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5306-01-055-3790

Find complete technical information, availability, and procurement data for: 5306-01-055-3790

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5306-01-055-3790
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-01-055-3790
Item Name Code
15903
Assigment Date
02/04/1978 (48 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

right-hand thread direction, 3a thread class, 0.620 inches minimum and 0.650 inches maximum fastener length, dished hexagon head style, 0.298 inches minimum and 0.348 inches maximum thread length

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
0.298 inches minimum and 0.348 inches maximum
Fastener Length
0.620 inches minimum and 0.650 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
Hole Diameter
0.051 inches nominal
Grip Diameter
0.1885 inches minimum and 0.1895 inches maximum
Nominal Thread Diameter
0.190 inches
Grip Length
0.302 inches minimum and 0.322 inches maximum
Hole Quantity
3
Hole Type
drilled
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
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
steel comp e4340 or steel comp 8740 overall
Material Document And Classification
mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416 ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator
unjf
Specification/Standard Data
80205-nas6203 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
5306-00-286-1469 No Name Available 06/01/1997
5306-00-720-8092 No Name Available 06/01/1997

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
5306PL0894739 Shear Bolt
NAS6203-5H Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-055-3790?
The FSCG of the NSN 5306-01-055-3790 is 5306
Does the NSN 5306-01-055-3790 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-01-055-3790 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 5306-01-055-3790 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-01-055-3790 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 5306-01-055-3790 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Sat, Feb 4, 1978

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