The Setscrew, cataloged under National Stock Number 5305-00-579-1233, 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 3 commercial cross-references from 3 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 | 5305-00-579-1233 |
| Primary Part Number | FFS103 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Thread Series Designator | UNF |
| Nondefinitive Spec/std Data | 1 TYPE AND 3 STYLE |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OR AISI/SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Head Style | HEADLESS (SETSCREW) |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Width Across Flats | 0.093 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Length | 0.250 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Point Style | FLAT |
| Thread Quantity Per Inch | 32 |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFS103 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MS51028-49 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 10223 | Kleinschmidt Inc (USA) |
NSN 5305-00-579-1233 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 5305-00-579-1233 has 3 cross-referenced part numbers: FFS103 (Federal Specifications Promulgated by General Services Administration Washington DC), MS51028-49 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 10223 (Kleinschmidt Inc).
There are 12 known substitutes for 5305-00-579-1233: 3110-00-100-3115, 5999-00-106-3926, 5133-00-113-4846 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FFS103: Thread Series Designator: UNF; Nondefinitive Spec/std Data: 1 TYPE AND 3 STYLE; Surface Treatment: PHOSPHATE OVERALL; Material: STEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.