The MS21921-4J nut is a specialized fastener designed for secure assembly in aerospace, industrial machinery, and structural applications. It provides reliable thread engagement and high torque resistance, ensuring safety and durability in critical environments. This nut is commonly used in high-stress fastening scenarios where precision and dependability are essential.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:
EA
note-Units Per Package:
1
spec-Material:
304 Corrosion Resistant Steel
note-Note:
Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment.
hide-ItemID:
56240
note-Industry Standards/Certification:
MIL-S-8879|MS21921
spec-Dimension H:
0.562"
spec-Dimension A:
0.72"
spec-Dimension B:
0.18"
spec-Dimension C:
0.552"
spec-Dimension B Tolerance:
0.01"
spec-Dimension A Tolerance:
0.01"
spec-Tube Outside Diameter:
1/4"
spec-Thread T (MIL-S-8879):
0.4375"-20
spec-Diameter C Tolerance:
-000|+0.005"
spec-Alternate Part Number:
Possible
spec-NSN:
4730-00-024-4653|4730-00-919-4651|4730-01-432-1302
spec-NIIN:
00-024-4653|00-919-4651|01-432-1302
hide-Part # Unpunctuated:
MS219214J
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.