J644P0PB

View detailed technical data, stock status, and sourcing information for: J644P0PB
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-283-4047

Item Name Code

01847

Assigment Date

08/26/1973 (52 years ago)

0.669 inches minimum and 0.760 inches maximum thread length, double hexagon w/hole head style, 3a thread class, right-hand thread direction, 0.740 inches minimum and 0.760 inches maximum 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: 0.669 inches minimum and 0.760 inches maximum
Fastener Length: 0.740 inches minimum and 0.760 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.293 inches minimum and 0.313 inches maximum
Width Between Flats: 0.313 inches nominal
Extended Washer Diameter: 0.428 inches minimum and 0.448 inches maximum
Extended Washer Thickness: 0.060 inches minimum and 0.070 inches maximum
Hole Diameter: 0.065 inches nominal
Nominal Thread Diameter: 0.250 inches
Hole Quantity: 4
Hole Type: drilled
Features Provided: finished head
Thread Quantity Per Inch: 28
Hole Configuration Style: double hexagon longitudinal hole
Surface Finish: 32.0 microinches threads
Material: nickel alloy 718 overall
Thread Series Designator: unjf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-097-6875	No Name Available	03/01/1995
5306-00-143-2606	No Name Available	08/01/1998

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
594378	Machine Bolt
J644P0PB	Machine Bolt
J664P09BQQ	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-283-4047?

The FSCG of the NSN 5306-00-283-4047 is 5306

Does the NSN 5306-00-283-4047 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5306-00-283-4047 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 5306-00-283-4047 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-283-4047 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 5306-00-283-4047 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sun, Aug 26, 1973