M24240/4-20406

View detailed technical data, stock status, and sourcing information for: M24240/4-20406
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-272-5795

Item Name Code

01847

Assigment Date

02/11/1988 (38 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

right-hand thread direction, 3a thread class, 0.734 inches minimum and 0.766 inches maximum thread length, 0.734 inches minimum and 0.766 inches maximum fastener length, double hexagon extended washer head style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.734 inches minimum and 0.766 inches maximum
Fastener Length: 0.734 inches minimum and 0.766 inches maximum
Head Style: double hexagon extended washer
Head Height: 0.244 inches minimum and 0.250 inches maximum
Width Between Flats: 0.249 inches minimum and 0.253 inches maximum
Extended Washer Diameter: 0.365 inches minimum and 0.375 inches maximum
Extended Washer Thickness: 0.068 inches minimum and 0.088 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.734 inches minimum and 0.766 inches maximum
Thread Quantity Per Inch: 28
Special Features: construction of extended washer is optional
Material: steel overall
Surface Treatment: cadmium overall
Thread Series Designator: unf
Specification/Standard Data: 81349-mil-s-24240/4 government specification

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
M24240/4-20406	Machine Bolt
MIL-S-24240/4-20406	Machine Bolt

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5306-01-272-5795?

The FSCG of the NSN 5306-01-272-5795 is 5306

Does the NSN 5306-01-272-5795 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-272-5795 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 5306-01-272-5795 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-272-5795 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.

When the NSN 5306-01-272-5795 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Feb 11, 1988