Question and Answers.pdf
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- Solicitation number
- FA8121-22-R-0014
About this file
This document provides details regarding a forthcoming federal contract solicitation for the overhaul of F100-PW-220 Convergent Segment Assemblies. The United States Air Force through the Air Force Sustainment Center at Tinker Air Force Base will issue solicitation number FA8121-22-R-0014 seeking the overhaul of the convergent nozzle assembly for the F100-PW-299/220 engine. Offerors will be required to respond by June 21, 2022. The contract will be a firm fixed price, multiple award IDIQ with a period of performance of 60 months and five one-year ordering periods. The work will be performed at Tinker Air Force Base and involves overhaul of the convergent nozzle assembly identified by national stock numbers 2840-01-445-9142 and 2840-01-455-9142. The previous contract for this requirement was held by FA8121-17-D-0020.
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Question 1: According to the engineering instructions for repair, RQR‐10, Rev E (attachment 8) the coating requirements are restricted to PWA 256‐1, 701HE or AMS 2447‐8. On table 6 we understand that PWA 53 can be used as alternative to the plasma wear coating (referred to on table 5). Please advise if PWA 53‐1 can be used as an alternative to PWA 256‐1, 701HE, or AMS 2447‐8.
Answer 1: AMS 2447‐8 and PWA 256‐1 are the preferred coatings. However, they require
Helium to spray. Vendors cannot obtain Helium right now. We've approved RFV's to allow 53‐1 until they can obtain Helium. The preferred coatings are denser and thinner which makes for a better wear surface.
However, 53‐1 will perform sufficiently to last a full interval and only requires Argon to spray.
May 19, 2021 Questions & Answers: Convergent Nozzle Assembly FA8121‐22‐R‐0014
File details come from the government source that posted it. Updated .