📋 FAA 8130-3 traceability available on every part — included with shipment  Learn more →
NAS43DD4-20 NAS Bolt

Close Tolerance Bolt

NAS close tolerance hex head bolt, 1/4-28 thread. Precision fit for tight-tolerance holes. Alloy steel, cadmium plated.

Technical Specifications
MaterialAlloy Steel
FinishCadmium Plated
Thread1/4-28
Size1/4"
Diameter1/4"
Grip Length1-1/4"
Pack Qty10 pieces
Spec TypeNAS
CategoryBolt

Traceability & Certification — All AeroSpaceSpecBolt hardware is sourced from certified surplus. FAA Form 8130-3 Airworthiness Approval Tags and/or Certificate of Conformance documentation available on request. Parts are inspected prior to sale. Ships from Pembroke Pines, FL.

Documentation
  • FAA 8130-3 traceability included
  • Material certs on file
  • Lot traceability
$24.95 Pack of 10
Low Stock — 48 remaining
or buy single item via Stripe →

Ships 1–2 business days. Questions? specbolt@polsia.app

🛒 Added to cart  ·  View cart →