The Castellated Nut MS17825-9 is a specialized fastener designed for secure locking in machinery and structural assemblies. Its unique notched design allows for easy installation with cotter pins, preventing loosening under vibration and dynamic loads. Commonly used in automotive, aerospace, and industrial equipment, it ensures reliable fastening in critical applications.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:
EA
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:
65592
spec-Thread Size:
9/16"-18
note-Industry Standards/Certification:
MIL-S-8879|MS17825
spec-Minimum Dimension A:
0.594"
spec-Type:
Self-Locking Castellated Nut
spec-Thread MIL-S-8879:
0.5625-18
spec-Minimum Ultimate Tensile Strength:
21200 lb
spec-Minimum Test Wrenching Torque:
1100 in·lb
spec-Maximum Dimension A:
0.624"
spec-Minimum Dimension B:
0.865"
spec-Minimum Dimension C:
0.978"
spec-Maximum Dimension B:
0.877"
spec-Alternate Part Number:
F12NEC-0918
spec-NSN:
5310-00-181-6798
spec-NIIN:
00-181-6798
hide-Part # Unpunctuated:
MS178259
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.
