The Screw,machine, cataloged under National Stock Number 5305-00-080-0183, 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 13 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-080-0183 |
| Primary Part Number | 3MA334CFA7 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 0.907 INCHES NOMINAL IN |
| 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 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE II |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNF |
| Head Diameter | 0.497 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 |
|---|---|
| 3MA334CFA7 | Howmet Global Fastening Systems Inc (USA) |
| 3MA334CFA7 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3MA334CFA7 | Reed and Prince Mfg Co (USA) |
| 3MA334CFA7 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 3MFR334CFA7 | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 5305-00-080-0183 is a Screw,machine, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-080-0183 has 4 manufacturer part numbers on file: 3MA334CFA7 (Howmet Global Fastening Systems Inc), 3MA334CFA7 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 3MA334CFA7 (Reed and Prince Mfg Co), 3MA334CFA7 (The Boeing Company Div Defense).
Key specifications for 3MA334CFA7: Fastener Length: 0.907 INCHES NOMINAL IN; Thread Length: 0.469 INCHES MINIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN; Head Style: FLAT COUNTERSUNK. 13 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.