502C643H02

View detailed technical data, stock status, and sourcing information for: 502C643H02
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-902-8564

Item Name Code

06666

Assigment Date

01/01/1960 (66 years ago)

0.495 inches minimum and 0.510 inches maximum first diameter from head, 0.687 inches minimum thread length, 2a thread class, right-hand thread direction, 1.750 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
Thread Length: 0.687 inches minimum
Fastener Length: 1.750 inches nominal
First Diameter From Head: 0.495 inches minimum and 0.510 inches maximum
Second Diameter From Head: 0.688 inches nominal
Third Diameter From Head: 0.485 inches minimum and 0.490 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.125 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 0.938 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Third Diameter: 1.063 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.562 inches
Width Across Flats: 0.562 inches nominal
Thread Quantity Per Inch: 18
Hardness Rating: 25.0 rockwell c minimum and 34.9 rockwell c maximum overall
Surface Finish: 63.0 microinches overall
Special Features: 3 slots on top of head,0.125 in. w,0.125 in. deep,120 deg apart
Material: steel overall
Thread Series Designator: unf

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
502C643H02	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-902-8564?

The FSCG of the NSN 5306-00-902-8564 is 5306

Does the NSN 5306-00-902-8564 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-902-8564 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 5306-00-902-8564 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-902-8564 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 5306-00-902-8564 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960