NK5-42

View detailed technical data, stock status, and sourcing information for: NK5-42
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-470-5408

Item Name Code

01847

Assigment Date

08/28/1970 (55 years ago)

A headless, generally cylindrically-shaped item having a straight, smooth, solid body, with or without a drilled hole(s). It has an outside diameter equal to or less than its length. Its length must not exceed twelve inches (304 mm); for items whose length exceeds twelve inches (304 mm); see rod,straight,headless. It is used for aligning or transfer of torque and/or thrust, by fitting into corresponding holes of another item. See also pin,straight,threaded.

3a thread class, 4.328 inches minimum and 4.375 inches maximum fastener length, hexagon head style, right-hand thread direction, 0.500 inches minimum and 0.579 inches maximum thread length

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: 0.500 inches minimum and 0.579 inches maximum
Fastener Length: 4.328 inches minimum and 4.375 inches maximum
Head Style: hexagon
Head Height: 0.172 inches minimum and 0.204 inches maximum
Width Between Flats: 0.490 inches minimum and 0.502 inches maximum
Locking Feature: pellet threads
Nominal Thread Diameter: 0.312 inches
Grip Length: 3.796 inches minimum and 3.828 inches maximum
Features Provided: finished head
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Material: steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037 overall
Thread Series Designator: unf

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
NK5-42	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-470-5408?

The FSCG of the NSN 5306-00-470-5408 is 5306

Does the NSN 5306-00-470-5408 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-470-5408 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 5306-00-470-5408 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-470-5408 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 5306-00-470-5408 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Aug 28, 1970