(100) National Aerospace Standards MS24694C98 Machine Screw NSN:5305-00-207-2793

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Machine Screw

NSN: 5305-00-207-2793 | Model: MS24694C98
ITAR Registered seal

An externally threaded fastener whose threaded portion is of one 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.

NSN Properties and Flags
NATO Stock Number
Thread Class
Thread Direction
Thread Length
Between 0.429 inches and 0.578 inches
Fastener Length
Between 0.703 inches and 0.750 inches
Head Style
Flat countersunk
Head Diameter
Between 0.447 inches and 0.507 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
Min. Tensile Strength (psi)
85000 pounds per square inch
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Screw Material
Steel comp 302 or steel comp 304
Screw Material Specification
66 federal standard all material responses
Screw Surface Treatment
Screw Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator

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