5306-01-386-6740

Find complete technical information, availability, and procurement data for: 5306-01-386-6740
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-386-6740

Item Name Code

15903

Assigment Date

02/11/1994 (32 years ago)

A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore, designed to accommodate the end of the spring. It is used to position the spring but does not encase the spring or restrain lateral motion. It may be used in conjunction with a retainer,helical compression spring. Excludes:washer (as modified), seat,ball socket, and holder,spring. See also rotor,engine poppet valve.

0.735 inches nominal thread length, dished hexagon head style, right-hand thread direction, 3a thread class, 4.485 inches nominal fastener 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: 0.735 inches nominal
Fastener Length: 4.485 inches nominal
Head Style: dished hexagon
Head Height: 0.250 inches nominal
Width Between Flats: 0.741 inches minimum and 0.752 inches maximum
Grip Diameter: 0.498 inches minimum and 0.499 inches maximum
Nominal Thread Diameter: 0.500 inches
Grip Length: 3.750 inches nominal
Hole Quantity: 3
Hole Type: drilled
Thread Quantity Per Inch: 20
Hole Configuration Style: hexagon corners
Special Features: shall be in accordance with all requirements as specified in national aerospace standard nas 6603 through 6620
Material: steel comp e4340 overall
Surface Treatment: cadmium overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas6608 professional/industrial association standard

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
NAS6608H60	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-386-6740?

The FSCG of the NSN 5306-01-386-6740 is 5306

Does the NSN 5306-01-386-6740 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-386-6740 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 5306-01-386-6740 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-386-6740 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 5306-01-386-6740 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Feb 11, 1994