MS21083N06 - Self-Locking Hex Nut
New Surplus, Sold Per Each
A self-locking hex nut is a type of hexagonal nut that is designed to resist loosening due to vibration or movement. It typically features an integrated locking mechanism that prevents it from turning or coming undone once it has been tightened. This locking mechanism can take several forms, such as a nylon insert or a deformed metal design, that either increases friction or mechanically engages with the threads of the bolt or stud, ensuring a secure fit.
MS21083 SERIES
MS standards are developed by the U.S. Department of Defense to ensure uniformity and reliability in military and aerospace components, covering a wide range of specifications for fasteners, connectors, and other critical parts.
Specifications
Treatment (Surface): Cadmium And Chromate Overall Except insert
Material: Plastic Polyamide Locking insert
Material: Steel Nut
Lubrication: Soluble Lubricant
Style (Locking Feature): Prevailing Torque With Nonmetallic insert
Style (Nut): Hexagon
Type (Bearing Surface): Chamfered Or Washer Faced
Thread (Class): 3B
Thread (Direction): Right-Hand
Thread (Quantity Per inch): 32
Thread Size (Nominal): 0.138"
Type (Thread): Unjc
Height (Nut): 0.141"
Temperature Rating: 350.0°F
Width (Flats): 0.305"- 0.313"
Alternate Part Numbers
NSN: 5310-00-905-8451
Unpunctuated: MS21083N06
Aeronautical Standards Group: AN364-632A (CAGE: 88044)
Note: Some part numbers may serve as functional alternatives to the original, offering similar specifications and performance; however, prior verification is recommended to ensure suitability for the intended application.
Potential End Applications
AIRCRAFTS: PHANTOM F-4, STRATOFORTRESS B-52, STRATOLIFTER C/KC-135, HERCULES C-130, DELTA DART F-106, TOMCAT F-14, GALAXY C-5, VIKING S-3B, HAWKEYE E-2C, INTRUDER A-6E, EAGLE F-15, THUNDERBOLT II, A-10, AWACS, E-3A, F-16, T-37, T-38, HORNET F/A-18, PROWLER EA-6B, HARRIER AV-8B, B-1B, HERCULES C-130F, HERCULES KC-130, ORION P-3, SOF (AC-130H, MC-130H, EC-130E, HC-130, MC-130W), C-2A (REPROCURED), ENGINE, F100-PW-100 (F-15A/B/C/D), ENGINE, F100 PW220 (F-15C/D/E), AIRLIFTER C-17A, B-2 BOMBER (ATB)
HELICOPTERS: IROQUOIS UH-1, CHINOOK, CH-47, HH-60U PAVE HAWK, KIOWA OH-58 A & C, COBRA/TOW, AH SERIES, SEA KING H-3, BLACK HAWK UH-60A, SEA KNIGHT H-46, CH-53 D/E, RH-53, LAMPS MARK III, SH-60B, COBRA/ATTACK, AH-1J, UTILITY/SEARCH AND RECOVERY UH-1N, APACHE AH-64, HH-60, H1 ALL VERSIONS, MH-53E, ADVANCE ATTACK, AH-1W, SOF / HH-53J/M PAVE LOW, CARRIER BASED ASW, SH-60F, SEARCH AND RESCUE, HH-60H, USCG SEARCH AND RESCUE, HH-60J
This list is provided for informational purposes only and includes models that may be compatible based on preliminary data. As we continue to gather more information, the list will be updated. If you're unsure about compatibility, do not use this part on your aircraft without confirming compatibility through your repair manuals or other methods.
Product Testing: Every product is inspected for accuracy, quality, and functionality before shipping to ensure it meets our high standards.
Alternate Part Numbers: With the transition from AN to MS and NAS part numbering systems, there are often multiple part numbers that meet the same specifications and performance standards. If only an alternate part number is available, we will contact you to confirm its compatibility with your application. We strongly recommend consulting the appropriate repair manuals to ensure accuracy before using an alternate part.
Model Compatibility: We are committed to providing accurate and up-to-date compatibility information for our parts. While the listed models reflect verified applications, this list is continually expanding. If your model isn’t listed, it may still be compatible, and we encourage you to consult your repair manuals to verify the required part number before placing an order. Additionally, if you believe a model should be listed, please contact us so we can update our records accordingly.
Condition: New Surplus - These parts are classified as new and unused, meaning they have not been installed or placed into service. However, they come without traceability or original manufacturer certifications, which might be required for certain high-level regulatory uses. Our company provides its own Certificate of Conformance (CoC) as a statement of assurance that the parts are in good working condition and have been sourced from reliable channels. These are ideal when the focus is on cost-effectiveness without compromising on quality.
Unit of Sale: Sold Per Each - This item is sold individually, with the price listed for a single unit. Perfect for purchasing the exact quantity needed without the requirement to buy in bulk. For larger quantities, consider reviewing any available bulk pricing options.
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