The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-100-2008, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-100-2008 |
| Primary Part Number | 855302-1 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Elettronica Aster Spa |
| Status | ACTIVE |
| Fastener Length | 0.540 INCHES NOMINAL IN |
| Thread Length | 0.188 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| 855302-1 | Elettronica Aster Spa (ITA) |
| Reference | Meaning |
|---|---|
| 855302-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-100-2008 is a Screw,externally Relieved Body, manufactured by Elettronica Aster Spa, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-100-2008 has 1 manufacturer part number on file: 855302-1 (Elettronica Aster Spa).
Key specifications for 855302-1: Fastener Length: 0.540 INCHES NOMINAL IN; Thread Length: 0.188 INCHES NOMINAL IN; Nominal Thread Diameter: 0.164 INCHES IN; Thread Direction: RIGHT-HAND. 7 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.