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Approvals and Conformities
NSN
5310-00-881-0944
Alternate PN#s
938.07.68.406, MS21043C5, NASM21043-5
Product Attributes
![](/content/flags/flag-of-united-states.png)
United States
Shipping Weight
0.001 pounds
ECCN
EAR99
Manufacturer P/N
MS21043-5
Schedule B Code
7318.16.0000
Pack Quantity
1
Ship Dimensions
1 x 1 x 1 inches
Series
MS21043
Thread
5/16-24
Width
0.378
Height
0.266
Material
Corrosion Resistant Steel
As the name indicates, the MS21043 is a self-locking nut made of corrosion resistant steel (CRES). More information on this particular nut can be found in the accompanying list. Thread Class: 3B Thread Direction: Right-Hand Locking Feature: Prevailing Torque All Metal Design Washer Outside Diameter: 0.520 Inches Maximum Lubrication: Soluble Lubricant Overall Height: 0.251 Inches Minimum And 0.266 Inches Maximum Nut Style: Hexagon Washer Thickness: 0.023 Inches Minimum Width Across Flats: 0.367 Inches Minimum And 0.378 Inches Maximum Temp Rating: 800.0 Deg Fahrenheit Nominal Thread Series: Unjf Thread Quantity Per Inch: 24 Nominal Thread Size: 0.312 Inches Material: Iron Alloy 660 Overall Material Document And Classification: Ams 5525 Assn Std Single Material Response Overall Or Ams 5735 Assn Std Single Material Response Overall Precious Material And Location: External Surface Silver Surface Treatment: Silver Overall Surface Treatment Document And Classification: Qq-S-365 Fed Spec Single Treatment Response Overall Or Ams 2410 Assn Std Single Treatment Response Overall