# PIEE #FA811827RB010

C-5 Ram Air Fan Overhaul

**Buyer:** AFSC PZABB
**Posted:** November 09, 2026
**Respond By:** December 08, 2026
**Identifier:** FA811827RB010
**NAICS:** 336413, 333413

The Air Force is seeking overhaul services for the C-5 Ram Air Fan, which supports the aircraft’s environmental control system.
- **Government buyer:** Department of the Air Force, FA8118 AFSC PZABB contracting office.
- **Requirement:** Overhaul the C-5 Ram Air Fan, which cools the air system turbine fan and helps move engine bleed air across the primary and secondary heat exchangers.
- **Performance location:** Tinker Air Force Base, Oklahoma.
- **OEMs and vendors:** No manufacturers, OEMs, or vendors are named in the notice.
- **Notable requirements:** The opportunity is a total small business set-aside. Offer submissions must include a Material Safety Data Sheet (MSDS) in accordance with FAR Clause 52.223-3.
- **Quantities and part numbers:** None specified.

### Description

The C-5 Ram Air Fan is used to cool the air system turbine fan that accelerates the engine bleed air across the primary and secondary heat exchangers.

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