5306-00-857-8344

Find complete technical information, availability, and procurement data for: 5306-00-857-8344
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-857-8344

Item Name Code

06666

Assigment Date

10/11/1967 (58 years ago)

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes:ring, connecting, round.

bevel-conical head style, 3a thread class, 5.125 inches nominal fastener length, right-hand thread direction, 0.787 inches minimum 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: 0.787 inches minimum
Fastener Length: 5.125 inches nominal
Head Style: bevel-conical
Head Diameter: 0.818 inches minimum and 0.828 inches maximum
Head Height: 0.500 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.500 inches
Width Across Flats: 0.376 inches minimum and 0.379 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 34.0 rockwell c minimum and 40.0 rockwell c maximum overall
Surface Finish: 15.0 microinches top of head
Surface Finish: 32.0 microinches threads
Surface Finish: 63.0 microinches bearing surface of head
Surface Finish: 63.0 microinches grip
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2 cl 2 fed spec single treatment response 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
MS20008-69	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-857-8344?

The FSCG of the NSN 5306-00-857-8344 is 5306

Does the NSN 5306-00-857-8344 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-857-8344 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 5306-00-857-8344 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-857-8344 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 5306-00-857-8344 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Oct 11, 1967