The Setscrew, cataloged under National Stock Number 5305-00-263-5103, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Siemens Energy, Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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 | 5305-00-263-5103 |
| Primary Part Number | 1689 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Length | 0.562 INCHES MAXIMUM IN |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Quantity Per Inch | 20 |
| Head Style | HEADLESS (SETSCREW) |
| Point Style | FULL DOG |
| Features Provided | CASEHARDENED |
| Thread Class | 3A A |
| Nondefinitive Spec/std Data | 2 TYPE AND 5 STYLE |
| Thread Direction | RIGHT-HAND |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Material | STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1022 OR STEEL COMP 1212 OR STEEL COMP 1213 OR STEEL COMP 1137 OVERALL |
| Fastener Length | 0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFS103TYPE2STYLE5 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 1689 PRIMARY | Siemens Energy, Inc. (USA) |
NSN 5305-00-263-5103 is a Setscrew, manufactured by Siemens Energy, Inc., classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-263-5103 has 2 cross-referenced part numbers: FFS103TYPE2STYLE5 (Federal Specifications Promulgated by General Services Administration Washington DC), 1689 (Siemens Energy, Inc.).
There are 12 known substitutes for 5305-00-263-5103: 4810-00-009-2207, 5305-00-014-1021, 5305-00-014-1036 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1689: Nominal Thread Diameter: 0.250 INCHES IN; Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL; Thread Length: 0.562 INCHES MAXIMUM IN; Internal Drive Style: CROSS RECESS TYPE 1. 15 total characteristics are documented in the Federal Logistics Information System.