The Bolt,machine, cataloged under National Stock Number 5306-01-500-6451, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Gichner Systems Group, Inc. Div C5isr Division. Government technical data includes 11 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 | 5306-01-500-6451 |
| Primary Part Number | 1131001A |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Gichner Systems Group, Inc. Div C5isr Division |
| Status | ACTIVE |
| Head Height | 0.150 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Thread Length | 0.750 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.425 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 304 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 |
|---|---|
| 1131001A PRIMARY | Gichner Systems Group, Inc. Div C5isr Division (USA) |
NSN 5306-01-500-6451 is a Bolt,machine, manufactured by Gichner Systems Group, Inc. Div C5isr Division, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-500-6451 has 1 manufacturer part number on file: 1131001A (Gichner Systems Group, Inc. Div C5isr Division).
Key specifications for 1131001A: Head Height: 0.150 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Fastener Length: 0.750 INCHES NOMINAL IN; Thread Length: 0.750 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN. 11 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.