The Castellated Nut MS17825-7 is a specialized fastener designed for securing components in high-stress industrial applications. Its unique notched design allows for locking with a cotter pin, ensuring reliable torque retention in machinery and structural assemblies. Commonly used in automotive, aerospace, and heavy equipment industries, it provides enhanced safety and stability in critical fastening points.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-Asset:
2898P
hide-Quantity Increment:
1
note-Sold In:
Per Package
note-Units Per Package:
1
note-Note:
Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment.
hide-ItemID:
65591
spec-Thread Size:
7/16"-20
note-Industry Standards/Certification:
MIL-S-8879|MS17825
spec-Minimum Dimension A:
0.438"
spec-Type:
Self-Locking Castellated Nut
spec-Thread MIL-S-8879:
0.4375-20
spec-Minimum Ultimate Tensile Strength:
12200 lb
spec-Minimum Test Wrenching Torque:
575 in·lb
spec-Maximum Dimension A:
0.468"
spec-Minimum Dimension B:
0.679"
spec-Minimum Dimension C:
0.766"
spec-Maximum Dimension B:
0.69"
hide-Part # Unpunctuated:
MS178257
note-Minimum Order Note:
Minimum order is 5. 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.