The Self Locking Hex Nut NAS1291-8 is designed to provide secure fastening in demanding industrial applications where vibration resistance is essential. It is commonly used in aerospace, machinery, and structural assemblies to prevent loosening under dynamic loads. This nut ensures reliable, maintenance-free connections, enhancing safety and durability in critical systems.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:
1552P|1553S
hide-Quantity Increment:
1
note-Sold In:
Per Package
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:
65629
spec-Thread Size:
0.5000"-20
spec-Features:
Lightweight|Low Height
spec-Service Temperature:
450 ºF
note-Industry Standards/Certification:
NAS1291
spec-Dimension H:
0.225"
spec-Type:
Self-Locking Nut
spec-Dimension A:
0.350|0.410"
spec-Dimension B:
0.556|0.566"
spec-Dimension W:
0.814"
spec-Thread:
1/2"-20
spec-Alternate Part Number:
MS21042L8
hide-Part # Unpunctuated:
NAS12918
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.
