The MS21045-04 nut is a specialized fastener designed for securing components in aerospace and industrial applications. It provides reliable fastening in high-stress environments, ensuring safety and durability in assembly processes. This nut is commonly used in aircraft, machinery, and structural assemblies requiring precise and secure connections.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:
2949P
hide-Quantity Increment:
1
note-Sold In:
EA
note-Units Per Package:
1
spec-Material:
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:
65430
spec-Thread Size:
#4-40
spec-Features:
Regular Height
spec-Service Temperature:
450 ºF
note-Industry Standards/Certification:
MS21045
spec-Minimum Dimension A:
0.133"
spec-Type:
Self-Locking Nut
spec-Locking Feature:
Prevailing Torque All Metal Design
spec-Thread MIL-S-8879:
0.1120-40
spec-Maximum Dimension A:
0.167"
spec-Minimum Dimension B:
0.243"
spec-Minimum Dimension C:
0.268"
spec-Lubricant:
Non-Dry Lubricant
spec-Maximum Dimension B:
0.251"
spec-Minimum Dimension F:
0.044"
spec-Nominal Thread Size:
0.112"
spec-Surface Treatment:
Cadmium Overall
spec-Thread Direction:
Right-Hand
spec-Surface Treatment Document and Classification:
QQ-P-416,TY 2,CL 3 FED SPEC Single Treatment Response Overall
spec-Bearing Surface Type:
Chamfered Faced|Washer Faced
spec-Nut Style:
Hexagon
spec-Thread Class:
3B
spec-Thread Series:
UNJC
spec-Thread Quantity per Inch:
40
spec-Bearing Surface Finish:
125 µin
spec-Nominal Countersunk Angle (Nut):
88 º
spec-Minimum Nut Height:
0.133"
spec-Maximum Nut Height:
0.157"
spec-Lubrication:
Soluble Lubricant
spec-Nominal Temperature Rating:
450 ºF
spec-Minimum Width Across Flats:
0.243"
spec-Maximum Width Across Flats:
0.251"
spec-Alternate Part Number:
AN363-440
spec-NSN:
5310-00-889-2543
spec-NIIN:
00-889-2543
hide-Part # Unpunctuated:
MS2104504
note-Minimum Order Note:
Minimum order is 25. 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.