The Setscrew, cataloged under National Stock Number 5305-00-225-7544, 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 16 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-225-7544 |
| Primary Part Number | FF-S-210 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | CANCELLED |
| Thread Quantity Per Inch | 20 |
| Head Style | SQUARE |
| Material | STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nondefinitive Spec/std Data | 1 TYPE AND 4 STYLE |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Class | 3A A |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Length | 0.500 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Head Height | 0.178 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN |
| Point Style | CUP |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Width Between Flats | 0.241 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Fastener Length | 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FF-S-210 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MILB933TYPEA | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5305-00-225-7544 is a Setscrew, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-225-7544 has 2 cross-referenced part numbers: FF-S-210 (Federal Specifications Promulgated by General Services Administration Washington DC), MILB933TYPEA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5305-00-225-7544: 5305-00-190-1447, 5310-00-199-3079, 5310-00-199-6548 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FF-S-210: Thread Quantity Per Inch: 20; Head Style: SQUARE; Material: STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-225-7544 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.