Precision Threaded Products has been certified as a supplier of HS4773 components to The Boeing Company. Accredited suppliers are approved to do business with Boeing Company and its approved suppliers.
The process began with a request from Timken Aerospace Drive Systems (“ADS”) that PTP be added as a supplier of HS4773 studs. Timken requires these ring lock studs for Apache drive system assemblies. Qualifying Precision Threaded Products was shown to improve lead time and reduce cost for the HS4773 standard. PTP is widely recognized as a major producer of ring lock studs to MS and other standards.
The HS4773 product category is a widely used, high-precision ring-locked stud manufactured for use on V-22 Osprey, AH-6 Little Bird, AH-64 Apache, H-47 Chinook, SB Defiant™ and MH-139 helicopters manufactured by Boeing Military Rotorcraft.
The stud is fabricated from E-4130 chromium-molybdenum ("chromoly") alloy steel, which has the superior strength-to-weight ratio required for a broad range of aircraft components.
PTP maintains a robust internal Quality Management System (QMS). It is certified for ISO9001 and AS9100 quality specifications, is GE approved, and holds a PWA LCS. It is included on DLA’s QSLM for Class 3 Threaded Fasteners. PTP is Federal Government / Military Build-to-Print approved.
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