The Bolt,machine, cataloged under National Stock Number 5306-00-880-6550, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Gst Industries Inc.. Government technical data includes 18 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. 2 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 | 5306-00-880-6550 |
| Primary Part Number | 9569 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Gst Industries Inc. |
| Status | ACTIVE |
| Head Height | 0.090 INCHES NOMINAL IN |
| Fastener Length | 1.110 INCHES NOMINAL IN |
| Distance From Centerline to Flat | 0.125 INCHES NOMINAL IN |
| Thread Length | 0.350 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | MIL-S-5000 COND C2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DEE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.760 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 0.978 INCHES MINIMUM AND 0.983 INCHES MAXIMUM FIRST HOLE IN |
| Head Diameter | 0.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| 9569 PRIMARY | Gst Industries Inc. (USA) |
NSN 5306-00-880-6550 is a Bolt,machine, manufactured by Gst Industries Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-880-6550 has 1 manufacturer part number on file: 9569 (Gst Industries Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5996-00-940-8927, 5910-01-142-1230. Verify interchangeability with system specifications before substitution.
Key specifications for 9569: Head Height: 0.090 INCHES NOMINAL IN; Fastener Length: 1.110 INCHES NOMINAL IN; Distance From Centerline to Flat: 0.125 INCHES NOMINAL IN; Thread Length: 0.350 INCHES MINIMUM IN. 18 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.