number, not a government interchangeability claim): 2915-00-336-3576, 4730-01-176-0577, 5120-01-656-4212. Verify interchangeability with system specifications before substitution.
Key specifications for 26058: Head Height: 0.234 INCHES NOMINAL IN; Fastener Length: 1.500 INCHES NOMINAL IN; Thread Length: 0.875 INCHES MINIMUM IN; Nominal Thread Diameter: 0.312 INCHES IN. 13 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.