The Screw,head Expander, cataloged under National Stock Number 5305-01-315-9374, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-315-9374 |
| Primary Part Number | 260483 |
| Item Name | Screw,head Expander |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| General Characteristics Item Description | CRES PER AMS 5737; PASSIVATED; 0.094 IN. HEX SOCKET HEAD; 0.157 IN. DIA OF HEAD; 0.375 IN. O/A LG; 0.112-40 UNC-3A THD; 0.200 IN. LG THD A |
| 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 |
|---|---|
| 260483 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
| 260483 | Farrell Brothers Holding Corporation Dba Farrell Brothers Holding Corp Div Swiss Machine Products, Inc. (USA) |
| 260483 | Millipart, Inc (USA) |
| Reference | Meaning |
|---|---|
| 260483 | 5/9 Secondary reference Hughes Electro-Optical Opns Inc /heoo/ |
NSN 5305-01-315-9374 is a Screw,head Expander, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-315-9374 has 3 manufacturer part numbers on file: 260483 (Lockheed Martin Corp Electronics and Missiles Div), 260483 (Farrell Brothers Holding Corporation Dba Farrell Brothers Holding Corp Div Swiss Machine Products, Inc.), 260483 (Millipart, Inc).
Key specifications for 260483: General Characteristics Item Description: CRES PER AMS 5737; PASSIVATED; 0.094 IN. HEX SOCKET HEAD; 0.157 IN. DIA OF HEAD; 0.375 IN. O/A LG; 0.112-40 UNC-3A THD; 0.200 IN. LG THD A; End Item Identification: AIRCRAFT MODEL F-18. 1 specification is 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.