The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-266-6361, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 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 | 5305-00-266-6361 |
| Primary Part Number | MS35290-91 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Thread Length | 1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN |
| Fastener Length | 2.000 INCHES NOMINAL IN |
| Hardness Rating | 100.0 ROCKWELL B MAXIMUM OVERALL |
| Thread Series Designator | UNF |
| Material | STEEL OVERALL |
| Material Document and Classification | SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Minimum Yield Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Minimum Tensile Strength | 69000 POUNDS PER SQUARE INCH LBS |
| Head Height | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS35290-91 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| FFS85AMEND2TYPE2STYLE10PGRADE2 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5305-00-266-6361 is a Screw,cap,hexagon Head, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-266-6361 has 2 cross-referenced part numbers: MS35290-91 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FFS85AMEND2TYPE2STYLE10PGRADE2 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 5305-00-266-6361: 5305-00-261-1868, 5305-00-261-1898, 5305-00-261-1916 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS35290-91: Head Style: HEXAGON; Thread Direction: RIGHT-HAND; Width Between Flats: 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Thread Length: 1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.