NAS1958C19D

View detailed technical data, stock status, and sourcing information for: NAS1958C19D
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-700-7623

Item Name Code

15903

Assigment Date

04/12/2022 (4 years ago)

0.735 inches nominal thread length, right-hand thread direction, 3a thread class, 2.158 inches minimum and 2.203 inches maximum fastener length, dished 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: 0.735 inches nominal
Fastener Length: 2.158 inches minimum and 2.203 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
Hole Diameter: 0.070 inches minimum and 0.080 inches maximum
Grip Diameter: 0.4985 inches minimum and 0.4995 inches maximum
Shank Unthreaded Hole Diameter: 0.106 inches minimum and 0.116 inches maximum overall
Nominal Thread Diameter: 0.5000 inches
Grip Length: 1.178 inches minimum and 1.198 inches maximum
Hole Quantity: 3
Hole Type: drilled
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 30900 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Hole Configuration Style: hexagon corners
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.702 inches minimum and 1.712 inches maximum overall
Chamfer Angle: 15.0 degrees nominal
Part Name Assigned By Controlling Agency: bolt, shear, hexagon head, 108 ksi shear, long thread
Special Features: "a286 (uns s66286) per ams5731, ams5732, ams5737 or ams5853. heat treatment: cres - 180 ksi min ultimate tensile; 108 ksi min ultimate shear at room temperature. precipitation harden per ams5853. hardness: alloy steel - 39 - 43 hrc. cres - clean and passivate per ams2700, method 1, class 4. add "d" to dash number for drilled shank. double shear strength lbf min: 42400."
Material: steel corrosion resisting overall
Material Document And Classification: ams5731 international std/spec all material responses or ams5732 international std/spec all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: ams2700 international std/spec all treatment responses overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1953 thru nas1970 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
NAS1953 THRU NAS1970 REV 7	Shear Bolt
NAS1958C19D	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-700-7623?

The FSCG of the NSN 5306-01-700-7623 is 5306

Does the NSN 5306-01-700-7623 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-700-7623 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 5306-01-700-7623 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-700-7623 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 5306-01-700-7623 was assigned to the Federal Catalog?

It was assigned 4 years ago, on Tue, Apr 12, 2022