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5310-00-939-2653

Find complete technical information, availability, and procurement data for: 5310-00-939-2653

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5310-00-939-2653
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-939-2653
Item Name Code
01857
Assigment Date
11/16/1965 (60 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, right-hand thread direction, 0.212 inches minimum and 0.226 inches maximum nut height, hexagon nut style, 0.4280 inches minimum and 0.4375 inches maximum width across flats

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
0.212 inches minimum and 0.226 inches maximum
Width Across Flats
0.4280 inches minimum and 0.4375 inches maximum
Thread Series
unc
Thread Quantity Per Inch
20
Nominal Thread Size
0.250 inches
Bearing Surface Type
chamfered or washer faced
Material
copper alloy 462 or copper alloy 464 overall
Material Document And Classification
qq-b-637,comp 4 fed spec 1st material response or qq-b-637,comp 1 fed spec 2nd material response overall
Surface Treatment
black oxide overall
Surface Treatment Document And Classification
mil-f-495 mil spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5310-00-011-4379 No Name Available 09/01/2023
5310-00-011-8557 No Name Available 09/01/2023
5310-00-012-4562 No Name Available 10/01/1982
5310-00-511-8091 No Name Available 11/17/1971
5310-00-543-4971 No Name Available 11/01/1983
5310-00-582-9073 No Name Available 09/01/2023

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
06A8165048 Hexagon Plain Nut
06A8165051 ITEM 3 Hexagon Plain Nut
114379 Hexagon Plain Nut
5310005434971 Hexagon Plain Nut
5310009392653 Hexagon Plain Nut
804736 Hexagon Plain Nut
AEN04C250000BE2A11 Hexagon Plain Nut
F334 Hexagon Plain Nut
MS51969-1 Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-939-2653?
The FSCG of the NSN 5310-00-939-2653 is 5310
Does the NSN 5310-00-939-2653 have a Schedule B code assigned?
Yes, the Schedule B code is 7415290000
Does NSN 5310-00-939-2653 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 5310-00-939-2653 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-939-2653 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 5310-00-939-2653 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Tue, Nov 16, 1965

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