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5310-00-068-4740

Find complete technical information, availability, and procurement data for: 5310-00-068-4740

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5310-00-068-4740
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-068-4740
Item Name Code
01857
Assigment Date
01/01/1963 (63 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.)

0.490 inches minimum and 0.510 inches maximum nut counterbore diameter, hexagon nut style, right-hand thread direction, 3b thread class, 0.160 inches minimum and 0.200 inches maximum nut height

Product Characteristics

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

Thread Class
3b
Thread Direction
right-hand
Counterbore Diameter
0.490 inches minimum and 0.510 inches maximum nut
Nut Style
hexagon
Nut Height
0.160 inches minimum and 0.200 inches maximum
Drilled Hole Diameter
0.070 inches nominal
Hole Type And Quantity
3 drilled
Width Across Flats
0.741 inches minimum and 0.752 inches maximum
Thread Series
unf
Thread Quantity Per Inch
20
Nominal Thread Size
0.500 inches
Hole Configuration Style
configuration b
Countersink Angle
89.0 degrees minimum and 91.0 degrees maximum nut
Bearing Surface Type
chamfered
Bearing Surface Finish
125.0 microinches
Material
steel comp 8740 overall
Material Document And Classification
ams 6322 assn std single material response overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
ams 2400 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
6815294 Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-068-4740?
The FSCG of the NSN 5310-00-068-4740 is 5310
Does the NSN 5310-00-068-4740 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-068-4740 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 5310-00-068-4740 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-068-4740 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 5310-00-068-4740 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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