The Screw,machine, cataloged under National Stock Number 5305-01-187-7944, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-187-7944 |
| Primary Part Number | 7687-15904-001 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 0.640 INCHES NOMINAL IN |
| Thread Length | 0.610 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNF |
| Head Diameter | 1.135 INCHES MINIMUM AND 1.145 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 |
|---|---|
| 7687-15904-001 PRIMARY | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| ABS20766F1 | 7/2 Vendor item drawing reference Pattonair Usa Inc Dba Incora Div Uniseal Division |
| 7687-15904-001 | 5/9 Secondary reference Hughes Missile Systems Co San Diego |
NSN 5305-01-187-7944 is a Screw,machine, manufactured by Raytheon Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-187-7944 has 1 manufacturer part number on file: 7687-15904-001 (Raytheon Company).
Key specifications for 7687-15904-001: Screw Surface Treatment: CADMIUM; Fastener Length: 0.640 INCHES NOMINAL IN; Thread Length: 0.610 INCHES NOMINAL IN; Nominal Thread Diameter: 0.375 INCHES IN. 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.