NAS428H4A13

View detailed technical data, stock status, and sourcing information for: NAS428H4A13
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-286-3302

Item Name Code

01847

Assigment Date

01/01/1963 (63 years ago)

3a thread class, 1.375 inches nominal fastener length, 1.313 inches minimum and 1.344 inches maximum thread length, crowned hexagon head style, 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: 1.313 inches minimum and 1.344 inches maximum
Fastener Length: 1.375 inches nominal
Head Style: crowned hexagon
Head Height: 0.141 inches nominal
Width Between Flats: 0.438 inches nominal
Hole Diameter: 0.046 inches nominal
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.031 inches minimum and 0.062 inches maximum
Hole Quantity: 1
Hole Type: drilled
Features Provided: finished head
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Hole Configuration Style: hexagon flats
Material: steel comp 4037 or steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 8740 or steel comp 4140 overall
Material Document And Classification: mil-b-6812 mil spec all material responses 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

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-637-8725	No Name Available	01/01/1960

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
NAS428H4-13	Machine Bolt
NAS428H4A13	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-286-3302?

The FSCG of the NSN 5306-00-286-3302 is 5306

Does the NSN 5306-00-286-3302 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-286-3302 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 5306-00-286-3302 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-286-3302 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 5306-00-286-3302 was assigned to the Federal Catalog?

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