MS21064L4-11

View detailed technical data, stock status, and sourcing information for: MS21064L4-11
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-003-4268

Item Name Code

01864

Assigment Date

04/23/1975 (51 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

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

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: 1.365 inches minimum and 1.385 inches maximum
Nut Counterbore Depth: 0.062 inches minimum nut
Temp Rating: 450.0 fahrenheit maximum
Nut Quantity: 52
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

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
MS21064L4-11	Gang C Self-Locking Nut Assembly

FAQs

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

What is the FSCG of the NSN 5310-01-003-4268?

The FSCG of the NSN 5310-01-003-4268 is 5310

Does NSN 5310-01-003-4268 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 5310-01-003-4268 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-003-4268 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 5310-01-003-4268 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Wed, Apr 23, 1975