AN173DD12

View detailed technical data, stock status, and sourcing information for: AN173DD12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-166-1704

Item Name Code

27851

Assigment Date

11/08/1983 (42 years ago)

3a thread class, right-hand thread direction, 0.374 inches minimum and 0.453 inches maximum thread length, 1.265 inches minimum and 1.312 inches maximum fastener length, hexagon 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: 3a
Thread Direction: right-hand
Thread Length: 0.374 inches minimum and 0.453 inches maximum
Fastener Length: 1.265 inches minimum and 1.312 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
Grip Diameter: 0.1889 inches minimum and 0.1894 inches maximum
Shank Unthreaded Hole Diameter: 0.070 inches nominal first hole
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.859 inches minimum and 0.891 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 62000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.025 inches minimum and 1.157 inches maximum first hole
Surface Finish: 63.0 microinches bearing surface of head
Surface Finish: 63.0 microinches grip
Material: aluminum alloy 6061 or aluminum alloy 2024 or aluminum alloy overall
Surface Treatment: oxide film or anodize overall
Surface Treatment Document And Classification: mil-c-5541 mil spec 1st treatment response or mil-a-8625 mil spec 2nd treatment response 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
AN173DD12	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-166-1704?

The FSCG of the NSN 5306-01-166-1704 is 5306

Does the NSN 5306-01-166-1704 have a Schedule B code assigned?

Yes, the Schedule B code is 7616106000

Does NSN 5306-01-166-1704 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 5306-01-166-1704 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-166-1704 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 5306-01-166-1704 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Nov 8, 1983