The Setscrew, cataloged under National Stock Number 5305-00-025-7250, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 23 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 | 5305-00-025-7250 |
| Primary Part Number | 187-63015-7 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Extended Washer Thickness | 0.187 INCHES NOMINAL IN |
| Point Diameter | 0.539 INCHES MINIMUM AND 0.549 INCHES MAXIMUM IN |
| Head Height | 0.625 INCHES NOMINAL IN |
| Point Length | 0.125 INCHES NOMINAL IN |
| Fastener Length | 2.719 INCHES NOMINAL IN |
| Extended Washer Diameter | 1.093 INCHES NOMINAL IN |
| Thread Length | 0.938 INCHES MINIMUM IN |
| Hole Configuration Style | HEXAGON FLATS |
| Material Document and Classification | MIL-S-5626 COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 90.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Width Between Flats | 0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4140 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.070 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 |
|---|---|
| 187-63015-7 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5305-00-025-7250 is a Setscrew, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-025-7250 has 1 manufacturer part number on file: 187-63015-7 (The Boeing Company Div Legacy Am&m).
Key specifications for 187-63015-7: Extended Washer Thickness: 0.187 INCHES NOMINAL IN; Point Diameter: 0.539 INCHES MINIMUM AND 0.549 INCHES MAXIMUM IN; Head Height: 0.625 INCHES NOMINAL IN; Point Length: 0.125 INCHES NOMINAL IN. 23 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.