The Setscrew, cataloged under National Stock Number 5305-00-263-8405, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-263-8405 |
| Primary Part Number | FFS103TYPE3STYLE5 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Material | STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL |
| Nondefinitive Spec/std Data | 1 TYPE AND 5 STYLE |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 13 |
| Internal Drive Style | HEXAGON |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Head Style | HEADLESS (SETSCREW) |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Point Style | FULL DOG |
| Thread Length | 0.625 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFS103TYPE3STYLE5 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5305-00-263-8405 is a Setscrew, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-263-8405 has 1 cross-referenced part number: FFS103TYPE3STYLE5 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 5305-00-263-8405: 5305-00-013-9703, 5305-00-013-9705, 5305-00-013-9727 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FFS103TYPE3STYLE5: Thread Direction: RIGHT-HAND; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Width Across Flats: 0.250 INCHES NOMINAL IN; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.