The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-587-4922, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-587-4922 |
| Primary Part Number | 460-160 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering |
| Status | ACTIVE |
| Width Across Flats | 0.094 INCHES NOMINAL IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.388 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.359 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 |
|---|---|
| 460-160 PRIMARY | Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering (USA) |
| 90585A228 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 460-160 | 3/9 Design control — primary reference Risk Industries Llc Dba Pines Technology Div Headquarters |
NSN 5305-01-587-4922 is a Screw,cap,socket Head, manufactured by Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-587-4922 has 2 manufacturer part numbers on file: 460-160 (Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering), 90585A228 (Mcmaster-Carr Supply Co).
Key specifications for 460-160: Width Across Flats: 0.094 INCHES NOMINAL IN; Fastener Length: 0.500 INCHES NOMINAL IN; Thread Length: 0.388 INCHES NOMINAL IN; Nominal Thread Diameter: 0.164 INCHES IN. 13 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.