The Setscrew, cataloged under National Stock Number 5305-00-255-0074, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American Coleman Company, the Dba Metro Crown International. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-255-0074 |
| Primary Part Number | 257-9 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | American Coleman Company, the Dba Metro Crown International |
| Status | ACTIVE |
| Thread Class | 2A A |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Head Style | SQUARE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Head Height | 0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN |
| Fastener Length | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Point Style | CUP |
| Hole Quantity | 1 |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 16 |
| Hole Type | DRILLED |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | SQUARE LONGITUDINAL HOLE |
| Width Between Flats | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| Hole Diameter | 0.094 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 257-9 | American Coleman Company, the Dba Metro Crown International (USA) |
NSN 5305-00-255-0074 is a Setscrew, manufactured by American Coleman Company, the Dba Metro Crown International, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-255-0074 has 1 cross-referenced part number: 257-9 (American Coleman Company, the Dba Metro Crown International).
There are 5 known substitutes for 5305-00-255-0074: 6610-00-888-4863, 7530-01-209-2018, 5935-01-323-3835 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 257-9: Thread Class: 2A A; Surface Treatment: CADMIUM AND CHROMATE OVERALL; Head Style: SQUARE; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 20 total characteristics are documented in the Federal Logistics Information System.