The Screw,machine, cataloged under National Stock Number 5305-01-306-2532, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Perkins Engines Inc. 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. 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 | 5305-01-306-2532 |
| Primary Part Number | 2175132 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Perkins Engines Inc |
| Status | ACTIVE |
| Screw Surface Treatment | ZINC |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Thread Length | 0.726 INCHES MINIMUM AND 0.809 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | SLOT |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNF |
| Head Diameter | 0.568 INCHES MINIMUM AND 0.635 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 |
|---|---|
| 2175132 PRIMARY | Perkins Engines Inc (USA) |
NSN 5305-01-306-2532 is a Screw,machine, manufactured by Perkins Engines Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-306-2532 has 1 manufacturer part number on file: 2175132 (Perkins Engines Inc).
1 possible match (shared part number, not a government interchangeability claim): 2940-01-449-9006. Verify interchangeability with system specifications before substitution.
Key specifications for 2175132: Screw Surface Treatment: ZINC; Fastener Length: 1.000 INCHES NOMINAL IN; Thread Length: 0.726 INCHES MINIMUM AND 0.809 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.312 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.