5306-01-166-8555

Find complete technical information, availability, and procurement data for: 5306-01-166-8555
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-166-8555

Item Name Code

15903

Assigment Date

11/18/1983 (42 years ago)

A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.

3a thread class, dished hexagon head style, 3.548 inches minimum and 3.578 inches maximum fastener length, 0.413 inches minimum and 0.463 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: 0.413 inches minimum and 0.463 inches maximum
Fastener Length: 3.548 inches minimum and 3.578 inches maximum
Head Style: dished hexagon
Head Height: 0.156 inches minimum and 0.171 inches maximum
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum
Grip Diameter: 0.3110 inches minimum and 0.3120 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.086 inches maximum first hole
Nominal Thread Diameter: 0.312 inches
Grip Length: 3.115 inches minimum and 3.135 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 3.356 inches minimum and 3.406 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: ams5731 assn std single material response or 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: unjf
Specification/Standard Data: 80205-nas6305 professional/industrial association standard

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
NAS6305-50D	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-166-8555?

The FSCG of the NSN 5306-01-166-8555 is 5306

Does the NSN 5306-01-166-8555 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-166-8555 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 5306-01-166-8555 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-166-8555 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 5306-01-166-8555 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Fri, Nov 18, 1983