The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-266-4105, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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 | 5305-00-266-4105 |
| Primary Part Number | MIL-S-1222H |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Minimum Tensile Strength | 58000 POUNDS PER SQUARE INCH LBS |
| Thread Length | 1.500 INCHES MINIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Series Designator | UNF |
| Material | STEEL OVERALL |
| Head Height | 0.297 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Head Style | HEXAGON |
| Width Between Flats | 0.750 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Fastener Length | 3.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-S-1222H | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MILB857TYPEB | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5305-00-266-4105 is a Screw,cap,hexagon Head, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-266-4105 has 2 cross-referenced part numbers: MIL-S-1222H (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILB857TYPEB (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5305-00-266-4105: 5305-00-226-9220, 5306-00-227-0932, 5307-00-248-7987 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-S-1222H: Minimum Tensile Strength: 58000 POUNDS PER SQUARE INCH LBS; Thread Length: 1.500 INCHES MINIMUM IN; Surface Treatment: CADMIUM OVERALL; Thread Series Designator: UNF. 13 total characteristics are documented in the Federal Logistics Information System.