The Setscrew, cataloged under National Stock Number 5305-00-656-0021, 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 13 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 | 5305-00-656-0021 |
| Primary Part Number | FFS103TYPE3STYLE6 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Head Style | HEADLESS (SETSCREW) |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Width Across Flats | 0.156 INCHES NOMINAL IN |
| Point Style | HALF DOG |
| Internal Drive Style | HEXAGON |
| Thread Length | 1.250 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 24 |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Class | 3A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFS103TYPE3STYLE6 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 5305006560021 | E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5305-00-656-0021 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 5305-00-656-0021 has 2 cross-referenced part numbers: FFS103TYPE3STYLE6 (Federal Specifications Promulgated by General Services Administration Washington DC), 5305006560021 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee).
There are 12 known substitutes for 5305-00-656-0021: 5305-00-022-3042, 5305-00-022-3052, 5305-00-022-3150 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FFS103TYPE3STYLE6: Head Style: HEADLESS (SETSCREW); Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL; Material: STEEL OVERALL; Thread Series Designator: UNF. 13 total characteristics are documented in the Federal Logistics Information System.