The Screw,shoulder, cataloged under National Stock Number 5305-01-045-5830, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Penn Metal Fabricators Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-045-5830 |
| Primary Part Number | 5-13-2575P1 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Penn Metal Fabricators Inc |
| Status | ACTIVE |
| Head Height | 0.312 INCHES NOMINAL IN |
| Fastener Length | 0.813 INCHES NOMINAL IN |
| Shoulder Length | 0.188 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.500 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.594 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | KNURLED NO. 2 |
| Nonstandard Thread Pitch Diameter | +0.2806 TO 0.2843 INCHES IN |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 1.000 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 |
|---|---|
| 5-13-2575P1 PRIMARY | Penn Metal Fabricators Inc (USA) |
| Reference | Meaning |
|---|---|
| 5-13-2575P1 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-045-5830 is a Screw,shoulder, manufactured by Penn Metal Fabricators Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-045-5830 has 1 manufacturer part number on file: 5-13-2575P1 (Penn Metal Fabricators Inc).
Key specifications for 5-13-2575P1: Head Height: 0.312 INCHES NOMINAL IN; Fastener Length: 0.813 INCHES NOMINAL IN; Shoulder Length: 0.188 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.500 INCHES NOMINAL FIRST SHOULDER 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.