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MS27039DD1-21

MS27039DD1-21

Machine Screw

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.

0.122 inches minimum and 0.133 inches maximum head height, pan head style, 0.357 inches minimum and 0.373 inches maximum head diameter, cross recess type 1 internal drive style, 1.329 inches minimum and 1.376 inches maximum fastener length

NSN: 5305-00-920-0431
Federal Supply Group: Hardware and Abrasives
Federal Supply Classification: 5305 -Screws
Item Identification Number: 00-920-0431
Requires Demilitarization?: Yes
INC: 06657
Assigment Date: Wed, Aug 10, 1966
Schedule B Code: 7616106000
Fastener Length: 1.329 inches minimum and 1.376 inches maximum
Head Height: 0.122 inches minimum and 0.133 inches maximum
Head Diameter: 0.357 inches minimum and 0.373 inches maximum
Head Style: pan
Internal Drive Style: cross recess type 1
Minimum Tensile Strength: 62000 pounds per square inch
Nominal Thread Diameter: 0.190 inches
Screw Material: aluminum alloy 2024
Screw Material Document And Classification: qq-a-225/6 fed spec single material response or mil-w-7986 mil spec single material response
Screw Surface Treatment Document And Classification: mil-a-8625 mil spec single treatment response
Screw Surface Treatment: anodize
Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.377 inches minimum and 0.516 inches maximum
Thread Quantity Per Inch: 32
Thread Series Designator: unf

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-920-0431?: The FSCG of the NSN 5305-00-920-0431 is 5305

Does the NSN 5305-00-920-0431 have a Schedule B code assigned?: Yes, the Schedule B code is 7616106000

Does NSN 5305-00-920-0431 require demilitarization?: Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-00-920-0431 contain precious materials?: Precious metal content is unknown

Does NSN 5305-00-920-0431 contain hazardous materials?: Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.