The Screw,machine, cataloged under National Stock Number 5305-01-223-9481, 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 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-223-9481 |
| Primary Part Number | 19965-1 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Allmetal Screw Products Corp |
| Status | ACTIVE |
| Head Height | 0.139 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN |
| Screw Surface Treatment | ZINC AND CHROMATE |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.417 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.216 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.407 INCHES MINIMUM AND 0.425 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | ASTM B 633-78 TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| 19965-1 | Allmetal Screw Products Corp (USA) |
| Reference | Meaning |
|---|---|
| 254-19965-1 | 5/9 Secondary reference Kurz & Root Generator Company, Llc |
| 19965-1 | 3/9 Design control — primary reference National Screw Products Co Inc |
| 19965-1 | 7/2 Vendor item drawing reference Kurz & Root Generator Company, Llc |
NSN 5305-01-223-9481 is a Screw,machine, manufactured by Allmetal Screw Products Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-223-9481 has 1 manufacturer part number on file: 19965-1 (Allmetal Screw Products Corp).
1 possible match (shared part number, not a government interchangeability claim): 1560-01-417-1394. Verify interchangeability with system specifications before substitution.
Key specifications for 19965-1: Head Height: 0.139 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN; Screw Surface Treatment: ZINC AND CHROMATE; Fastener Length: 0.500 INCHES NOMINAL IN; Thread Length: 0.417 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. 14 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.