AN175C27A

View detailed technical data, stock status, and sourcing information for: AN175C27A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-650-6646

Item Name Code

27851

Assigment Date

01/01/1963 (63 years ago)

3a thread class, 2.953 inches minimum and 3.000 inches maximum fastener length, hexagon head style, 0.499 inches minimum and 0.578 inches maximum thread length, 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: 0.499 inches minimum and 0.578 inches maximum
Fastener Length: 2.953 inches minimum and 3.000 inches maximum
Head Style: hexagon
Head Height: 0.172 inches minimum and 0.204 inches maximum
Width Between Flats: 0.490 inches minimum and 0.502 inches maximum
Grip Diameter: 0.3112 inches minimum and 0.3117 inches maximum
Nominal Thread Diameter: 0.312 inches
Grip Length: 2.422 inches minimum and 2.454 inches maximum
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
Surface Finish: 63.0 microinches bearing surface of head
Surface Finish: 63.0 microinches grip
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
AN175C27A	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-650-6646?

The FSCG of the NSN 5306-00-650-6646 is 5306

Does the NSN 5306-00-650-6646 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-650-6646 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 5306-00-650-6646 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-650-6646 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 5306-00-650-6646 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963