5306-01-553-5941

Find complete technical information, availability, and procurement data for: 5306-01-553-5941
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-553-5941

Item Name Code

06659

Assigment Date

07/19/2007 (19 years ago)

"a nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe" feature in critical applications. Excludes:nut (1), self-locking, slotted, hexagon."

right-hand thread direction, 2a thread class, 0.312 inches nominal thread diameter, hexagon extended washer head style, 0.750 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: 2a
Thread Direction: right-hand
Fastener Length: 0.750 inches nominal
Head Style: hexagon extended washer
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 18
Hardness Rating: 26.0 rockwell c minimum and 39.0 rockwell c maximum overall
Part Name Assigned By Controlling Agency: hex serrated-large washer head
Material: steel overall
Thread Series Designator: unc

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
103AX95	Assembled Washer Bolt
25089245	Assembled Washer Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-553-5941?

The FSCG of the NSN 5306-01-553-5941 is 5306

Does the NSN 5306-01-553-5941 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-553-5941 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 5306-01-553-5941 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-553-5941 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 5306-01-553-5941 was assigned to the Federal Catalog?

It was assigned 19 years ago, on Thu, Jul 19, 2007