MIL-STD-171 Finishing Of Metal And Wood SurfacesThis standard establishes and updates general finish codes and serves as a general guide to the selection of suitable materials, procedures, and system for cleaning, plating, painting and otherwise finishing of metal and wood surfaces.

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MIL-STD-171F

and holes, rabbets, and the like shall be made before treatment. In the event that it becomes necessary to make holes, rabbets, sawcuts, or the like after treatment, preservative shall be applied liberally to surfaces exposed by these operations. Table XVII lists two treatments.

5.4.1 Preservative identification. The letters "PA" shall be annotated on all wood products subjected to the PQ80 (copper-8-quinolinolate) preservative treatment in accordance with Table XVII. The letters "PB" shall be annotated on all wood products subject to the M-GARD W550 (zinc naphthenate emulsifiable) preservative treatment in accordance with Table XVII.

5.4.2 Presence of Preservative.

5.4.2.1 Presence of PQ80 (copper-8-quinolinolate) preservative. When treated with PQ80, the box shall show evidence of discoloration when tested as specified in 5.4.4.1 and inspected in accordance with 5.4.3.1. (Do not use for wire-bound box assemblies)

5.4.2.2 Presence of M-GARD W550 (zinc naphthenate emulsifiable) preservative. When treated with M-GARD W550, the box shall show evidence of discoloration when tested as specified in 5.4.4.2 and inspected in accordance with 5.4.3.2.

5.4.3 Inspection for presence of preservative.

5.4.3.1 Presence of PQ80 (copper-8-quinolinolate) preservative. (See 5.4.2.1) Major defect. A sample of 15 boxes shall be selected at random, from each lot, for this test. Four individual boards shall be tested from each box; each board shall be from a different side of the box. The boards shall be tested in accordance with 5.4.4.1. If one board fails to meet the applicable requirement, an additional board may be tested from the box. The failure of two boards to meet the requirements shall constitute the rejection of the box and the lot.

5.4.3.2 Presence of M-GARD W550 (zinc naphthenate emulsifiable) preservative. (See

5.4.2.2) Major defect. A sample of 15 boxes shall be selected at random, from each lot, for this test. Four individual boards shall be tested from each box; each board from a different side of the box. The boards shall be tested in accordance with 5.4.4.2. If one board fails to meet the applicable requirement, an additional board may be tested from the box. The failure of two

boards to meet the requirements shall constitute the rejection of the box and the lot.

5.4.4 PQ80 (copper-8-quinolinolate).

5.4.4.1 Presence of PQ80 (copper-8-quinolinolate) preservative.

5.4.4.1.1 Primary method.