The Screw,machine, cataloged under National Stock Number 5305-01-571-7192, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-571-7192 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.327 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 1.953 INCHES NOMINAL IN |
| Screw Material Document and Classification | AMS5731 OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.828 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-MS27039 REV F DTD NOV 1995 SUPERSEDED BY NASM 27039 REV 2 NOV 2007 NATIONAL STD/SPEC |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNF |
| Head Diameter | 0.958 INCHES MINIMUM AND 0.987 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | AMS 2700 METHOD 1 TYPE 2 OR 8 CLASS 1 TEST METHOD 102 ASSN STD SINGLE TREATMENT RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NASM27039 | 5/1 Secondary reference U.S. Government activity |
| MS27039C0830 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-571-7192 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5305-01-670-9935, 5305-01-670-9946, 5305-01-670-9949. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-01-571-7192: Head Height: 0.327 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 1.953 INCHES NOMINAL IN; Screw Material Document and Classification: AMS5731 OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE. 16 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.
NSN 5305-01-571-7192 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.