5306-01-170-3185

Find complete technical information, availability, and procurement data for: 5306-01-170-3185
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-170-3185

Item Name Code

27851

Assigment Date

01/23/1984 (42 years ago)

undercut hexagon head style, 0.364 inches minimum and 0.414 inches maximum thread length, right-hand thread direction, 2.374 inches minimum and 2.404 inches maximum fastener length, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.364 inches minimum and 0.414 inches maximum
Fastener Length: 2.374 inches minimum and 2.404 inches maximum
Head Style: undercut hexagon
Head Height: 0.125 inches minimum and 0.140 inches maximum
Width Between Flats: 0.430 inches minimum and 0.439 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Shank Unthreaded Hole Diameter: 0.066 inches minimum and 0.086 inches maximum first hole
Nominal Thread Diameter: 0.250 inches
Grip Length: 1.990 inches minimum and 2.010 inches maximum
Thread Quantity Per Inch: 28
Distance From Head Largest Bearing Surface To Shank Hole Center: 2.248 inches minimum and 2.298 inches maximum first hole
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: iron alloy 660 overall
Material Document And Classification: ams5737 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single 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
BACB30LJ4D32	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-170-3185?

The FSCG of the NSN 5306-01-170-3185 is 5306

Does the NSN 5306-01-170-3185 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-170-3185 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 5306-01-170-3185 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-170-3185 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 5306-01-170-3185 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, Jan 23, 1984