5306-01-623-1845

Find complete technical information, availability, and procurement data for: 5306-01-623-1845
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-623-1845

Item Name Code

15903

Assigment Date

11/04/2013 (12 years ago)

A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.

1.052 inches nominal thread length, 3a thread class, right-hand thread direction, 3.427 inches nominal fastener length, double hexagon w/hole head style

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: 1.052 inches nominal
Fastener Length: 3.427 inches nominal
Head Style: double hexagon w/hole
Head Height: 0.701 inches minimum and 0.721 inches maximum
Width Between Flats: 0.803 inches minimum and 0.814 inches maximum
Extended Washer Diameter: 1.220 inches minimum and 1.230 inches maximum
Extended Washer Thickness: 0.168 inches minimum and 0.188 inches maximum
Grip Diameter: 0.748 inches minimum and 0.749 inches maximum
End Item Identification: a-10 wrp
Nominal Thread Diameter: 0.750 inches
Grip Length: 2.375 inches nominal
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 220000 pounds per square inch
Part Name Assigned By Controlling Agency: bolt close tolerance 12 point flange head
Material: steel comp xm-13 overall
Surface Treatment: passivate 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
MB84-12-38	Shear Bolt
ST3M571-12-38	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-623-1845?

The FSCG of the NSN 5306-01-623-1845 is 5306

Does the NSN 5306-01-623-1845 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-623-1845 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 5306-01-623-1845 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-623-1845 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 5306-01-623-1845 was assigned to the Federal Catalog?

It was assigned 12 years ago, on Mon, Nov 4, 2013