The Bolt,machine, cataloged under National Stock Number 5306-00-366-8857, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Ambac International Corporation Div Ambac International. Government technical data includes 14 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 | 5306-00-366-8857 |
| Primary Part Number | SC7961 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Ambac International Corporation Div Ambac International |
| Status | ACTIVE |
| Head Height | 0.188 INCHES NOMINAL IN |
| Fastener Length | 0.844 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-633A FED SPEC SINGLE MATERIAL RESPONSE OVERALL A |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.344 INCHES NOMINAL IN |
| Width Between Flats | 0.438 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| 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 |
|---|---|
| SC7961 PRIMARY | Ambac International Corporation Div Ambac International (USA) |
NSN 5306-00-366-8857 is a Bolt,machine, manufactured by Ambac International Corporation Div Ambac International, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-366-8857 has 1 manufacturer part number on file: SC7961 (Ambac International Corporation Div Ambac International).
Key specifications for SC7961: Head Height: 0.188 INCHES NOMINAL IN; Fastener Length: 0.844 INCHES NOMINAL IN; Thread Length: 0.500 INCHES NOMINAL IN; Material Document and Classification: QQ-S-633A FED SPEC SINGLE MATERIAL RESPONSE OVERALL A. 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.