5310-01-158-7838

Find complete technical information, availability, and procurement data for: 5310-01-158-7838
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-158-7838

Item Name Code

01857

Assigment Date

07/29/1983 (42 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.)

0.250 inches nominal nut height, hexagon nut style, 0.069 inches minimum and 0.074 inches maximum drilled hole diameter, left-hand thread direction, 3b thread class

Product Characteristics

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

Thread Class: 3b
Thread Direction: left-hand
Nut Style: hexagon
Nut Height: 0.250 inches nominal
Drilled Hole Diameter: 0.069 inches minimum and 0.074 inches maximum
Hole Type And Quantity: 3 drilled
Width Across Flats: 1.481 inches minimum and 1.502 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 12
Hardness Rating: 34.0 rockwell c minimum and 38.0 rockwell c maximum
Nominal Thread Size: 1.000 inches
Hole Configuration Style: configuration b
Countersink Angle: 110.0 degrees nominal nut
Bearing Surface Type: chamfered
Bearing Surface Finish: 125.0 microinches
Material: steel comp 4130 or steel comp e4340 overall
Material Document And Classification: mil-s-6758,cond d1 or d4 or f4 mil spec 1st material response or mil-s-5000,cond c1 or c4 mil spec 2nd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Specification/Standard Data: 80205-nas1423 professional/industrial association standard

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
NAS1423-16LH	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-158-7838?

The FSCG of the NSN 5310-01-158-7838 is 5310

Does the NSN 5310-01-158-7838 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-158-7838 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 5310-01-158-7838 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-158-7838 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 5310-01-158-7838 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Fri, Jul 29, 1983