The Screw,machine, cataloged under National Stock Number 5305-01-356-4649, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Boeing Defence Australia Ltd. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-356-4649 |
| Primary Part Number | NAS8203A6 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Boeing Defence Australia Ltd |
| Status | ACTIVE |
| Head Height | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Screw Surface Treatment | ALUMINUM |
| Fastener Length | 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.288 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | TITANIUM ALLOY UNS R56400 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | NAS4006 ASSN STD 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 5305-01-356-4649 is a Screw,machine, manufactured by Boeing Defence Australia Ltd, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-356-4649 has 2 manufacturer part numbers on file: NAS8203A6 (Boeing Defence Australia Ltd), NAS8203A6 (Boeing Defence Australia Ltd Div Defense, Space & Security).
Key specifications for NAS8203A6: Head Height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Screw Surface Treatment: ALUMINUM; Fastener Length: 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE. 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.