The Screw,machine, cataloged under National Stock Number 5305-01-604-3863, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Allmetal Screw Products Corp. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-604-3863 |
| Primary Part Number | A1BMD5225G |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Allmetal Screw Products Corp |
| Status | ACTIVE |
| Head Height | 0.034 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Head Style | DEE |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Quantity Per Inch | 64 |
| Thread Series Designator | UNF |
| Head Diameter | 0.147 INCHES MINIMUM AND 0.172 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 |
|---|---|
| A1BMD5225G PRIMARY | Allmetal Screw Products Corp (USA) |
| Reference | Meaning |
|---|---|
| 13230E6673-8 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5305-01-604-3863 is a Screw,machine, manufactured by Allmetal Screw Products Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-604-3863 has 1 manufacturer part number on file: A1BMD5225G (Allmetal Screw Products Corp).
Key specifications for A1BMD5225G: Head Height: 0.034 INCHES NOMINAL IN; Nominal Thread Diameter: 0.086 INCHES IN; Head Style: DEE; Thread Direction: RIGHT-HAND. 9 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.