The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-100-2028, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Elettronica Aster Spa. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-100-2028 |
| Primary Part Number | 346247-1 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Elettronica Aster Spa |
| Status | ACTIVE |
| Fastener Length | 0.450 INCHES NOMINAL IN |
| Thread Length | 0.150 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 302 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 346247-1 | Elettronica Aster Spa (ITA) |
| Reference | Meaning |
|---|---|
| 346247-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-100-2028 is a Screw,cap,socket Head, manufactured by Elettronica Aster Spa, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-100-2028 has 1 manufacturer part number on file: 346247-1 (Elettronica Aster Spa).
Key specifications for 346247-1: Fastener Length: 0.450 INCHES NOMINAL IN; Thread Length: 0.150 INCHES NOMINAL IN; Nominal Thread Diameter: 0.112 INCHES IN; Head Style: FLAT CHAMFER. 10 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.