5306-00-180-0338

Find complete technical information, availability, and procurement data for: 5306-00-180-0338
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-180-0338

Item Name Code

27851

Assigment Date

01/01/1963 (63 years ago)

3a thread class, right-hand thread direction, hexagon head style, 0.781 inches minimum thread length, 4.219 inches nominal fastener length

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: 0.781 inches minimum
Fastener Length: 4.219 inches nominal
Head Style: hexagon
Head Height: 0.265 inches minimum and 0.297 inches maximum
Width Between Flats: 0.740 inches minimum and 0.752 inches maximum
Grip Diameter: 0.4986 inches minimum and 0.4991 inches maximum
Shank Unthreaded Hole Diameter: 0.106 inches nominal first hole
Nominal Thread Diameter: 0.500 inches
Grip Length: 3.438 inches nominal
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 36.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 4.047 inches nominal first hole
Surface Finish: 63.0 microinches bearing surface of head
Surface Finish: 63.0 microinches grip
Material: steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4140 or steel comp 4130 or steel comp 4037 overall
Material Document And Classification: mil-s-6049 mil spec 1st material response or mil-s-6050 mil spec 2nd material response or mil-s-6098 mil spec 3rd material response or mil-s-5626 mil spec 4th material response or mil-s-6758 mil spec 5th material response or ams 6300 assn std 6th material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 type 2 class 3 fed spec all treatment responses 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
AN178-41	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-180-0338?

The FSCG of the NSN 5306-00-180-0338 is 5306

Does the NSN 5306-00-180-0338 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-180-0338 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 5306-00-180-0338 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-180-0338 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 5306-00-180-0338 was assigned to the Federal Catalog?

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