The Screw,machine, cataloged under National Stock Number 5305-00-080-9239, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-080-9239 |
| Primary Part Number | 3MA584-12 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 1.219 INCHES NOMINAL IN |
| Screw Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.469 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 4130 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNF |
| Head Diameter | 0.502 INCHES MINIMUM AND 0.507 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 |
|---|---|
| 3MA584-12 | Hi-Shear Corporation (USA) |
| 3MA584-12 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3MA584-12 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 3MA584-12 | 5/2 Secondary reference U.S. Government activity |
| 3MA584-12 | 5/2 Secondary reference U.S. Government activity |
| 3MFRA584-12 | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 5305-00-080-9239 is a Screw,machine, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-080-9239 has 3 manufacturer part numbers on file: 3MA584-12 (Hi-Shear Corporation), 3MA584-12 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 3MA584-12 (The Boeing Company Div Defense).
Key specifications for 3MA584-12: Fastener Length: 1.219 INCHES NOMINAL IN; Screw Material Document and Classification: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE; Thread Length: 0.469 INCHES MINIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN. 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.