MIL-PRF-85285 is a performance specification for topcoat used on aircraft and support equipment [MIL-PRF-85285 para 6.1].
Types and intended uses:
- Type I: aircraft weapons systems and other applications
- Type II: support equipment
- Type III: aircraft and support equipment
- Type IV: aircraft weapons systems requiring extended weatherability; direct replacement for Type I [MIL-PRF-85285 para 6.1]
Application requirements:
No additives other than the appropriate thinner (for classes H and NH) or deionized/distilled water (for classes W and NW) are permitted to achieve proper spray viscosity [MIL-PRF-85285 para 6.1].
Qualification:
Contract awards are made only for products qualified for inclusion on Qualified Products List QPL-85285 at the time of contract award [MIL-PRF-85285 para 6.5].
Air Force supplement note:
AETC directive requires use of MIL-PRF-85285 Type IV for AGE painting operations as an advanced performance coating with extended service life, phasing out legacy Type I/II topcoats [AFI 21-101 AETC Sup 314AW Sup para 11
Unofficial — answered from indexed publication text, which may be incomplete or out of date. Your MAJCOM/unit supplement may be stricter. Verify the official PDF before acting or writing a finding.
No departmental passage retrieved.
DAFI 63-140 AFRC Sup 433AW Sup, p. 52 (effective/current as of 2022-12-08)S SYSTEM SPECIFIC MARKINGS A4.2. (433AW) Reference for Application of C-5 Markings A4.2.1. (Added-433AW) Texas Flag Tail Banner. A4.2.1.1. (Added-433AW) White shall be aircraft grade white 220 vinyl or Military- Performance (MIL-PRF)-85285 polyurethane paint, 17925 white. Note: View shown in Figure A4.2.1 is for reference only. Some markings have been omitted and picture does not show to scale. Note: View shown below illustrates marking for LEFT side; banner dimensions for RIGHT side are mirrored but not shown. A4.2.1.2. (Added-433AW) Red shall be aircraft grade ruby red 220 vinyl or MIL-PRF- 85285 polyurethane paint, 11136 red. A4.2.1.3. (Added-433AW) Blue shall be aircraft grade cobalt blue 220 vinyl or MIL- PRF-85285 polyurethane paint, 15044 blue. Note: All T-Tail markings must be loca
AFGSCI 21-105 BARKSDALEAFB Sup para 1.4.2.1.1.4, p. 5 (effective/current as of 2017-09-07)with Matte White Vinyl (P/N P83242A). The serial numbers will not be shadowed. 1.4.2.1.1.3. (Added-Barksdale) Aircraft 61-028 is designated as the 49th OT Aircraft. Unit designator, the letters “TES” (24”H), and tail number markings will be painted flat black (Mil-PRF-85285) or stenciled with Matte Black Vinyl (P/N P58744A) and shadowed towards the lower aft side of the markings with flat white paint (Mil –PRF-85285) or with Matte White Vinyl (P/N P83242A). The 6 AFGSCI21-105_BARKSDALESUP 6 SEPTEMBER 2017 serial numbers will be shadowed in the same fashion. 1.4.2.1.1.4. (Added-Barksdale) Aircraft 61-002 is designated as the 2 OG/CC Aircraft. Unit designator and tail number markings will be painted flat black (Mil- PRF-85285) or stenciled with Matte Black Vinyl (P/N P58744A) and shadowed t
AFI 21-101 AETC Sup 314AW Sup para 11.44.7.5, p. 300 (effective/current as of 2021-07-21)uipment (AGE) Painting. 11.44.7.1. (Added-AETC) Discontinue use of Chromium-Based Primers and legacy topcoat Type I/II Topcoats during AGE paint operations. 11.44.7.2. (Added-AETC) Over bare steel substrates, instead of MIL-PRF-23377 Type I, Class C use MIL-PRF-32550, Type I, Form A, Class S a non-chrome metal-rich primer. 11.44.7.3. (Added-AETC) Over aluminum or a combination of aluminum and steel use non-chrome MIL-DTL-53022 or its alternate MIL-PRF-23377 Type I, Class N. 11.44.7.4. (Added-AETC) Use MIL-PRF-85285 Type IV Advance Performance Coating. It is a new formulation that provides an extended service life. MIL-PRF-85285 Type I/II will be deleted from TO 1-1-8 and TO 35-1-3 by January 2022. 11.44.7.5. (Added-AETC) If unable to procure non-chrome primers or extended service AFI21-101
No federal/DoD passage retrieved.