NASA MSFC SPEC 250 : 1963

1 SCOPE
  1.1 Scope
  1.2 Classification of protective finishes
2 APPLICABLE DOCUMENTS
3 REQUIREMENTS
  3.1 General requirements
      3.1.1 General Instructions
      3.1.2 Contractors finish specification
      3.1.3 Special finishes
      3.1.4 Materials and processes
      3.1.5 Order of precedence
      3.1.6 Selection of specifications
  3.2 Cleaning requirements
      3.2.1 General cleaning requirements and precautions
  3.3 Surface treatments
      3.3.1 Aluminum and its alloys
      3.3.2 Low alloy and carbon steel
      3.3.3 Corrosion resistant steel alloys
      3.3.4 Magnesium alloys
      3.3.5 Nickel and cobalt base alloys
      3.3.6 Titanium and its alloys
      3.3.7 Copper and copper alloys
      3.3.8 Zinc surfaces
      3.3.9 Cadmium surfaces
  3.4 Organic finish systems for interior and exterior
      surfaces of space vehicle structures and associated
      flight equipment
      3.4.1 General
      3.4.2 Organic-finish requirements
      3.4.3 Protective systems defined
  3.5 Inorganic protective finishes
      3.5.1 General
      3.5.2 Plated metallic finishes
      3.5.3 Miscellaneous inorganic finishes
  3.6 Special finishing requirements
      3.6.1 General
      3.6.2 Faying surfaces, joints and seams
      3.6.3 Surfaces exposed to reactive materials
      3.6.4 Functional surfaces
      3.6.5 Thermal control finishes or surfaces
      3.6.6 Closely coiled springs
      3.6.7 Parts housed in or permanently coated with oil
             or grease
      3.6.8 Surfaces subjected to high temperatures
      3.6.9 Tubing
      3.6.10 Fasteners and associated parts
      3.6.11 Areas subjected to corrosive fluid
      3.6.12 Resistance to synthetic lubricants
      3.6.13 Electrical bonding and grounding
      3.6.14 Surfaces of components exposed to exceptionally
             corrosive environments
      3.6.15 Molded plastics and ceramics
      3.6.16 Rubber
      3.6.17 Mildew or fungus
      3.6.18 Colors, insignia and markings
  3.7 Workmanship
4 QUALITY ASSURANCE PROVISIONS
  4.1 General
  4.2 Inspection tests
  4.3 Coating thickness
  4.4 Previous Approval
  4.5 Rejection and retest
5 PREPARATION FOR DELIVERY
6 NOTES
  6.1 Intended use
  6.2 Definitions
      6.2.1 Interior and exterior surfaces
      6.2.2 Corrosion resistant and non-corrosion resistant
             aluminum alloys
      6.2.3 Corrosion resistant and non-corrosion resistant
             (low alloy) steel
      6.2.4 Changes from previous issue

Describes the requirements for the protective finishes of space vehicles, structural components, and associates flight equipment.