Military Standards - Machine Screw - MS35265-80
FAA STD Part
Description: Machine Screw
Part Number: MS35265-80
Military Fasteners [ Click Here ]
AviAll MS Machine Screw [ Click Here ]
Aircraft Spruce Fillister Head Screws [ Click Here ]
Alternate Part Numbers: FFS92TYPE1STYLE5S, 360185, MS35263-80, MS35269-80
Product Overview
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in. /1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in. /5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
Item Specification:
| Thread Class | : | 2A | |
| Thread Direction | : | Right-hand | |
| Thread Length | : | 0.525" Inches minimum and 0.625" Inches maximum | |
| Fastener Length | : | 0.625" Inches nominal | |
| Head Style | : | Fillister | |
| Head Diameter | : | 0.389" inches minimum and 0.414" inches maximum | |
| Head Height | : | 0.161" inches minimum and 0.170" inches maximum | |
| Hole Diameter | : | 0.062" inches nominal | |
| Internal Drive Style | : | SLOT | |
| Nominal Thread Diameter | : | 0.250" Inches | |
| Hole Quantity | : | 1 | |
| Thread Quantity per Inch | : | 20 | |
| Minimum Tensile Strength | : | 55000 pounds per square inch | |
| Screw Material | : | Steel | |
| Screw Material Document and Classification | : | QQ-S-633 fed spec single material response | |
| Head Hole Configuration Style | : | Round | |
| Thread Series Designator | : | UNC |