MIL-DTL-4710E
3.6.2 Humidity resistance. Only minor corrosion is permitted (see 6.3) and the gain in weight shall
not exceed 5 percent of the initial weight of the case set, when subjected to the test specified in 4.4.1.1.3.
3.6.3 Corrosion resistance. Only minor corrosion is permitted (see 6.3) when exposed to
atmosphere containing salt-laden moisture when subjected to the test specified in 4.4.1.1.4.
3.6.4 Durability. The case sets shall show no signs of structural failure when subjected to the drop
test specified in 4.4.2.
3.7 Finishes and protective coatings.
3.7.1 Metal parts. Ferrous metal parts shall be covered with a phosphate coating conforming to TT-
C-490, type I or I I , prior to assembly. Closure bolts, if otherwise protected against corrosion, may be
exempted from this requirement (see figure 4).
3.7.2 Painting and color. The paint shall conform to MIL-E-52891. Unless otherwise specified, the
color of the case set shall be green, Color No. 34083, 34084, 34086 or 34088 per FED-STD-595 (see 6.2).
One coat shall be applied inside and outside of the case set subsequent to assembly. Particular care shall
be taken to assure complete coverage of handles, rivet heads, body binding, and similar areas.
3.8 Marking.
3.8.1 Identification. The case set shall be marked for identification on the outside of each case
beneath the handles in accordance with MIL-STD-130. The following additional information shall be included
in .750 inch letters:
Case Set, Transport and Storage
Case No. (1 or 2, as applicable)
Specification MIL-C-4710
3.8.2 Stenciling. The case set shall be stenciled as shown in figures 1 and 2.
3.9 Workmanship. The case set including all parts shall be well made and free from any defects
which may affect durability, strength, or serviceability. All edges of nonmetallic materials resulting from
machining, drilling, etc., shall be permanently sealed. All burrs and sharp edges shall be removed.
3.9.1 Dimensions. Dimensions and tolerances not specified shall be as close as and is consistent
with the best shop and engineering practices. Where dimensions and tolerances may affect the
interchangeability or performance of the case set, they shall be held or limited accordingly.
3.9.2 Riveting. All rivets, bolts, and screws shall be tight and free from cracks; heads shall be
properly formed and concentric with the body of the rivets, bolts, and screws.
3.9.3 Welding. Welds shall be free of craters and exhibit characteristics of fusion, penetration, and
soundness of weld deposit representative of good welding practice. All welding fluxes, scale, weld spatter,
burrs, and sharp edges shall be completely removed prior to application of any finish coats.
3.9.4 Cleaning. Each case set shall be thoroughly cleaned of all foreign matter after final assembly.
4. VERIFICATION
4.1 Classification of inspection. The inspection requirements specified herein are classified as
follows:
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