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5310-00-266-0389

Find complete technical information, availability, and procurement data for: 5310-00-266-0389

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5310-00-266-0389
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-266-0389
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.)

2b thread class, 0.922 inches minimum and 0.938 inches maximum width across flats, 0.535 inches minimum and 0.559 inches maximum nut height, hexagon nut style, right-hand thread direction

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
right-hand
Nut Style
hexagon
Nut Height
0.535 inches minimum and 0.559 inches maximum
Width Across Flats
0.922 inches minimum and 0.938 inches maximum
Thread Series
unc
Thread Quantity Per Inch
11
Nominal Thread Size
0.625 inches
Bearing Surface Type
chamfered or washer faced
Material
steel overall
Nondefinitive Spec/Std Data
2 type and 13 style

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
16A4C7FM2 Hexagon Plain Nut
17A4C7 Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-266-0389?
The FSCG of the NSN 5310-00-266-0389 is 5310
Does the NSN 5310-00-266-0389 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-266-0389 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 5310-00-266-0389 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-266-0389 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 5310-00-266-0389 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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