The Screw,machine, cataloged under National Stock Number 5305-01-170-8469, 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 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-170-8469 |
| Primary Part Number | A204Z14 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Bsi Standards Limited |
| Status | ACTIVE |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Screw Material Document and Classification | BRITISH STANDARD A103 FSCM K7766 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.338 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Minimum Tensile Strength | 25000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 64 |
| Thread Series Designator | UNF |
| Head Diameter | 0.148 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | BRITISH SPECIFICATION D.T.D.904 FSCM K7766 NATIONAL SPEC 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 5305-01-170-8469 is a Screw,machine, manufactured by Bsi Standards Limited, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-170-8469 has 3 manufacturer part numbers on file: A204Z14 (Bae Systems (operations) Limited), A204Z14 (Bsi Standards Limited), A204Z14 (Bae Systems (operations) Ltd, Military Aircraft Division, Repair Stores).
Key specifications for A204Z14: Screw Surface Treatment: CADMIUM; Fastener Length: 0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Screw Material Document and Classification: BRITISH STANDARD A103 FSCM K7766 NATIONAL SPEC SINGLE MATERIAL RESPONSE; Thread Length: 0.338 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN. 16 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.