AN173CH7A

View detailed technical data, stock status, and sourcing information for: AN173CH7A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-807-4097

Item Name Code

27851

Assigment Date

01/01/1962 (64 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

0.375 inches minimum and 0.453 inches maximum thread length, 0.891 inches minimum and 0.938 inches maximum fastener length, hexagon head style, 3a thread class, 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: 3a
Thread Direction: right-hand
Thread Length: 0.375 inches minimum and 0.453 inches maximum
Fastener Length: 0.891 inches minimum and 0.938 inches maximum
Head Style: hexagon
Head Height: 0.109 inches minimum and 0.141 inches maximum
Width Between Flats: 0.365 inches minimum and 0.377 inches maximum
Hole Diameter: 0.046 inches nominal
Grip Diameter: 0.1889 inches minimum and 0.1894 inches maximum
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.484 inches minimum and 0.516 inches maximum
Hole Quantity: 1
Hole Type: drilled
Thread Quantity Per Inch: 32
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 flats
Material: steel comp 431 overall
Material Document And Classification: mil-s-18732 mil spec single material response overall
Surface Treatment: passivate 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
AN173CH7A	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-807-4097?

The FSCG of the NSN 5306-00-807-4097 is 5306

Does the NSN 5306-00-807-4097 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-807-4097 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 5306-00-807-4097 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-807-4097 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 5306-00-807-4097 was assigned to the Federal Catalog?

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