The Screw,shoulder, cataloged under National Stock Number 5305-01-024-4125, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Services, Llc. Government technical data includes 18 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 | 5305-01-024-4125 |
| Primary Part Number | 3148011 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lockheed Martin Services, Llc |
| Status | ACTIVE |
| Head Height | 0.062 INCHES NOMINAL IN |
| Fastener Length | 0.353 INCHES MINIMUM AND 0.363 INCHES MAXIMUM IN |
| Shoulder Length | 0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.121 INCHES MINIMUM AND 0.123 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2B |
| Thread Quantity Per Inch | 56 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.191 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 |
|---|---|
| 3148011 PRIMARY | Lockheed Martin Services, Llc (USA) |
NSN 5305-01-024-4125 is a Screw,shoulder, manufactured by Lockheed Martin Services, Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-024-4125 has 1 manufacturer part number on file: 3148011 (Lockheed Martin Services, Llc).
Key specifications for 3148011: Head Height: 0.062 INCHES NOMINAL IN; Fastener Length: 0.353 INCHES MINIMUM AND 0.363 INCHES MAXIMUM IN; Shoulder Length: 0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.