NAS428-6-32

View detailed technical data, stock status, and sourcing information for: NAS428-6-32
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-625-5816

Item Name Code

01847

Assigment Date

01/01/1961 (65 years ago)

right-hand thread direction, 3a thread class, 3.188 inches minimum and 3.281 inches maximum thread length, 3.250 inches minimum and 3.312 inches maximum fastener length, crowned 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: 3.188 inches minimum and 3.281 inches maximum
Fastener Length: 3.250 inches minimum and 3.312 inches maximum
Head Style: crowned hexagon
Head Height: 0.193 inches minimum and 0.213 inches maximum
Width Between Flats: 0.553 inches minimum and 0.565 inches maximum
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.031 inches minimum and 0.062 inches maximum
Features Provided: finished head
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
Material: steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or mil-s 6050 mil spec 3rd material response or mil-s-6098 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 or chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 fed spec all treatment responses overall
Thread Series Designator: unf
Specification/Standard Data: 80205-nas428 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
NAS428-6-32	Machine Bolt
NAS428-6A-32	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-625-5816?

The FSCG of the NSN 5306-00-625-5816 is 5306

Does the NSN 5306-00-625-5816 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-625-5816 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 5306-00-625-5816 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-625-5816 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 5306-00-625-5816 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961