The Setscrew, cataloged under National Stock Number 5305-00-550-0789, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-550-0789 |
| Primary Part Number | 7876450P4 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Spline Minor Diameter | 0.079 INCHES NOMINAL IN |
| Point Length | 0.062 INCHES NOMINAL IN |
| Fastener Length | 0.125 INCHES NOMINAL IN |
| Spline Width | 0.022 INCHES NOMINAL IN |
| Thread Length | 0.125 INCHES MAXIMUM IN |
| Hardness Rating | 35.0 ROCKWELL C NOMINAL OVERALL |
| Spline Major Diameter | 0.098 INCHES NOMINAL IN |
| Point Chamfer Angle | 90.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Surface Treatment | CHROMIUM OVERALL |
| Internal Drive Style | SIX SPLINE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| 7876450P4 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 7876450P4 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-00-550-0789 is a Setscrew, manufactured by General Electric Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-550-0789 has 1 manufacturer part number on file: 7876450P4 (General Electric Company).
Key specifications for 7876450P4: Spline Minor Diameter: 0.079 INCHES NOMINAL IN; Point Length: 0.062 INCHES NOMINAL IN; Fastener Length: 0.125 INCHES NOMINAL IN; Spline Width: 0.022 INCHES NOMINAL IN. 18 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.