The Screw,machine, cataloged under National Stock Number 5305-00-810-4650, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 15 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 | 5305-00-810-4650 |
| Primary Part Number | SPS39960-4 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.312 INCHES NOMINAL IN |
| Screw Material | STEEL COMP 302 |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Hole Quantity | 6 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Hole Configuration Style | HEXAGON LONGITUDINAL HOLE |
| Hole Diameter | 0.043 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 |
|---|---|
| SPS39960-4 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 39960-4 | Sps Technologies, Llc Dba PB Fasteners (USA) |
NSN 5305-00-810-4650 is a Screw,machine, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-810-4650 has 2 manufacturer part numbers on file: SPS39960-4 (Sps Technologies, Llc Dba PB Fasteners), 39960-4 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for SPS39960-4: Head Height: 0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN; Fastener Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.250 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.164 INCHES IN. 15 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.