The Screw,machine, cataloged under National Stock Number 5305-01-072-9494, 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 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-072-9494 |
| Primary Part Number | 1-64UNC2AX1-4LG |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Allmetal Screw Products Corp |
| Status | ACTIVE |
| Head Height | 0.055 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Screw Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.073 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 303 |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 64 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.103 INCHES MINIMUM AND 0.118 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 |
|---|---|
| 164UNC2AX1-4SST18-8FILLISTER | Allmetal Screw Products Corp (USA) |
| 1-64UNC2AX1-4LG PRIMARY | Allmetal Screw Products Corp (USA) |
| Reference | Meaning |
|---|---|
| 1-64UNC2AX 1-4 | C/1 Advisory reference — outside the item-of-supply concept Allmetal Screw Products Corp |
| 3353AS345-16 | C/1 Advisory reference — outside the item-of-supply concept Lenox Instrument Co., Inc. |
NSN 5305-01-072-9494 is a Screw,machine, manufactured by Allmetal Screw Products Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-072-9494 has 2 manufacturer part numbers on file: 164UNC2AX1-4SST18-8FILLISTER (Allmetal Screw Products Corp), 1-64UNC2AX1-4LG (Allmetal Screw Products Corp).
Key specifications for 1-64UNC2AX1-4LG: Head Height: 0.055 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN; Fastener Length: 0.250 INCHES NOMINAL IN; Screw Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE; Thread Length: 0.250 INCHES NOMINAL 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.