The NAS1291-7 Self Locking Hex Nut is designed to provide secure fastening in high-vibration environments, preventing loosening during operation. It is commonly used in aerospace, military, and industrial applications where reliable threaded connections are critical. This nut ensures safety and durability in demanding conditions by maintaining consistent torque and resistance to loosening.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|1553M
hide-Quantity Increment:
5
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:
65631
spec-Thread Size:
0.4375"-20
spec-Features:
Lightweight|Low Height
spec-Service Temperature:
450 ºF
note-Industry Standards/Certification:
NAS1291
spec-Dimension H:
0.16"
spec-Type:
Self-Locking Nut
spec-Dimension A:
0.313|0.328"
spec-Dimension B:
0.494|0.504"
spec-Dimension W:
0.708"
spec-Thread:
7/16"-20
spec-Alternate Part Number:
MS21042-7
spec-NSN:
5310-00-918-0482
spec-NIIN:
00-918-0482
hide-Part # Unpunctuated:
NAS12917
note-Minimum Order Note:
Minimum order is 5. Must order in increments of 5.
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.
