5306-01-251-6355

Find complete technical information, availability, and procurement data for: 5306-01-251-6355
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-251-6355

Item Name Code

15903

Assigment Date

03/21/1987 (39 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

right-hand thread direction, 1.823 inches minimum and 1.853 inches maximum fastener length, 3a thread class, 0.251 inches minimum and 0.301 inches maximum thread 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: 0.251 inches minimum and 0.301 inches maximum
Fastener Length: 1.823 inches minimum and 1.853 inches maximum
Head Style: dished hexagon
Head Height: 0.110 inches minimum and 0.125 inches maximum
Width Between Flats: 0.367 inches minimum and 0.376 inches maximum
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Shank Unthreaded Hole Diameter: 0.070 inches minimum and 0.080 inches maximum first hole
Nominal Thread Diameter: 0.190 inches
Grip Length: 1.552 inches minimum and 1.572 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.706 inches minimum and 1.736 inches maximum first hole
Material: steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1 cl 2 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1103 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
NAS1103-25DW	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-251-6355?

The FSCG of the NSN 5306-01-251-6355 is 5306

Does the NSN 5306-01-251-6355 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-251-6355 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 5306-01-251-6355 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-251-6355 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 5306-01-251-6355 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sat, Mar 21, 1987