The Screw,machine, cataloged under National Stock Number 5305-01-253-0401, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-253-0401 |
| Primary Part Number | 724-039-406 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| Status | ACTIVE |
| Head Height | 0.069 INCHES NOMINAL IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.444 INCHES NOMINAL IN |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Features Provided | O RING |
| Head Style | WATERTIGHT |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.220 INCHES NOMINAL 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 |
|---|---|
| 724-039-406 PRIMARY | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA) |
| Reference | Meaning |
|---|---|
| 724-039-406 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division |
NSN 5305-01-253-0401 is a Screw,machine, manufactured by Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-253-0401 has 1 manufacturer part number on file: 724-039-406 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations).
Key specifications for 724-039-406: Head Height: 0.069 INCHES NOMINAL IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.444 INCHES NOMINAL IN; Thread Length: 0.375 INCHES NOMINAL 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.