5306-00-248-8691

Find complete technical information, availability, and procurement data for: 5306-00-248-8691
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-248-8691

Item Name Code

15939

Assigment Date

01/01/1961 (65 years ago)

2a thread class, 2.000 inches nominal fastener length, button head style, right-hand thread direction, 1.500 inches minimum 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: 2a
Thread Direction: right-hand
Thread Length: 1.500 inches minimum
Fastener Length: 2.000 inches nominal
Head Style: button
Head Diameter: 1.219 inches minimum and 1.344 inches maximum
Head Height: 0.313 inches minimum and 0.344 inches maximum
Neck Length: 0.313 inches minimum and 0.344 inches maximum
Nominal Thread Diameter: 0.625 inches
Thread Quantity Per Inch: 11
Minimum Tensile Strength: 55000 pounds per square inch
Hardness Rating: 95.0 rockwell b maximum overall
Neck Width: 0.616 inches minimum and 0.642 inches maximum
Material: steel overall
Material Document And Classification: ff-b-584 fed spec single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: qq-z-325,ty 2,cl 3 fed spec single treatment response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 1 type and a style and 1 class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-145-1062	No Name Available	02/01/1982
5306-00-190-3279	Square Neck Bolt	07/01/2025
5306-00-426-3418	No Name Available	09/01/1982
5306-00-619-2423	No Name Available	09/01/2023

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
5-4-1086IT19-3	Square Neck Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-248-8691?

The FSCG of the NSN 5306-00-248-8691 is 5306

Does the NSN 5306-00-248-8691 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-248-8691 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 5306-00-248-8691 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-248-8691 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 5306-00-248-8691 was assigned to the Federal Catalog?

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