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.

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