NAS428HK4-12

View detailed technical data, stock status, and sourcing information for: NAS428HK4-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-353-0286

Item Name Code

01847

Assigment Date

02/05/1992 (34 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

3a thread class, right-hand thread direction, 1.188 inches minimum and 1.219 inches maximum thread length, 1.250 inches minimum and 1.313 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: 1.188 inches minimum and 1.219 inches maximum
Fastener Length: 1.250 inches minimum and 1.313 inches maximum
Head Style: crowned hexagon
Head Height: 0.141 inches nominal
Width Between Flats: 0.438 inches nominal
Hole Diameter: 0.045 inches minimum and 0.050 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.062 inches minimum and 0.301 inches maximum
Hole Quantity: 1
Hole Type: drilled
Features Provided: finished head
Thread Quantity Per Inch: 28
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Minimum Yield Strength: 125000 pounds per square inch
Hole Configuration Style: hexagon flats
Special Features: slotted shank
Material: steel overall
Surface Treatment: cadmium 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
NAS428HK4-12	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-353-0286?

The FSCG of the NSN 5306-01-353-0286 is 5306

Does the NSN 5306-01-353-0286 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-353-0286 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 5306-01-353-0286 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-353-0286 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 5306-01-353-0286 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Wed, Feb 5, 1992