The Close Tolerance Bolt AN175-21 is designed for precision fastening in aerospace, military, and industrial applications where strict dimensional accuracy is essential. Its tight tolerances ensure reliable performance in critical assemblies, reducing the risk of loosening or failure under stress. This bolt is ideal for use in aircraft structures, machinery, and equipment requiring high-strength, precision-engineered fasteners.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:
2581P
hide-Quantity Increment:
1
Note-Sold In:
Per Package
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:
64346
spec-Thread Size:
0.3125"-24
spec-Length:
2-7/32"
spec-Grip:
1-11/16"
spec-Drilling:
Drilled Head
spec-Head Type:
Hexagon
note-Industry Standards/Certification:
AN175
hide-Image:
2581
spec-NSN:
5306-00-180-0473
spec-NIIN:
00-180-0473
hide-Part # Unpunctuated:
AN17521
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.
spec-Country of Origin:
USA
