The MS21042-04 nut is a high-strength fastener designed for secure assembly in aerospace, military, and industrial applications. It provides reliable fastening in critical structural and mechanical systems, ensuring safety and durability under demanding conditions. Its precision engineering makes it suitable for use in aircraft, heavy machinery, and other high-performance equipment.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:
2941P
hide-Quantity Increment:
50
note-Sold In:
EA
note-Units Per Package:
1
spec-Material:
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:
65385
spec-Thread Size:
#4-40
spec-Features:
Reduced Height
spec-Service Temperature:
450 ºF
note-Industry Standards/Certification:
MS21042
spec-Type:
Self-Locking Nut
spec-Maximum Diameter A:
0.206"
spec-Shape:
Reduced Hexagon
spec-Minimum Dimension C:
0.171"
spec-Maximum Dimension H:
0.125"
spec-Minimum Dimension H:
0.103"
spec-Lubricant:
Without Dry Film Lubricant
spec-Thread:
0.1120"-40
spec-Maximum W (Across Flats):
0.158"
spec-Minimum W (Across Flats):
0.15"
hide-Pre-Packaged Bag Quantity:
50
spec-Alternate Part Number:
Possible
spec-NSN:
5310-00-811-6419
spec-NIIN:
00-811-6419
hide-Part # Unpunctuated:
MS2104204
note-Minimum Order Note:
Minimum order is 50. Must order in increments of 50.
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.