Except as provided in 225.7004-3, do not acquire any of the following items, either as end products or components, unless the manufacturer of the items is part of the national technology and industrial base:

(a) Buses, if multipassenger motor vehicles are purchased, leased, rented, or made available under contracts for transportation services.

(b) Components for naval vessels, to the extent they are unique to marine applications (see also 225.7004-4 for implementation of the restriction for naval vessels):

(1) Gyrocompasses.

(2) Electronic navigation chart systems.

(3) Steering controls.

(4) Propulsion and machinery control systems.

(5) Totally enclosed lifeboats.

(6) Welded shipboard anchor and mooring chain. See also 225.7004-5.

(c) Large medium-speed diesel engines for new construction of auxiliary ships using funds available for National Defense Sealift Fund programs or Shipbuilding and Conversion, Navy.

(d) For T-AO 205 and T-ARC class vessels:

(1) Auxiliary equipment, including pumps, for all shipboard services.

(2) Propulsion system components, including engines, reduction gears, and propellers.

(3) Shipboard cranes.

(4) Spreaders for shipboard cranes.

(e) Star trackers.