The Screw,machine, cataloged under National Stock Number 5305-00-655-7351, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-655-7351 |
| Primary Part Number | A32B12 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Bsi Standards Limited |
| Status | ACTIVE |
| Head Height | 0.095 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN |
| Thread Pitch in Millimeters | 0.66 |
| Thread Length | 0.375 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 3.6 MILLIMETERS MM |
| Head Style | ROUND |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Minimum Tensile Strength | 50000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Thread Series Designator | BA |
| Head Diameter | 0.242 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | DTD904,FSCM K0831 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 5305-00-655-7351 is a Screw,machine, manufactured by Bsi Standards Limited, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-655-7351 has 2 manufacturer part numbers on file: A32B12 (Bsi Standards Limited), A32B12 (Martin-Baker Aircraft Company Limited).
Key specifications for A32B12: Head Height: 0.095 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN; Screw Surface Treatment: CADMIUM; Fastener Length: 0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN; Thread Pitch in Millimeters: 0.66. 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.