The Setscrew, cataloged under National Stock Number 5305-00-249-0220, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Supply Forwarding Annex. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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 | 5305-00-249-0220 |
| Primary Part Number | 1055F105SH1ITEM59 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Supply Forwarding Annex |
| Status | ACTIVE |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM OVERALL |
| Width Across Flats | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Departure From Cited Designator | AS MOD BY THD CLASS |
| Thread Length | 0.375 INCHES MINIMUM IN |
| Features Provided | CASEHARDENED |
| Internal Drive Style | HEXAGON |
| Nondefinitive Spec/std Data | G TYPE |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Point Style | CUP |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1055F105SH1ITEM59 | Supply Forwarding Annex (USA) |
| MILB933TYPEG | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| SF10411PC6 | Siemens Energy, Inc. (USA) |
| SF-10411PC6 | Circor Pumps North America Llc (USA) |
NSN 5305-00-249-0220 is a Setscrew, manufactured by Supply Forwarding Annex, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-249-0220 has 4 cross-referenced part numbers: 1055F105SH1ITEM59 (Supply Forwarding Annex), MILB933TYPEG (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SF10411PC6 (Siemens Energy, Inc.), SF-10411PC6 (Circor Pumps North America Llc).
There are 12 known substitutes for 5305-00-249-0220: 5305-00-249-0198, 5305-00-249-0209, 5305-00-249-0210 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1055F105SH1ITEM59: Hardness Rating: 45.0 ROCKWELL C MINIMUM OVERALL; Width Across Flats: 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN; Thread Class: 2A A; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 14 total characteristics are documented in the Federal Logistics Information System.