The Bolt,machine, cataloged under National Stock Number 5306-01-146-4077, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. 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 | 5306-01-146-4077 |
| Primary Part Number | 77720-14-48 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.469 INCHES NOMINAL IN |
| Fastener Length | 4.039 INCHES MINIMUM AND 4.059 INCHES MAXIMUM IN |
| Thread Length | 1.049 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM IN |
| Width Between Flats | 1.239 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 14 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| 77720-14-48 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
NSN 5306-01-146-4077 is a Bolt,machine, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-146-4077 has 1 manufacturer part number on file: 77720-14-48 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 77720-14-48: Head Height: 0.469 INCHES NOMINAL IN; Fastener Length: 4.039 INCHES MINIMUM AND 4.059 INCHES MAXIMUM IN; Thread Length: 1.049 INCHES NOMINAL IN; Nominal Thread Diameter: 0.875 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.