The Setscrew, cataloged under National Stock Number 5305-01-185-2838, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Woodward, Inc.. Government technical data includes 8 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-185-2838 |
| Primary Part Number | 188681 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Woodward, Inc. |
| Status | ACTIVE |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.125 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL 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 |
|---|---|
| 188681 PRIMARY | Woodward, Inc. (USA) |
NSN 5305-01-185-2838 is a Setscrew, manufactured by Woodward, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-185-2838 has 1 manufacturer part number on file: 188681 (Woodward, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-416-2130. Verify interchangeability with system specifications before substitution.
Key specifications for 188681: Fastener Length: 0.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.125 INCHES IN; Thread Direction: RIGHT-HAND; Internal Drive Style: HEXAGON. 8 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.