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5306-00-421-7883

Find complete technical information, availability, and procurement data for: 5306-00-421-7883

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5306-00-421-7883
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-421-7883
Item Name Code
06666
Assigment Date
12/23/1970 (55 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.

0.218 inches minimum and 0.226 inches maximum head diameter, right-hand thread direction, 0.219 inches minimum thread length, 0.594 inches minimum and 0.625 inches maximum fastener length, 3a thread class

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
0.219 inches minimum
Fastener Length
0.594 inches minimum and 0.625 inches maximum
Head Diameter
0.218 inches minimum and 0.226 inches maximum
Head Height
0.134 inches minimum and 0.138 inches maximum
First Diameter From Head
0.089 inches minimum and 0.099 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.375 inches minimum and 0.406 inches maximum
Internal Drive Style
hexagon
Nominal Thread Diameter
0.138 inches
Width Across Flats
0.109 inches minimum and 0.111 inches maximum
Thread Quantity Per Inch
32
Material
steel overall
Material Document And Classification
66 fed std single material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 3 fed spec all treatment responses overall
Thread Series Designator
unc

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
C320000107 Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-421-7883?
The FSCG of the NSN 5306-00-421-7883 is 5306
Does the NSN 5306-00-421-7883 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-421-7883 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 5306-00-421-7883 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-421-7883 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 5306-00-421-7883 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Dec 23, 1970

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