MS21064L4-7

View detailed technical data, stock status, and sourcing information for: MS21064L4-7
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-498-0612

Item Name Code

01864

Assigment Date

10/10/1969 (56 years ago)

An item composed of a specially designed channel and a series of nuts having integral self-locking features assembled in predetermined spacing.

3b thread class, 0.254 inches minimum nut counterbore diameter, prevailing torque all metal design locking feature, dry film lubricant lubrication, right-hand thread direction

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: 0.254 inches minimum nut
Lubrication: dry film lubricant
Overall Length: 72.000 inches nominal
Overall Width: 0.516 inches maximum
Nut Style: gang channel, self locking
Channel Style: straight type
Assembly Overall Height: 0.281 inches maximum
Channel Height: 0.281 inches maximum
Nut Spacing: 0.865 inches minimum and 0.885 inches maximum
Nut Counterbore Depth: 0.062 inches minimum nut
Temp Rating: 450.0 fahrenheit maximum
Nut Quantity: 82
Thread Series: unjf
Features Provided: floating nut
Thread Quantity Per Inch: 28
Hardness Rating: 49.0 rockwell c maximum
Nominal Thread Size: 0.250 inches
Material: steel corrosion resisting channel
Material: steel nut
Surface Treatment: cadmium nut
Surface Treatment: passivate channel
Surface Treatment Document And Classification: qq-p-416 fed spec single treatment response nut

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-439-5042	No Name Available	09/01/1997
5310-00-702-1486	No Name Available	05/01/1997

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
MS21064L4-7	Gang C Self-Locking Nut Assembly
MS21064L4-7-4	Gang C Self-Locking Nut Assembly

FAQs

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

What is the FSCG of the NSN 5310-00-498-0612?

The FSCG of the NSN 5310-00-498-0612 is 5310

Does the NSN 5310-00-498-0612 have a Schedule B code assigned?

Yes, the Schedule B code is 7318190000

Does NSN 5310-00-498-0612 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 5310-00-498-0612 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-498-0612 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 5310-00-498-0612 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Oct 10, 1969