The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-557-3083, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Bordson Martin Dba Badger Ordnance Div Martin Bordson Dba Badger Ordnance. Government technical data includes 6 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 | 5305-01-557-3083 |
| Primary Part Number | 306-05-15 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Bordson Martin Dba Badger Ordnance Div Martin Bordson Dba Badger Ordnance |
| Status | ACTIVE |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 306-05-15 PRIMARY | Bordson Martin Dba Badger Ordnance Div Martin Bordson Dba Badger Ordnance (USA) |
| 99004A1319 | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
NSN 5305-01-557-3083 is a Screw,cap,socket Head, manufactured by Bordson Martin Dba Badger Ordnance Div Martin Bordson Dba Badger Ordnance, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-557-3083 has 2 manufacturer part numbers on file: 306-05-15 (Bordson Martin Dba Badger Ordnance Div Martin Bordson Dba Badger Ordnance), 99004A1319 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service).
Key specifications for 306-05-15: Fastener Length: 1.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Thread Direction: RIGHT-HAND; Special Features: T-30 TORX HEAD;0.380DIAMETER;1.250INCH OVERALL LENGTH IN. 6 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.