The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-137-7773, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 14 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 | 5305-01-137-7773 |
| Primary Part Number | 720210-161 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Width Across Flats | 0.157 INCHES NOMINAL IN |
| Head Height | 0.127 INCHES NOMINAL IN |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Thread Length | 1.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.427 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 |
|---|---|
| 720210-161 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
| 720210-161 | Sps Technologies, Llc Dba PB Fasteners (USA) |
NSN 5305-01-137-7773 is a Screw,cap,socket Head, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-137-7773 has 2 manufacturer part numbers on file: 720210-161 (Raytheon Company Div Rmd Strategic), 720210-161 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 720210-161: Width Across Flats: 0.157 INCHES NOMINAL IN; Head Height: 0.127 INCHES NOMINAL IN; Fastener Length: 1.250 INCHES NOMINAL IN; Thread Length: 1.250 INCHES NOMINAL IN. 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.