The Setscrew, cataloged under National Stock Number 5305-00-043-4551, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Siemens Energy, Inc.. 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: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-043-4551 |
| Primary Part Number | H2212PC31 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Nondefinitive Spec/std Data | 1 TYPE AND 5 STYLE |
| Head Height | 0.544 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Thread Class | 3A A |
| Fastener Length | 2.250 INCHES MINIMUM AND 2.438 INCHES MAXIMUM IN |
| Width Between Flats | 0.729 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Point Style | HALF DOG |
| Features Provided | CASEHARDENED |
| Thread Direction | RIGHT-HAND |
| Thread Length | 2.438 INCHES MAXIMUM IN |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Quantity Per Inch | 10 |
| Head Style | SQUARE |
| 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 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-00-043-4551 is a Setscrew, manufactured by Siemens Energy, Inc., classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-043-4551 has 2 cross-referenced part numbers: H2212PC31 (Siemens Energy, Inc.), MIL S933 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5305-00-043-4551: 5305-00-514-7728, 5305-00-545-8374, 5305-00-577-5462 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for H2212PC31: Nondefinitive Spec/std Data: 1 TYPE AND 5 STYLE; Head Height: 0.544 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.750 INCHES IN; Thread Class: 3A A. 16 total characteristics are documented in the Federal Logistics Information System.