The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking suppliers for a modification kit identified as NSN 1R-1650-016681973-H5. The procurement involves a quantity of four units, with delivery terms set to FOB Origin, indicating that the buyer will take responsibility for the goods once they are shipped. This modification kit is crucial for aircraft hydraulic, vacuum, and de-icing system components, highlighting its importance in maintaining operational readiness and safety in naval aviation. Interested vendors can reach out to Casey M. Brown at (215) 697-3752 or via email at CASEY.M.BROWN20.CIV@US.NAVY.MIL for further details regarding this presolicitation opportunity.