The Screw,machine, cataloged under National Stock Number 5305-01-528-7288, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Boeing Defence Australia Ltd Div Defense, Space & Security. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-528-7288 |
| Primary Part Number | BACS12FA3K16 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Boeing Defence Australia Ltd Div Defense, Space & Security |
| Status | ACTIVE |
| Extended Washer Thickness | 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Head Height | 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN |
| Screw Surface Treatment | ALUMINUM |
| Fastener Length | 1.000 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 | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | ROUND EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Screw Material | TITANIUM ALLOY |
| 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 | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| 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 |
|---|---|
| BACS12FA3K16 | Boeing Defence Australia Ltd Div Defense, Space & Security (AUS) |
| BACS12FA3K16 | Boeing Defence Australia Ltd (AUS) |
| BACS12FA3K16 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| BACS12FA3K16 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-528-7288 is a Screw,machine, manufactured by Boeing Defence Australia Ltd Div Defense, Space & Security, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-528-7288 has 3 manufacturer part numbers on file: BACS12FA3K16 (Boeing Defence Australia Ltd Div Defense, Space & Security), BACS12FA3K16 (Boeing Defence Australia Ltd), BACS12FA3K16 (Huck International, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-669-6581. Verify interchangeability with system specifications before substitution.
Key specifications for BACS12FA3K16: Extended Washer Thickness: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Head Height: 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN; Screw Surface Treatment: ALUMINUM; Fastener Length: 1.000 INCHES NOMINAL IN. 15 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.