The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-411-9077, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is G and B Fasteners West. Government technical data includes 11 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 | 5305-01-411-9077 |
| Primary Part Number | S235A163-28 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | G and B Fasteners West |
| Status | ACTIVE |
| Head Height | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Thread Length | 0.250 INCHES NOMINAL IN |
| First Diameter From Head | 0.090 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | OXIDE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM 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 |
|---|---|
| S235A163-28 | Telephonics Corp (USA) |
| S235A163-28 PRIMARY | G and B Fasteners West (USA) |
NSN 5305-01-411-9077 is a Screw,externally Relieved Body, manufactured by G and B Fasteners West, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-411-9077 has 2 manufacturer part numbers on file: S235A163-28 (Telephonics Corp), S235A163-28 (G and B Fasteners West).
Key specifications for S235A163-28: Head Height: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN; Thread Length: 0.250 INCHES NOMINAL IN; First Diameter From Head: 0.090 INCHES NOMINAL IN; Nominal Thread Diameter: 0.138 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.