NAS1228-18L

View detailed technical data, stock status, and sourcing information for: NAS1228-18L
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-245-7195

Item Name Code

15903

Assigment Date

12/03/1986 (39 years ago)

dished hexagon head style, right-hand thread direction, 1.845 inches minimum and 1.875 inches maximum fastener length, 3a thread class, 0.710 inches minimum and 0.760 inches maximum thread 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: 0.710 inches minimum and 0.760 inches maximum
Fastener Length: 1.845 inches minimum and 1.875 inches maximum
Head Style: dished hexagon
Head Height: 0.250 inches minimum and 0.265 inches maximum
Width Between Flats: 0.741 inches minimum and 0.752 inches maximum
Locking Feature: strip threads
Grip Diameter: 0.4985 inches minimum and 0.4995 inches maximum
Nominal Thread Diameter: 0.500 inches
Grip Length: 1.115 inches minimum and 1.135 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Surface Finish: 32.0 microinches threads
Surface Finish: 63.0 microinches bearing surface of head
Surface Finish: 63.0 microinches grip
Material: steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 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: unjf
Specification/Standard Data: 80205-nas1228 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
NAS1228-18L	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-245-7195?

The FSCG of the NSN 5306-01-245-7195 is 5306

Does the NSN 5306-01-245-7195 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-245-7195 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 5306-01-245-7195 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-245-7195 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 5306-01-245-7195 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Dec 3, 1986