NAS1304-50DH

View detailed technical data, stock status, and sourcing information for: NAS1304-50DH
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-947-7020

Item Name Code

15903

Assigment Date

03/30/1966 (60 years ago)

0.425 inches minimum thread length, 3.550 inches nominal fastener length, dished hexagon head style, right-hand thread direction, 3a thread class

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: 0.425 inches minimum
Fastener Length: 3.550 inches nominal
Head Style: dished hexagon
Head Height: 0.125 inches nominal
Width Between Flats: 0.430 inches minimum and 0.439 inches maximum
Hole Diameter: 0.046 inches nominal
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches nominal first hole
Nominal Thread Diameter: 0.250 inches
Grip Length: 3.125 inches nominal
Hole Quantity: 3
Hole Type: drilled
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Hole Configuration Style: hexagon corners
Distance From Head Largest Bearing Surface To Shank Hole Center: 3.372 inches nominal first hole
Material: steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th 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: unf
Specification/Standard Data: 80205-nas1304 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
NAS1304-50DH	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-947-7020?

The FSCG of the NSN 5306-00-947-7020 is 5306

Does the NSN 5306-00-947-7020 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-947-7020 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 5306-00-947-7020 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-947-7020 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 5306-00-947-7020 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Mar 30, 1966