The Screw,shoulder, cataloged under National Stock Number 5305-01-258-8495, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Drs C3 & Aviation Company Dba Drs Data & Imaging Systems. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-258-8495 |
| Primary Part Number | 601780-01 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Drs C3 & Aviation Company Dba Drs Data & Imaging Systems |
| Status | ACTIVE |
| Fastener Length | 1.430 INCHES NOMINAL IN |
| Shoulder Length | 1.274 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.156 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Material | STEEL COMP 303 OVERALL |
| 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 |
|---|---|
| 601780-01 PRIMARY | Drs C3 & Aviation Company Dba Drs Data & Imaging Systems (USA) |
NSN 5305-01-258-8495 is a Screw,shoulder, manufactured by Drs C3 & Aviation Company Dba Drs Data & Imaging Systems, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-258-8495 has 1 manufacturer part number on file: 601780-01 (Drs C3 & Aviation Company Dba Drs Data & Imaging Systems).
Key specifications for 601780-01: Fastener Length: 1.430 INCHES NOMINAL IN; Shoulder Length: 1.274 INCHES NOMINAL FIRST SHOULDER IN; Thread Length: 0.156 INCHES NOMINAL IN; Shoulder Shape: ROUND FIRST SHOULDER. 9 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.