MIL-PRF-23377K

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PERFORMANCE SPECIFICATION

PRIMER COATINGS: EPOXY, HIGH-SOLIDS

This specification is approved for use by all Departments and Agencies of the Department

of Defense.

1. SCOPE

1.1 Scope. This specification covers the requirements for corrosion inhibiting, chemical

and solvent resistant, solvent-borne, high-solids epoxy primer coatings that have a maximum

volatile organic compound (VOC) content of 340 grams per liter (g/L)(2.8 pounds per gallon

[lb/gal]) as supplied by the manufacturer.

1.2 Classification. The primer coatings are of the following types and classes, as specified

(see 6.2):

1.2.1 Types. The types of primer coatings are as follows:

 Type I - Standard pigments

 Type II - Low infrared reflective pigments

1.2.2 Classes. The classes of primer coatings are as follows:

Class C1 - Barium chromate based corrosion inhibitors

 Class C2 - Strontium chromate based corrosion inhibitors

 Class N - Non-chromate based corrosion inhibitors

AMSC N/A FSC 8010

MIL-PRF-23377K

7 June 2012

SUPERSEDING

MIL-PRF-23377J

W/AMENDMENT 2

10 April 2007

Comments, suggestions, or questions on this document should be addressed to: Commander,

Naval Air Warfare Center Aircraft Division, Code 4L8000B120-3, Highway 547, Lakehurst, NJ

08733-5100 or emailed to michael.sikora@navy.mil. Since contact information can change, you

may want to verify the currency of this address information using the ASSIST Online database

at https://assist.dla.mil.

NOT MEASUREMENT

SENSITIVE

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MIL-PRF-23377K

1.3 Part or Identifying Number (PIN). The PINs to be used for primer coatings acquired to

this specification are created as follows:

M23377 - X - XX - XXXX

Specification

identifier Type designator

1 = Type I

2 = Type II

Class designator

(C1, C2 or N) Kit size designator

(see 1.3.1)

1.3.1 Kit size. The primer coatings covered by this specification should be purchased by

volume, the unit being a kit containing two or three components. The kit component sizes need

not be of the same size. When this part numbering system is used, the kit size is to be identified

as:

Kit Size 1/ Kit Size Designator

Less than one pint 2/

4-pint (0.47-liter) 004P

4-quart (0.95-liter) 004Q

4-gallon (3.79-liter) 004G

20-gallon (75.7-liter) 020G

1/ The kit size and its designator may be modified for ease of procurement and is not limited.

2/ Designators for less than pint size kits (small touch-up kits) should be expressed in cubic

centimeters (cc) and should be designated by “C.” Example: A type I, class C2, 50 cc kit

should be designated M23377-1-C2-050C.

2. APPLICABLE DOCUMENTS

2.1 General. The documents listed in this section are specified in sections 3 and 4 of

this specification. This section does not include documents cited in other sections of this

specification or recommended for additional information or as examples. While every effort has

been made to ensure the completeness of this list, document users are cautioned that they must

meet all specified requirements of documents cited in sections 3 and 4 of this specification,

whether or not they are listed.

2.2 Government documents.

2.2.1 Specifications and standards. The following specifications and standards form a part

of this document to the extent specified herein. Unless otherwise specified, the issues of these

documents are those cited in the solicitation or contract.

Provided by IHS

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No reproduction or networking permitted without license from IHS

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MIL-PRF-23377K

FEDERAL SPECIFICATION

TT-R-2918 - Remover, Paint, No Hazardous Air Pollutants (HAPs).

FEDERAL STANDARD

FED-STD-595 - Colors Used in Government Procurement/

Color numbers 17925, 36375.

DEPARTMENT OF DEFENSE SPECIFICATIONS

MIL-DTL-5541 - Chemical Conversion Coatings on Aluminum and

Aluminum Alloys.

MIL-C-8514 - Coating Compound, Metal Pretreatment, Resin-Acid.

MIL-A-8625 - Anodic Coatings for Aluminum and Aluminum Alloys.

MIL-PRF-23699 - Lubricating Oil, Aircraft Turbine Engine, Synthetic Base,

NATO Code Number 0-156.

MIL-R-81294 - Remover, Paint, Epoxy, Polysulfide, and Polyurethane

Systems.

MIL-T-81772 - Thinner, Aircraft Coating.

MIL-PRF-83282 - Hydraulic Fluid, Fire Resistant, Synthetic Hydrocarbon Base,

Metric, NATO Code Number H-537.

MIL-PRF-85285 - Coating: Polyurethane, Aircraft and Support Equipment.

(Copies of these documents are available on line at https://assist.dla.mil/quicksearch/ or

https://assist.dla.mil or from the Standardization Document Order Desk, 700 Robbins Avenue,

Building 4D, Philadelphia, PA 19111-5094.)

2.3 Non-Government publications. The following documents form a part of this document

to the extent specified herein. Unless otherwise specified, the issues of these documents are

those cited in the solicitation or contract.

ASTM INTERNATIONAL

ASTM B117 - Standard Practice for Operating Salt Spray (Fog) Apparatus

ASTM D823 - Standard Practices for Producing Films of Uniform

Thickness of Paint, Varnish, and Related Products on Test

Panels

ASTM D1200 - Standard Test Method for Viscosity by Ford Viscosity Cup

ASTM D1210 - Standard Test Method for Fineness of Dispersion of Pigment-

Vehicle Systems by Hegman-Type Gage

ASTM D1296 - Standard Test Method for Odor of Volatile Solvents and

Diluents

ASTM D1649 - Standard Specification for Strontium Chromate Pigment.

ASTM D1849 - Standard Test Method for Package Stability of Paint

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Licensed by www.sepana.ir

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No reproduction or networking permitted without license from IHS

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摘要：

MIL-PRF-23377K 是美国国防部发布的军用性能规范，主要涵盖用于航空航天高性能涂层系统的底漆要求。该规范替代了之前的版本，重点规定了环氧树脂基底漆在铝及合金表面的附着力、耐腐蚀性、耐流体性能以及抗环境老化能力。MIL-PRF-23377K 适用于需要高耐久性和严格化学兼容性的军用飞机制造与维护场景，确保涂层在极端温度、盐雾及燃油环境下保持稳定。该标准对检测方法如盐雾试验、湿度试验和冲击试验也做出了明确要求，是航空防腐蚀涂层体系中不可或缺的参考文件。

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