MIL-DTL-3060G (AR)
ASTM D1654
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Standard Test Method for Evaluation of Painted or Coated
Specimens subjected to Corrosive Environments
(Copies of ASTM standards maybe ordered online at https://www.astm.org or from ASTM international, 100
Barr Harbor Drive, West Conshohocken, PA 19428-2959).
2.4 Order of precedence. Unless otherwise specified in this specification or in the contract, in the
event of a conflict between the text of this document and the references cited herein, the text of this document
takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a
specific exemption has been obtained.
3. REQUIREMENTS
3.1 Required inspections.
3.1.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in
accordance with 4.2.
3.1.2 Conformance. A sample shall be subjected to conformance inspection in accordance with 4.3.
3.2 Assembly.
3.2.1 M19A1. Components and assemblies for box, small arms ammunition, M19A1 shall be
combined to produce an assembly which conforms to the requirements of drawing 7553315.
3.2.2 M2A1. Components and assemblies for Box, Small Arms Ammunition, M2A1 shall be
combined to produce an assembly which conforms to the requirements of drawing 7553296.
3.3 Protective coating.
3.3.1 Paint. The paint film thickness and coating shall comply with the requirements of drawing
7553296 or 7553315 as applicable. In addition, the coating shall be smooth, unbroken and free of blisters,
runs, thin spots and foreign matter. Adhesion of the paint to the pretreated surfaces shall comply with the
applicable requirements of TT-C-490.
3.3.2 Corrosion resistance. The exterior surfaces of the box shall show no visible evidence of paint
blistering, creepage (loss of adhesion), or corrosion of base metal in excess of 1/8 inch on either side of the
score marks or rusting of parts of the hardware subject to pressure of abrasion in normal use or exceeding the
standards permissible in MIL-STD-406 and ASTM 1654, after exposure to a 5% solution of salt spray for 96
hours. Additionally, for boxes coated in accordance with drawing 12998172, salt spray exposure on 4 X 6
inch coated panels shall be no less than 400 hours.
3.4 Functioning.
3.4.1 Cover assembly. The cover of the box of the M19A1 and M2A1 shall open, close, and be
removed without binding or requiring exertion of undue force. The gasket shall not stick to top edges of the
box, be cut or split, not shift within the gasket retainer when the cover is opened. Hinge pins shall be secured
in body half of hinge. The cover on the M19A1 box assembly only shall not fall off when opened and allowed
to hang freely when the box is held in an inverted position. The formed lip on the side of each M19A1 box
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