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5310-00-637-3631

Find complete technical information, availability, and procurement data for: 5310-00-637-3631

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5310-00-637-3631
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-637-3631
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, 0.617 inches minimum and 0.665 inches maximum nut height, right-hand thread direction, 1.0880 inches minimum and 1.1250 inches maximum width across flats, 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 Class
2b
Thread Direction
right-hand
Nut Style
hexagon
Nut Height
0.617 inches minimum and 0.665 inches maximum
Width Across Flats
1.0880 inches minimum and 1.1250 inches maximum
Temp Rating
1000.0 fahrenheit nominal
Thread Series
unc
Thread Quantity Per Inch
10
Nominal Thread Size
0.750 inches
Bearing Surface Type
chamfered or washer faced
Material
steel overall
Material Document And Classification
grade 4or7 mil spec all material responses nut
Nondefinitive Spec/Std Data
4 grade or 7 grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5310-00-177-0993 No Name Available 02/19/1971
5310-00-579-0608 No Name Available 02/01/1983
5310-01-181-0434 No Name Available 10/01/1986
5310-01-332-1512 No Name Available 07/01/1998

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
522C900312 Hexagon Plain Nut
59A26PC42 Hexagon Plain Nut
E-172-050-590 NUT Hexagon Plain Nut
H-3373 PIECE 08 Hexagon Plain Nut
MS16286-8 Hexagon Plain Nut
SKN06121 PIECE Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-637-3631?
The FSCG of the NSN 5310-00-637-3631 is 5310
Does the NSN 5310-00-637-3631 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-637-3631 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 5310-00-637-3631 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-637-3631 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 5310-00-637-3631 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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