The Setscrew, cataloged under National Stock Number 5305-00-559-0806, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 16 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 | 5305-00-559-0806 |
| Primary Part Number | P10623 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.570 INCHES MINIMUM AND 0.618 INCHES MAXIMUM IN |
| Point Length | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Fastener Length | 5.906 INCHES MINIMUM AND 6.094 INCHES MAXIMUM IN |
| Thread Length | 2.870 INCHES MAXIMUM IN |
| Point Chamfer Angle | 28.0 DEGREES MINIMUM AND 32.0 DEGREES MAXIMUM |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Width Between Flats | 1.062 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 10 |
| 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 |
|---|---|
| P10623 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5305-00-559-0806 is a Setscrew, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-559-0806 has 1 manufacturer part number on file: P10623 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for P10623: Head Height: 0.570 INCHES MINIMUM AND 0.618 INCHES MAXIMUM IN; Point Length: 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Fastener Length: 5.906 INCHES MINIMUM AND 6.094 INCHES MAXIMUM IN; Thread Length: 2.870 INCHES MAXIMUM IN. 16 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.