AN176H52A

View detailed technical data, stock status, and sourcing information for: AN176H52A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-405-2549

Item Name Code

27851

Assigment Date

04/07/1971 (55 years ago)

0.609 inches minimum and 0.687 inches maximum thread length, 3a thread class, right-hand thread direction, hexagon head style, 5.312 inches minimum and 5.359 inches maximum 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: 3a
Thread Direction: right-hand
Thread Length: 0.609 inches minimum and 0.687 inches maximum
Fastener Length: 5.312 inches minimum and 5.359 inches maximum
Head Style: hexagon
Head Height: 0.203 inches minimum and 0.235 inches maximum
Width Between Flats: 0.553 inches minimum and 0.565 inches maximum
Hole Diameter: 0.075 inches nominal
Grip Diameter: 0.3737 inches minimum and 0.3742 inches maximum
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.672 inches minimum and 0.703 inches maximum
Hole Quantity: 1
Hole Type: drilled
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Hole Configuration Style: hexagon longitudinal hole
Material: steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4037 or steel comp 4130 or steel comp 4140 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec all treatment responses 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
AN176H52A	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-405-2549?

The FSCG of the NSN 5306-00-405-2549 is 5306

Does NSN 5306-00-405-2549 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 5306-00-405-2549 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-405-2549 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 5306-00-405-2549 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Apr 7, 1971