INCH-POUND
MIL-PRF-24635E
15 September 2009
SUPERSEDING
MIL-PRF-24635D
26 June 2006
PERFORMANCE SPECIFICATION
COATING SYSTEMS, WEATHER-RESISTANT, EXTERIOR USE
This specification is approved for use by all Departments and Agencies of the Department of Defense.
1. SCOPE
1.1 Scope. This specification establishes the performance requirements for weather-resistant coating systems
for use on primed, smooth metal, glass reinforced plastic (GRP), wood and plastic/composite exterior surfaces.
1.2 Classification. Coatings are of the following types, classes, and grades, as specified (see 6.1 and 6.2).
1.2.1 Types.
Type II - Standard durability coatings with Volatile Organic Compound (VOC) Content not greater than 340
grams per liter (g/L) [2.8 pounds per gallon (lb/gal)] (Colors restricted to non-gray marking or
striping colors.)
Type III - Standard durability coatings with VOC not greater than 250 g/L (2.08 lb/gal)
Type IV - Standard durability coatings with VOC not greater than 100 g/L (0.83 lb/gal)
Type V - High durability coatings with VOC not greater than 250 g/L (2.08 lb/gal)
Type VI - High durability coatings with VOC not greater than 100 g/L (0.83 lb/gal)
1.2.2 Class.
Class 1 - High gloss, 85
Class 2 - Semigloss, 45 to 60
Class 3 - Low gloss, 7 to 12
1.2.3 Grade.
Grade A - Standard pigmented
Grade B - Low solar absorbent (26173, 26270, 26373, and 26008)
Grade C - Low solar absorbent and anti-stain (26008 and 26270)
Comments, suggestions, or questions on this document should be addressed to: Commander, Naval Sea Systems
Command, ATTN: SEA 05B5, 1333 Isaac Hull Avenue, SE, Stop 5160, Washington Navy Yard DC 20376-5160 or
emailed to CommandStandards@navy.mil, with the subject line "Document Comment". Since contact information
can change, you may want to verify the currency of this address information using the ASSIST Online database at
https://assist.daps.dla.mil.
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