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5306-01-063-9905

Find complete technical information, availability, and procurement data for: 5306-01-063-9905

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5306-01-063-9905
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-01-063-9905
Item Name Code
15903
Assigment Date
08/16/1978 (47 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

0.429 inches minimum and 0.479 inches maximum thread length, 3a thread class, right-hand thread direction, 0.627 inches minimum and 0.657 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
0.429 inches minimum and 0.479 inches maximum
Fastener Length
0.627 inches minimum and 0.657 inches maximum
Head Style
dished hexagon
Head Height
0.188 inches minimum and 0.203 inches maximum
Width Between Flats
0.554 inches minimum and 0.564 inches maximum
Hole Diameter
0.075 inches nominal
Grip Diameter
0.3740 inches minimum and 0.3745 inches maximum
Nominal Thread Diameter
0.375 inches
Grip Length
0.178 inches minimum and 0.198 inches maximum
Hole Quantity
3
Hole Type
drilled
Thread Quantity Per Inch
24
Minimum Tensile Strength
160000 pounds per square inch
Hole Configuration Style
hexagon corners
Surface Finish
32.0 microinches bearing surface of head
Surface Finish
32.0 microinches grip
Surface Finish
32.0 microinches threads
Material
iron alloy 660 overall
Surface Treatment
passivate overall
Thread Series Designator
unjf
Specification/Standard Data
80205-nas6306 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5306-01-028-0180 No Name Available 09/12/2007

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
NAS6306U3 Shear Bolt
NAS6306U3H Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-063-9905?
The FSCG of the NSN 5306-01-063-9905 is 5306
Does the NSN 5306-01-063-9905 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-01-063-9905 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 5306-01-063-9905 contain precious materials?
Precious metal content is unknown
Does NSN 5306-01-063-9905 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 5306-01-063-9905 was assigned to the Federal Catalog?
It was assigned 47 years ago, on Wed, Aug 16, 1978

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