476-01138 ITEM 66

View detailed technical data, stock status, and sourcing information for: 476-01138 ITEM 66
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-423-6665

Item Name Code

01857

Assigment Date

01/05/1996 (30 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.)

0.750 inches nominal thread size, 10 thread quantity per inch, 2b thread class, left-hand thread direction, unc thread series

Product Characteristics

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

Thread Class: 2b
Thread Direction: left-hand
Thread Series: unc
Thread Quantity Per Inch: 10
Nominal Thread Size: 0.750 inches
Material: copper alloy 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
021-11608	Hexagon Plain Nut
021-11608A	Hexagon Plain Nut
476-01138 ITEM 66	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-423-6665?

The FSCG of the NSN 5310-01-423-6665 is 5310

Does the NSN 5310-01-423-6665 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-01-423-6665 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 5310-01-423-6665 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-423-6665 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 5310-01-423-6665 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Jan 5, 1996