ST3M725C6M

View detailed technical data, stock status, and sourcing information for: ST3M725C6M
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-133-5837

Item Name Code

05280

Assigment Date

06/16/1982 (44 years ago)

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

3b thread class, prevailing torque all metal design locking feature, dry film lubricant lubrication, right-hand thread direction, 0.437 inches minimum first end counterbore diameter

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
Locking Feature: prevailing torque all metal design
Counterbore Diameter: 0.437 inches minimum first end
Lubrication: dry film lubricant
Mounting Hole Diameter: 0.130 inches minimum and 0.135 inches maximum
Nut Style: plate
Nut Length: 1.292 inches maximum
Nut Height: 0.630 inches maximum
Plate Thickness: 0.027 inches minimum and 0.037 inches maximum
Plate Width: 0.770 inches maximum
Nut Counterbore Depth: 0.261 inches minimum first end
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.495 inches minimum and 0.505 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 0.998 inches minimum and 1.002 inches maximum
Thread Series: unjf
Features Provided: floating nut
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5525 assn std single material response or ams 5735 assn std single material response overall
Surface Treatment: passivate 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
10109686	Plate Self-Locking Nut
BFN725C6M	Plate Self-Locking Nut
F50405-6	Plate Self-Locking Nut
ST3M725C6M	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-133-5837?

The FSCG of the NSN 5310-01-133-5837 is 5310

Does the NSN 5310-01-133-5837 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-133-5837 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 5310-01-133-5837 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-133-5837 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 5310-01-133-5837 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Jun 16, 1982