The MS21025-16 Castellated Hexagon Machine Nut is designed for secure fastening in machinery and structural applications requiring high torque resistance. Its castellated design allows for locking with a cotter pin or safety wire, ensuring reliable performance in critical environments. Commonly used in aerospace, automotive, and industrial equipment, this nut provides a durable and dependable fastening solution.This component is manufactured to the applicable MS, AN, or NAS specification, ensuring compliance with recognized military and aerospace dimensional, material, and performance requirements. Material certifications, Certificates of Conformance (CoC), and traceability are available where applicable.
hide-Quantity Increment:
1
note-Sold In:
Per Package
note-Units Per Package:
1
spec-Material:
Steel Alloy
note-Note:
Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment.
hide-ItemID:
10501
spec-Thread Size:
1.000"-16
spec-Service Temperature:
450 ºF
note-Industry Standards/Certification:
MS21025
spec-Type:
Castellated Hexagon Nut
spec-Dimension B:
1.25"
spec-Dimension C:
0.5"
spec-Dimension D:
0.25"
spec-Shape:
Hexagon
spec-Thread Pitch:
0.9594
spec-Dimension E:
0.156"
spec-Dimension F:
1.448"
note-Minimum Order Note:
Minimum order is 1. Must order in increments of 1.
note-Inventory Note:
Need additional stock? Call (877) 920-1876 or email
note-California Residents:
Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.