The Screw,shoulder, cataloged under National Stock Number 5305-01-250-9968, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Nordex, Incorporated Dba Nordex Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-250-9968 |
| Primary Part Number | DAS-A1-8 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Nordex, Incorporated Dba Nordex Inc |
| Status | ACTIVE |
| Head Height | 0.156 INCHES NOMINAL IN |
| Fastener Length | 0.436 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Thread Length | 0.188 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLUSH |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.312 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 |
|---|---|
| DAS-A1-8 PRIMARY | Nordex, Incorporated Dba Nordex Inc (USA) |
| Reference | Meaning |
|---|---|
| DAS-A1-8 | 3/9 Design control — primary reference Nordex Inc |
NSN 5305-01-250-9968 is a Screw,shoulder, manufactured by Nordex, Incorporated Dba Nordex Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-250-9968 has 1 manufacturer part number on file: DAS-A1-8 (Nordex, Incorporated Dba Nordex Inc).
Key specifications for DAS-A1-8: Head Height: 0.156 INCHES NOMINAL IN; Fastener Length: 0.436 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Thread Length: 0.188 INCHES NOMINAL IN; Shoulder Shape: ROUND FIRST SHOULDER. 13 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.