Alcoa Global Fasteners Inc. - Extended Self-Locking Washer Nut - MS21043-3
Genuine OEM Part
Description: Extended Self-Locking Washer Nut
Part Number: MS21043-3
Alternate Part Numbers: 10121763, 2523107, 2529611, 502B69-4, 525-595-9005, 525-628-90104, 5310008443302, 5310PL0141541, 645403-3, 754/4/30407/010, 819501-6, 8921721 ITEM 6, 9033816, 938.07.68.404, 99148348, B70159, BH00204-3, FN1014-1032, H41-3, J626P05F, LH3858-02, MN19-3, MS21043C3, NAS1291C3, P146007004, S100-13T1032, T99C1032
Product Overview
A nut having 6 flat sides and an integral washer that extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Item Specification
| Thread Class | 3B | |
| Thread Direction | Right-hand | |
| Locking Feature | Prevailing torque all metal design | |
| Washer Outside Diameter | 0.330 inches maximum | |
| Overall Height | 0.154 inches minimum and 0.188 inches maximum | |
| Nut Style | Hexagon | |
| Washer Thickness | 0.015 inches minimum | |
| End Item Identification | Armored multi-purpose vehicle (ampv) | |
| Width Across Flats | 0.243 inches minimum and 0.252 inches maximum | |
| Temp Rating | 800.0 deg fahrenheit maximum | |
| Thread Series | UNF | |
| Thread Quantity per Inch | 32 | |
| Nominal Thread Size | 0.190 inches | |
| Material | Iron alloy 660 overall | |
| Material Document and Classification | AMS5525 assn std single material response or 5735 assn std single material response overall | |
| Precious Material and Location | O/a silver | |
| Precious Material | Silver | |
| Surface Treatment | Silver overall | |
| Surface Treatment Document and Classification | QQ-S-365 fed spec single treatment response or ams 2410 assn std single treatment response overall |