MS21043-04
ESNA
The ESNA MS21043-04 is a self-locking extended washer nut with a 4-40 UNJC thread. It is constructed from corrosion and heat-resistant steel with a silver plating.
| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
20 pcs
|
20 pcs | On Request | 1 | On Request | On Request | 10+ | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Locking Feature | |
| Material | |
| Temperature Rating | |
| Thread Size |
The MS21043-04 is a self-locking extended washer nut from QPL, designed for demanding applications. This nut features a 4-40 thread size with a 3B thread class and 40 TPI, ensuring a secure fit.
Constructed from iron alloy 660, it meets AMS 5525 or AMS 5735 material specifications. The nut is silver plated according to QQ-S-365 or AMS 2410 standards, offering corrosion and heat resistance. It has a prevailing torque, all-metal design for reliable locking.
Key mechanical dimensions include a width across flats between 0.15 and 0.158 inches, an overall height between 0.103 and 0.125 inches, and a washer outside diameter of 0.206 inches with a thickness of 0.01 inches. The component is rated for temperatures up to 800 degrees Fahrenheit and has an axial strength of 760 lbs minimum.
This nut is supplied with a soluble lubricant and is packaged in quantities of 50.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
0.112-40 UNJC-3B.
Iron alloy 660 per AMS 5525 or AMS 5735.
800°F.
760 lbs minimum.
Silver plating per QQ-S-365 or AMS 2410.
Yes, prevailing torque all-metal design.