ST3M658-9

View detailed technical data, stock status, and sourcing information for: ST3M658-9
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-263-8504

Item Name Code

01857

Assigment Date

09/20/1987 (38 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.)

hexagon nut style, 3b thread class, right-hand thread direction, 0.046 inches nominal drilled hole diameter, 0.375 inches nominal nut height

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: right-hand
Nut Style: hexagon
Nut Height: 0.375 inches nominal
Drilled Hole Diameter: 0.046 inches nominal
Hole Type And Quantity: 3 drilled
Width Across Flats: 0.875 inches nominal
Thread Series: unjef
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.562 inches
Hole Configuration Style: configuration b
Bearing Surface Type: chamfered
Material: steel comp xm-13 overall
Material Document And Classification: ams 5629 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall

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
ST3M658-9	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-263-8504?

The FSCG of the NSN 5310-01-263-8504 is 5310

Does the NSN 5310-01-263-8504 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-263-8504 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 5310-01-263-8504 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-263-8504 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 5310-01-263-8504 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sun, Sep 20, 1987