The Screw,machine, cataloged under National Stock Number 5305-01-590-4113, 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 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-590-4113 |
| Primary Part Number | BACS12FA3K8GR |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Boeing Defence Australia Ltd |
| Status | ACTIVE |
| Extended Washer Thickness | 0.025 INCHES NOMINAL IN |
| Head Height | 0.094 INCHES NOMINAL IN |
| Screw Surface Treatment | ALUMINUM |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Screw Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE |
| Extended Washer Diameter | 0.438 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FILLISTER EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Screw Material | TITANIUM ALLOY UNS R56400 |
| Color | GRAY/GREY |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.375 INCHES NOMINAL IN |
| Screw Surface Treatment Document and Classification | BMS10-85, TYPE 1, CLASS A 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 |
| Part Number | Manufacturer |
|---|---|
| BACS12FA3K8GR | Boeing Defence Australia Ltd (AUS) |
| Reference | Meaning |
|---|---|
| BACS12FA3K8GR | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-590-4113 is a Screw,machine, manufactured by Boeing Defence Australia Ltd, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-590-4113 has 1 manufacturer part number on file: BACS12FA3K8GR (Boeing Defence Australia Ltd).
Key specifications for BACS12FA3K8GR: Extended Washer Thickness: 0.025 INCHES NOMINAL IN; Head Height: 0.094 INCHES NOMINAL IN; Screw Surface Treatment: ALUMINUM; Fastener Length: 0.500 INCHES NOMINAL IN. 18 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.