| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
30 pcs
|
30 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Locking Feature | |
| Material | |
| Operating Temperature | |
| Thread Size |
The MS21043-4 from ESNA is a military standard self-locking extended washer nut designed for demanding applications. It features a 1/4-28 UNF thread with a right-hand direction and a 3B thread class.
Constructed from corrosion and heat resistant iron alloy 660, this nut is silver plated for enhanced durability and performance. It has a temperature rating of 800 degrees Fahrenheit and a prevailing torque all-metal locking feature. The nut style is hexagon with a reduced height and a reduced hexagon shape.
Key mechanical specifications include an overall height between 0.205 and 0.219 inches, a width across flats between 0.304 and 0.316 inches, and a washer thickness of 0.019 inches. The washer outside diameter ranges from 0.402 to 0.412 inches. Material specifications adhere to AMS 5525, AMS 5732, or AMS 5737 standards.
This component is suitable for applications requiring reliable fastening in high-temperature and corrosive environments. It is sold in increments of 25 with a minimum order quantity of 25.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.00 | $1.00 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The thread size is 1/4-28 UNF.
The temperature rating is 800 degrees Fahrenheit.
The nut is made from Iron Alloy 660.
The surface treatment is silver.
The minimum order quantity is 25.