The Bolt,machine, cataloged under National Stock Number 5306-00-271-2273, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-271-2273 |
| Primary Part Number | TP10679 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Extended Washer Thickness | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Head Height | 0.638 INCHES NOMINAL IN |
| Fastener Length | 2.755 INCHES MINIMUM AND 2.765 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN |
| Thread Length | 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Hardness Rating | 20.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | SQUARE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMIUM THREADS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| 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 |
NSN 5306-00-271-2273 is a Bolt,machine, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-271-2273 has 2 manufacturer part numbers on file: TP10679 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 79822PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for TP10679: Extended Washer Thickness: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN; Head Height: 0.638 INCHES NOMINAL IN; Fastener Length: 2.755 INCHES MINIMUM AND 2.765 INCHES MAXIMUM IN; Extended Washer Diameter: 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN. 17 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.