MS21064L08-12

View detailed technical data, stock status, and sourcing information for: MS21064L08-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-948-6321

Item Name Code

01864

Assigment Date

04/13/1966 (60 years ago)

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

right-hand thread direction, dry film lubricant lubrication, 0.168 inches minimum nut counterbore diameter, prevailing torque all metal design locking feature, 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: right-hand
Locking Feature: prevailing torque all metal design
Counterbore Diameter: 0.168 inches minimum nut
Lubrication: dry film lubricant
Overall Length: 72.000 inches nominal
Overall Width: 0.416 inches maximum
Nut Style: gang channel, self locking
Channel Style: straight type
Assembly Overall Height: 0.250 inches maximum
Channel Height: 0.250 inches maximum
Nut Spacing: 1.490 inches minimum and 1.510 inches maximum
Nut Counterbore Depth: 0.062 inches minimum nut
Temp Rating: 450.0 fahrenheit maximum
Nut Quantity: 48
Thread Series: unjc
Features Provided: floating nut
Thread Quantity Per Inch: 32
Hardness Rating: 49.0 rockwell c maximum
Nominal Thread Size: 0.164 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

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
MS21064L08-12	Gang C Self-Locking Nut Assembly

FAQs

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

What is the FSCG of the NSN 5310-00-948-6321?

The FSCG of the NSN 5310-00-948-6321 is 5310

Does NSN 5310-00-948-6321 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 5310-00-948-6321 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-948-6321 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 5310-00-948-6321 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Apr 13, 1966