The Screw,shoulder, cataloged under National Stock Number 5305-00-901-3087, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Telemechanics Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-901-3087 |
| Primary Part Number | 131025 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Head Height | 0.072 INCHES NOMINAL IN |
| Fastener Length | 0.478 INCHES NOMINAL IN |
| Shoulder Length | 0.290 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.153 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.126 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | 1018 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.312 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 |
|---|---|
| 131025 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 131025 | 5/9 Secondary reference At and T Corp |
NSN 5305-00-901-3087 is a Screw,shoulder, manufactured by Telemechanics Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-901-3087 has 1 manufacturer part number on file: 131025 (Telemechanics Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-284-9742, 5306-01-484-9106. Verify interchangeability with system specifications before substitution.
Key specifications for 131025: Head Height: 0.072 INCHES NOMINAL IN; Fastener Length: 0.478 INCHES NOMINAL IN; Shoulder Length: 0.290 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.153 INCHES NOMINAL FIRST SHOULDER IN. 17 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.