The Screw,machine, cataloged under National Stock Number 5305-00-935-7598, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Bsi Standards Limited. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-935-7598 |
| Primary Part Number | A113-3C |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Bsi Standards Limited |
| Status | ACTIVE |
| Head Height | 0.088 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Screw Material Document and Classification | S94,S95,S114,S116,S117 FSCM 05901 MFR REF SINGLE MATERIAL RESPONSE |
| Thread Length | 0.357 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.364 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | D.T.D.904 FSCM 05901 MFR REF SINGLE TREATMENT RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-00-935-7598 is a Screw,machine, manufactured by Bsi Standards Limited, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-935-7598 has 2 manufacturer part numbers on file: A113-3C (Martin-Baker Aircraft Company Limited), A113-3C (Bsi Standards Limited).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-072-7294. Verify interchangeability with system specifications before substitution.
Key specifications for A113-3C: Head Height: 0.088 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN; Fastener Length: 0.750 INCHES NOMINAL IN; Screw Material Document and Classification: S94,S95,S114,S116,S117 FSCM 05901 MFR REF SINGLE MATERIAL RESPONSE; Thread Length: 0.357 INCHES MINIMUM AND 0.427 INCHES MAXIMUM 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.