NASA MSFC SPEC 250 : 1963
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
PROTECTIVE FINISHES FOR SPACE VEHICLE STRUCTURES AND ASSOCIATED FLIGHT EQUIPMENT GENERAL SPECIFICATION FOR
18-05-2012
01-01-1963
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
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.