ND9901

View detailed technical data, stock status, and sourcing information for: ND9901
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-263-3533

Item Name Code

15939

Assigment Date

01/01/1961 (65 years ago)

1.188 inches minimum thread length, 2a thread class, 2.250 inches nominal fastener length, flat countersunk head style, right-hand thread direction

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: 1.188 inches minimum
Fastener Length: 2.250 inches nominal
Head Style: flat countersunk
Head Diameter: 1.062 inches nominal
Neck Length: 0.500 inches nominal
Nominal Thread Diameter: 0.625 inches
Thread Quantity Per Inch: 11
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 23.0 rockwell c minimum and 32.0 rockwell c maximum overall
Countersink Angle: 82.0 degrees nominal
Neck Width: 0.656 inches nominal
Material: steel overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 3 type and 2 class and c style and 1 form

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3030-00-262-8952	No Name Available	01/02/1975
5306-00-266-0724	Square Neck Bolt	07/01/2025
5306-00-593-1191	No Name Available	01/01/1963

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
3F5108	Square Neck Bolt
AEB24C625B25AP5A11	Square Neck Bolt
B18.9	Square Neck Bolt
ND7275	Square Neck Bolt
ND9901	Square Neck Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-263-3533?

The FSCG of the NSN 5306-00-263-3533 is 5306

Does the NSN 5306-00-263-3533 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-263-3533 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 5306-00-263-3533 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-263-3533 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 5306-00-263-3533 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961