scope:

This specification establishes requirements for humidity indicating, dehydrator plugs that are intended to protect aircraft engine cylinders and other similar equipment against corrosion due to moisture and to indicate through color change unsafe levels of humidity (see 6.1).

Dehydrator plugs shall be of the following types, as specified (see 6.2).

Type I - Reusable. Type II - Reusable and refillable.

Unless otherwise specified, the following specifications and standards of the issue listed in that issue of the Department of Defense Index of Specification and Standards (DoDISS) specified in the solicitation form a part of this specification to the extent specified herein.

SPECIFICATIONS Federal PPP-B-601 Boxes, Wood, Cleated-Plywood PPP-B-621 Boxes, Wood, Nailed and Lock Corner

Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Engineering Specifications and Standards Department (Code 93), Naval Air Engineering Center, Lakehurst, NJ 08733, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.

SPECIFICATIONS (Continued) Federal (Continued) PPP-B-636 Box, Shipping, Fiberboard PPP-C-96 Cans, Metal, 28 Gage and Lighter Military MIL-D-3716 Desiccants, Activated: For Dynamic Dehumidification MIL-D-6054 Drum, Metal; Shipping and Storage MIL-R-6855 Rubber, Synthetic, Sheets, Strips, Molded or Extruded Shapes STANDARDS Federal FED. TEST METHOD STD. NO. 101 Test Procedures for Packaging Materials Military MIL-STD-105 Sampling Procedures and Tables for Inspection by Attributes MIL-STD-129 Marking, for Shipment and Storage MIL-STD-130 Identification Marking of U.S. Military Property MS3396 Plug, Dehydrator, Humidity Indicating, Engine Cylinder (14mm Thread) MS3398 Card-Humidity-Indicating Color Comparison MS27215 Plug, Dehydrator, Humidity Indicating, Engine Cylinder (18mm Thread)

(Copies of specifications, standards, handbooks, drawings and publications required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.)

In the event of conflict between the text in this specification and references cited herein, the text of the specification shall take precedence.

The following documents form a part of this specification to the extent specified herein. The issue of the document which is indicated as DOD adopted shall be the issue listed in the current DoDISS and the supplement thereto, if applicable.

American Society For Testing And Materials (ASTM) ASTM D 1748 - Rust protection by metal preservation in the humidity cabinet. ASTM D 3951 - Standard practice for commercial packaging.

Applications for copies should be addressed to American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.

intended Use: