526-5330330-11

View detailed technical data, stock status, and sourcing information for: 526-5330330-11

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526-5330330-11
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-144-1644
Item Name Code
01857
Assigment Date
12/15/1982 (43 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.)

20.0 millimeters nominal nut height, iso m thread series, 79.5 millimeters minimum and 80.0 millimeters maximum width across flats, right-hand thread direction, hexagon nut style

Product Characteristics

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

Thread Direction
right-hand
Nut Style
hexagon
Nut Height
20.0 millimeters nominal
Width Across Flats
79.5 millimeters minimum and 80.0 millimeters maximum
Thread Series
iso m
Nominal Thread Size
62.0 millimeters
Thread Pitch In Millimeters
4.00
Countersink Angle
120.0 degrees nominal both ends
Bearing Surface Type
flat
Thread Tolerance Class
4h5h internal
Part Name Assigned By Controlling Agency
navy special project

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
526-5330330-11 Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-144-1644?
The FSCG of the NSN 5310-01-144-1644 is 5310
Does NSN 5310-01-144-1644 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 5310-01-144-1644 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-144-1644 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 5310-01-144-1644 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Wed, Dec 15, 1982

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