The Setscrew, cataloged under National Stock Number 5305-01-124-0483, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Weldon Pump Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-124-0483 |
| Primary Part Number | P397 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Weldon Pump Llc |
| Status | ACTIVE |
| Width Across Flats | 0.050 INCHES NOMINAL IN |
| Fastener Length | 0.188 INCHES NOMINAL IN |
| Thread Length | 0.188 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.099 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | CUP |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 48 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| P397 PRIMARY | Weldon Pump Llc (USA) |
| Reference | Meaning |
|---|---|
| P397 | 5/9 Secondary reference Weldon Tool Co the |
NSN 5305-01-124-0483 is a Setscrew, manufactured by Weldon Pump Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-124-0483 has 1 manufacturer part number on file: P397 (Weldon Pump Llc).
Key specifications for P397: Width Across Flats: 0.050 INCHES NOMINAL IN; Fastener Length: 0.188 INCHES NOMINAL IN; Thread Length: 0.188 INCHES NOMINAL IN; Nominal Thread Diameter: 0.099 INCHES IN. 12 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.