3H1731

View detailed technical data, stock status, and sourcing information for: 3H1731
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-197-2405

Item Name Code

15939

Assigment Date

12/19/1984 (41 years ago)

1.250 inches nominal thread length, button head style, 1.500 inches nominal fastener length, right-hand thread direction, 2a thread class

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: 1.250 inches nominal
Fastener Length: 1.500 inches nominal
Head Style: button
Head Diameter: 1.032 inches minimum and 1.094 inches maximum
Head Height: 0.250 inches minimum and 0.270 inches maximum
Neck Length: 0.125 inches minimum and 0.156 inches maximum
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 36.0 rockwell c maximum overall
Neck Width: 0.492 inches minimum and 0.515 inches maximum
Material Document And Classification: sae assn std all material responses overall
Surface Treatment: zinc overall
Thread Series Designator: unc

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
3H1731	Square Neck Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-197-2405?

The FSCG of the NSN 5306-01-197-2405 is 5306

Does NSN 5306-01-197-2405 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 5306-01-197-2405 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-197-2405 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 5306-01-197-2405 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Dec 19, 1984