The Setscrew, cataloged under National Stock Number 5305-00-253-3810, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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 | 5305-00-253-3810 |
| Primary Part Number | 34F4C30CPC8 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Thread Series Designator | UNF |
| Material | STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL |
| Internal Drive Style | HEXAGON |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Thread Class | 2A A |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Point Style | CUP |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 32 |
| Head Style | HEADLESS (SETSCREW) |
| Width Across Flats | 0.093 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 34F4C30CPC8 PRIMARY | Fairbanks Morse, Llc (USA) |
| 34F4C30APC8 | Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA) |
| 34F4C30APC8 PRIMARY | Fairbanks Morse, Llc (USA) |
| 37F4C30CPC8 | Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA) |
| 37F4C30APC8 | Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA) |
| MILB933TYPEG | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 37F4C30CPC8 PRIMARY | Fairbanks Morse, Llc (USA) |
| 37F4C30APC8 PRIMARY | Fairbanks Morse, Llc (USA) |
| 34F4C30CPC8 | Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA) |
NSN 5305-00-253-3810 is a Setscrew, manufactured by Fairbanks Morse, Llc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-253-3810 has 9 cross-referenced part numbers: 34F4C30CPC8 (Fairbanks Morse, Llc), 34F4C30APC8 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), 34F4C30APC8 (Fairbanks Morse, Llc), 37F4C30CPC8 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), 37F4C30APC8 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine) and 4 more.
There are 12 known substitutes for 5305-00-253-3810: 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 34F4C30CPC8: Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL; Fastener Length: 0.250 INCHES NOMINAL IN; Thread Series Designator: UNF; Material: STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.