The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-184-2667, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-184-2667 |
| Primary Part Number | MIL-F-18240E |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Quantity Per Inch | 18 |
| Width Across Flats | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Minimum Yield Strength | 130000 POUNDS PER SQUARE INCH LBS |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| Locking Feature | PATCH THREADS |
| Thread Direction | RIGHT-HAND |
| Head Height | 0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Head Style | FLAT CHAMFER |
| Thread Length | 1.094 INCHES MINIMUM AND 1.434 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN |
| Fastener Length | 2.219 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 2 CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Material | STEEL OVERALL |
| Thread Class | 3A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-F-18240E | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| FF-S-86E | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 11662878-85 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5305-00-184-2667 is a Screw,cap,socket Head, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-184-2667 has 3 cross-referenced part numbers: MIL-F-18240E (Federal Specifications Promulgated by General Services Administration Washington DC), FF-S-86E (Federal Specifications Promulgated by General Services Administration Washington DC), 11662878-85 (U S Army Tank Automotive Command Amsta-Im-Mm).
There are 11 known substitutes for 5305-00-184-2667: 5305-00-063-5288, 5305-00-075-3633, 5305-00-137-3071 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-F-18240E: Surface Treatment: CADMIUM AND CHROMATE OVERALL; Nominal Thread Diameter: 0.312 INCHES IN; Thread Quantity Per Inch: 18; Width Across Flats: 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN. 20 total characteristics are documented in the Federal Logistics Information System.