5306-00-993-6257

Find complete technical information, availability, and procurement data for: 5306-00-993-6257
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-993-6257

Item Name Code

15939

Assigment Date

01/01/1962 (64 years ago)

2a thread class, 2.969 inches minimum and 3.031 inches maximum fastener length, right-hand thread direction, 1.000 inches minimum thread length, button head style

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: 1.000 inches minimum
Fastener Length: 2.969 inches minimum and 3.031 inches maximum
Head Style: button
Head Diameter: 0.782 inches minimum and 0.844 inches maximum
Head Height: 0.188 inches minimum and 0.208 inches maximum
Neck Length: 0.188 inches minimum and 0.219 inches maximum
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 55000 pounds per square inch
Hardness Rating: 95.0 rockwell b maximum overall
Neck Width: 0.368 inches minimum and 0.388 inches maximum
Material: steel overall
Material Document And Classification: sae gr 1 assn std single material response overall
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec 1st treatment response or qq-z-325,ty 2,cl 3 fed spec 2nd treatment response overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-010-9118	No Name Available	01/01/1960
5306-00-012-6705	No Name Available	09/01/1995
5306-00-012-8714	No Name Available	06/18/2014
5306-00-059-1252	No Name Available	08/01/1979
5306-00-248-8670	No Name Available	09/01/2023
5306-00-257-4147	Square Neck Bolt	07/01/2025
5306-00-265-0786	No Name Available	08/01/1986
5306-00-638-2125	No Name Available	10/01/1976
5306-00-982-9900	No Name Available	09/07/2022

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
128714	Square Neck Bolt
MS35751-77	Square Neck Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-993-6257?

The FSCG of the NSN 5306-00-993-6257 is 5306

Does the NSN 5306-00-993-6257 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-993-6257 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 5306-00-993-6257 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-993-6257 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 5306-00-993-6257 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962