TM 1-1500-204-23-9 (1)  All ground support equipment having a top coat other than MIL-C-46168, Coating, Aliphatic Polyurethane, Chemical Agent Resistant, will be converted  to  MIL-C-46168  when  it  is  determined  that inadequate    protection    is    afforded    against    rust    or corrosion  and  not  merely  painted  to  convert  to  MIL-C- 46168 top coat. (2)    Spot  paint  any  areas  that  require  touchup  with the  same  topcoat  that  is  applied  to  the  ground  support equipment in lieu of complete refinishing, provided that not   more   than   25   percent   of   the   entire   surface   is affected. (3)    Immediately  spot  paint  any  areas  which  have become  bare  and  exposed  due  to  deterioration  of  the topcoat or an accident to provide protection and prevent further deterioration. b.      Authorized   Colors.      The   authorized   colors   for various   categories   of   equipment   are   specified   in   the following paragraphs. (1)    Ground  support  equipment.    Ground  Support Equipment (GSE) will be top coated with Green 34094, per  MIL-C-46168,  except  for  those  items  in  table  9-1. The equipment in table 9-1 will be painted with the three color   camouflage   pattern   in   accordance   with   TM   43- 0139,   Painting   Instruction   for   Army   Material.      Small pieces  of  GSE  such  as  optical  test  equipment  may  be painted Lusterless Black, No.  37038, per MIL-C-46168. GSE utilized by TDA units in non-tactical locations such as permanent airfields in continental United States when safety  is  the  prime  factor  may  be  painted  Yellow,  No. 33538, per TT-E-527. (2)  Engines, engine accessories, and components. Paint    engines,    engine    accessories    and    components where    temperatures    are    below    350 °F    (177C)    and exposed  to  exhaust  gases,  corrosive  fluids,  and  areas known to be subject to corrosive attacks and temperatures do not exceed 350 °F (177C).  Apply two coats of Green 34094, per MIL-C- 46168.  Do not paint air-cooled  engine  cylinder  fins.    Paint  engine  exhaust manifolds    with    Enamel,    Heat    Resisting,    Black,    No. 17038 per TT-E-496. Table 9-1.  GSE - Three Color Camouflage Pattern Nomenclature NSN LIN No. Aviation Ground 1730-01-144-1897 P44627 Power Unit (AGPU) MD3 Generator 6115-00-843-8501 J40698 Hydraulic Test Stand 4920-00-904-9612 W00221 4920-00-738-6588 4920-00-882-6401 4920-00-832-5491 4920-00-144-5581 4920-00-573-61 68 4920-01-119-8795 4920-01-173-5812 4920-01-173-5813 Shelter, Air Mobile 4920-00-900-8378 96176 4920-00-900-8377 4920-00-950-9141 4920-00-849-4102 4920-00-477-2065 4920-00-169-6092 4920-00-148-7448 9-4