The Screw,machine, cataloged under National Stock Number 5305-01-686-3134, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-686-3134 |
| Primary Part Number | 14-0050505-13 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company |
| Status | ACTIVE |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| 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 |
|---|---|
| 14-0050505-13 PRIMARY | Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company (USA) |
NSN 5305-01-686-3134 is a Screw,machine, manufactured by Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-686-3134 has 1 manufacturer part number on file: 14-0050505-13 (Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company).
Key specifications for 14-0050505-13: Fastener Length: 0.250 INCHES NOMINAL IN; Head Style: PAN; Thread Direction: RIGHT-HAND; Screw Material: STEEL CORROSION RESISTING. 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.