The Screw,shoulder, cataloged under National Stock Number 5305-01-567-9407, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Parts Associates, Inc. Dba P a I. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-567-9407 |
| Primary Part Number | PA58720 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Parts Associates, Inc. Dba P a I |
| Status | ACTIVE |
| Width Across Flats | 0.3750 INCHES NOMINAL IN |
| Fastener Length | 3.875 INCHES NOMINAL IN |
| Thread Length | 0.875 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.6250 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Color | BLACK THREADS |
| Surface Treatment | OXIDE THREADS |
| Minimum Tensile Strength | 140000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL FIRST SHOULDER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| PA58720 | Parts Associates, Inc. Dba P a I (USA) |
| Reference | Meaning |
|---|---|
| 58720 | 3/9 Design control — primary reference Parts Associates, Inc. Dba P a I |
NSN 5305-01-567-9407 is a Screw,shoulder, manufactured by Parts Associates, Inc. Dba P a I, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-567-9407 has 1 manufacturer part number on file: PA58720 (Parts Associates, Inc. Dba P a I).
Key specifications for PA58720: Width Across Flats: 0.3750 INCHES NOMINAL IN; Fastener Length: 3.875 INCHES NOMINAL IN; Thread Length: 0.875 INCHES NOMINAL IN; Nominal Thread Diameter: 0.6250 INCHES 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.