The Screw,machine, cataloged under National Stock Number 5305-01-494-1492, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Company. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-494-1492 |
| Primary Part Number | 94518A520 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mcmaster-Carr Supply Company |
| Status | ACTIVE |
| Head Height | 0.161 INCHES NOMINAL IN |
| Screw Surface Treatment | ZINC |
| Fastener Length | 1.130 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Minimum Tensile Strength | 60000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE III |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNRC |
| Head Diameter | 0.480 INCHES MINIMUM AND 0.531 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 |
|---|---|
| 94518A520 | Mcmaster-Carr Supply Company (USA) |
| 9454100 ITEM 165 | Hdt Expeditionary Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 9454100 ITEM 165 | 3/2 Design control — primary reference U.S. Government activity |
| 9454100 ITEM 165 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-494-1492 is a Screw,machine, manufactured by Mcmaster-Carr Supply Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-494-1492 has 2 manufacturer part numbers on file: 94518A520 (Mcmaster-Carr Supply Company), 9454100 ITEM 165 (Hdt Expeditionary Systems, Inc.).
Key specifications for 94518A520: Head Height: 0.161 INCHES NOMINAL IN; Screw Surface Treatment: ZINC; Fastener Length: 1.130 INCHES NOMINAL IN; Thread Length: 1.000 INCHES NOMINAL IN. 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.