MS21079-4-8

View detailed technical data, stock status, and sourcing information for: MS21079-4-8
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-939-0928

Item Name Code

01864

Assigment Date

11/27/1965 (60 years ago)

72.000 inches nominal overall length, 3b thread class, prevailing torque with nonmetallic insert locking feature, right-hand thread direction, 0.518 inches maximum overall width

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 with nonmetallic insert
Overall Length: 72.000 inches nominal
Overall Width: 0.518 inches maximum
Nut Style: gang channel, self locking
Channel Style: straight type
Assembly Overall Height: 0.283 inches minimum and 0.393 inches maximum
Channel Height: 0.270 inches maximum
Nut Spacing: 1.000 inches nominal
Nut Quantity: 72
Thread Series: unf
Features Provided: floating nut
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Countersink Angle: 88.0 degrees minimum and 102.0 degrees maximum nut
Material: aluminum alloy channel
Material: plastic polyamide (nylon) locking insert
Material: steel nut
Surface Treatment: cadmium and chromate nut

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-638-4700	No Name Available	10/01/1982

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
MS21079-4-8	Gang C Self-Locking Nut Assembly

FAQs

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

What is the FSCG of the NSN 5310-00-939-0928?

The FSCG of the NSN 5310-00-939-0928 is 5310

Does NSN 5310-00-939-0928 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 5310-00-939-0928 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-939-0928 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 5310-00-939-0928 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Sat, Nov 27, 1965