The Setscrew, cataloged under National Stock Number 5305-00-054-9291, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-054-9291 |
| Primary Part Number | FF-S-210B |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | CANCELLED |
| Thread Length | 2.500 INCHES MAXIMUM IN |
| Head Height | 0.361 INCHES MINIMUM AND 0.389 INCHES MAXIMUM IN |
| Fastener Length | 2.406 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Class | 2A A |
| 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 OR STEEL COMP 1035 OR STEEL COMP 1536 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1541 OR STEEL COMP 1042 OR STEEL COMP 1043 OR STEEL COMP 1045 OR STEEL COMP 1139 OR STEEL COMP 1140 OR STEEL COMP 1141 OR STEEL COMP 1144 OR STEEL COMP 1145 OVERALL |
| Thread Quantity Per Inch | 13 |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Point Style | CUP |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| Head Style | SQUARE |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 2 CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FF-S-210B | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MS51955-77 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| FFS210 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5305-00-054-9291 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 5305-00-054-9291 has 3 cross-referenced part numbers: FF-S-210B (Federal Specifications Promulgated by General Services Administration Washington DC), MS51955-77 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FFS210 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 8 known substitutes for 5305-00-054-9291: 5305-00-017-9120, 5305-00-058-0784, 5305-00-060-9320 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for FF-S-210B: Thread Length: 2.500 INCHES MAXIMUM IN; Head Height: 0.361 INCHES MINIMUM AND 0.389 INCHES MAXIMUM IN; Fastener Length: 2.406 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN; Surface Treatment: CADMIUM AND CHROMATE OVERALL. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-054-9291 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.