5306-01-539-1397

Find complete technical information, availability, and procurement data for: 5306-01-539-1397
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-539-1397

Item Name Code

27851

Assigment Date

04/11/2006 (20 years ago)

A cover of various shapes, sizes and materials, specifically designed to fit over the opening(s) of mechanical connections such as drive lines, air and fluid ducts and the like, of various equipments to provide mechanical protection and/or prevent the entrance of foreign matter during shipping, storage or maintenance. The cover is not an integral part of the equipment when the equipment is installed in the end item. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs and the like. See also cap (1), protective, dust and moisture seal. Excludes:cover, access.

1.814 inches minimum and 1.844 inches maximum fastener length, right-hand thread direction, 0.4543 inches nominal thread length, undercut hexagon head style, 3a thread class

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: 0.4543 inches nominal
Fastener Length: 1.814 inches minimum and 1.844 inches maximum
Head Style: undercut hexagon
Head Height: 0.156 inches minimum and 0.171 inches maximum
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum
Grip Diameter: 0.3260 inches minimum and 0.3266 inches maximum
End Item Identification: joint stars
Nominal Thread Diameter: 0.312 inches
Grip Length: 2.000 inches nominal
Thread Quantity Per Inch: 24
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Part Name Assigned By Controlling Agency: bolt,close tolerance
Special Features: 0.0156 oversize,restricted usage :repair only.
Material: iron alloy 660 overall
Material Document And Classification: ams5737 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty2,cl2 fed spec single treatment response overall
Thread Series Designator: unjf

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
BACB30LJ5-32X	Close Tolerance Bolt
BACB30NF5-32X	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-539-1397?

The FSCG of the NSN 5306-01-539-1397 is 5306

Does the NSN 5306-01-539-1397 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-539-1397 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 5306-01-539-1397 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-539-1397 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 5306-01-539-1397 was assigned to the Federal Catalog?

It was assigned 20 years ago, on Tue, Apr 11, 2006