5306-01-068-1306

Find complete technical information, availability, and procurement data for: 5306-01-068-1306
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-068-1306

Item Name Code

27851

Assigment Date

11/16/1978 (47 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

undercut hexagon head style, 1.617 inches minimum and 1.647 inches maximum fastener length, 0.669 inches minimum and 0.719 inches maximum thread length, 3a thread class, right-hand thread direction

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: 0.669 inches minimum and 0.719 inches maximum
Fastener Length: 1.617 inches minimum and 1.647 inches maximum
Head Style: undercut hexagon
Head Height: 0.219 inches minimum and 0.234 inches maximum
Width Between Flats: 0.679 inches minimum and 0.690 inches maximum
Grip Diameter: 0.4360 inches minimum and 0.4370 inches maximum
Nominal Thread Diameter: 0.438 inches
Grip Length: 0.928 inches minimum and 0.948 inches maximum
Thread Quantity Per Inch: 20
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel comp 4340 or steel comp 8740 or steel comp 4037 overall
Material Document And Classification: mil-s-5000 mil spec 1st material response or mill-s-6049 mil spec 2nd material response or ams 6300 assn std 3rd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2 cl 3 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
BACB30NE7-15	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-068-1306?

The FSCG of the NSN 5306-01-068-1306 is 5306

Does the NSN 5306-01-068-1306 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-068-1306 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 5306-01-068-1306 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-068-1306 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 5306-01-068-1306 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Thu, Nov 16, 1978