The Screw,machine, cataloged under National Stock Number 5305-00-042-6789, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-042-6789 |
| Primary Part Number | 426789 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| Status | ACTIVE |
| Head Height | 0.118 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Screw Surface Treatment | TIN |
| Fastener Length | 0.312 INCHES NOMINAL IN |
| Screw Material Document and Classification | QQ-B-611-CANC FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.312 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Nondefinitive Spec/std Data | 4S STYLE AND 1 TYPE |
| Screw Material | COPPER ALLOY |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNF |
| Head Diameter | 0.292 INCHES MINIMUM AND 0.313 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 |
|---|---|
| 426789 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| Reference | Meaning |
|---|---|
| FFS92TYPE1STYLE4S | 4/1 Identification reference U.S. Government activity |
NSN 5305-00-042-6789 is a Screw,machine, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-042-6789 has 1 manufacturer part number on file: 426789 (Army Weapons Command Attn Amswe-Ree-S).
Key specifications for 426789: Head Height: 0.118 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Screw Surface Treatment: TIN; Fastener Length: 0.312 INCHES NOMINAL IN; Screw Material Document and Classification: QQ-B-611-CANC FED SPEC SINGLE MATERIAL RESPONSE. 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.