The Airframe Bolt AN4-31 is a drilled fastener designed for secure assembly in aerospace and industrial applications. Its precision-drilled construction ensures reliable attachment points in aircraft structures, maintenance, and manufacturing processes. This bolt provides durability and stability in environments requiring high-strength fastening solutions.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:
2715P
hide-Quantity Increment:
1
Note-Sold In:
EA
Note-Units Per Package:
1
note-Note:
Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment.
hide-ItemID:
64654
spec-Thread Size:
1/4"-28
spec-Length:
3-5/32"
spec-Grip:
2-11/16"
spec-Drilling:
Drilled Head
spec-Head Type:
Hexagon
note-Industry Standards/Certification:
AN4
hide-Image:
2715
spec-NSN:
5306-00-622-1823
spec-NIIN:
00-622-1823
hide-Part # Unpunctuated:
AN431
note-Minimum Order Note:
Minimum order is 10. 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.
spec-Country of Origin:
USA