MS19068-192

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MS19068-192
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-165-8373
Item Name Code
15887
Assigment Date
12/08/1971 (54 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

right-hand thread direction, round nut style, +3.6759 to 3.6833 inches thread pitch diameters, 0.156 inches nominal drive point depth, 4.922 inches minimum and 4.942 inches maximum nut diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Pitch Diameters
+3.6759 to 3.6833 inches
Thread Direction
right-hand
Drive Point Depth
0.156 inches nominal
Nut Style
round
Nut Diameter
4.922 inches minimum and 4.942 inches maximum
Nut Thickness
0.709 inches minimum and 0.729 inches maximum
Drive Point Width
0.360 inches minimum and 0.385 inches maximum
Drive Point Quantity
4
Thread Series
uns
Thread Quantity Per Inch
12
Hardness Rating
66.0 rockwell b minimum and 92.0 rockwell b maximum
Nominal Thread Size
3.750 inches
Countersink Angle
60.0 degrees minimum and 90.0 degrees maximum first end
Countersink Angle
60.0 degrees minimum and 90.0 degrees maximum second end
Material
steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1035 overall
Material Document And Classification
66 fed std all material responses overall
Surface Treatment
zinc and chromate overall
Surface Treatment Document And Classification
astm b633,ty 2,cl 3 assn std single treatment response overall

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
MS19068-192 Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-165-8373?
The FSCG of the NSN 5310-00-165-8373 is 5310
Does the NSN 5310-00-165-8373 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-165-8373 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 5310-00-165-8373 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-165-8373 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 5310-00-165-8373 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Wed, Dec 8, 1971

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