The Screw,shoulder, cataloged under National Stock Number 5305-00-059-7520, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-059-7520 |
| Primary Part Number | 16-1058-39 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics |
| Status | ACTIVE |
| Head Height | 0.094 INCHES NOMINAL IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Shoulder Length | 0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Length | 0.210 INCHES MINIMUM AND 0.219 INCHES MAXIMUM SECOND SHOULDER IN |
| Shoulder Diameter | 0.153 INCHES MINIMUM AND 0.155 INCHES MAXIMUM SECOND SHOULDER IN |
| Shoulder Diameter | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.235 INCHES MINIMUM IN |
| Shoulder Shape | ROUND SECOND SHOULDER |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303SE OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.375 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 |
|---|---|
| 16-1058-39 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics (USA) |
| Reference | Meaning |
|---|---|
| 16-1058-39 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-00-059-7520 is a Screw,shoulder, manufactured by Parker-Hannifin Corporation Dba Pneutronics, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-059-7520 has 1 manufacturer part number on file: 16-1058-39 (Parker-Hannifin Corporation Dba Pneutronics).
Key specifications for 16-1058-39: Head Height: 0.094 INCHES NOMINAL IN; Fastener Length: 0.500 INCHES NOMINAL IN; Shoulder Length: 0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Length: 0.210 INCHES MINIMUM AND 0.219 INCHES MAXIMUM SECOND SHOULDER IN. 19 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.