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5306-00-721-3533

Find complete technical information, availability, and procurement data for: 5306-00-721-3533

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5306-00-721-3533
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-721-3533
Item Name Code
15903
Assigment Date
01/01/1963 (63 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

right-hand thread direction, 4.119 inches nominal fastener length, 3a thread class, 0.619 inches minimum thread length, double hexagon w/hole 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
0.619 inches minimum
Fastener Length
4.119 inches nominal
Head Style
double hexagon w/hole
Head Height
0.388 inches nominal
Width Between Flats
0.430 inches minimum and 0.439 inches maximum
Extended Washer Diameter
0.644 inches nominal
Extended Washer Thickness
0.091 inches nominal
Grip Diameter
0.3735 inches minimum and 0.3745 inches maximum
Nominal Thread Diameter
0.375 inches
Grip Length
3.500 inches nominal
Thread Quantity Per Inch
24
Minimum Tensile Strength
180000 pounds per square inch
Hardness Rating
39.0 rockwell c minimum and 43.0 rockwell c maximum overall
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 overall
Surface Treatment Document And Classification
nas 672 assn std single treatment response overall
Thread Series Designator
unf
Specification/Standard Data
80205-nas626 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
NAS626-56 Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-721-3533?
The FSCG of the NSN 5306-00-721-3533 is 5306
Does the NSN 5306-00-721-3533 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-721-3533 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 5306-00-721-3533 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-721-3533 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 5306-00-721-3533 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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