Frequently Asked Questions - Submethod 51

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Listed below are portions of MIL-STD-2073 covering preservation submethod 51 (formerly Method IIc: water-vapor proof bag, sealed). This web page identifies the method, types of materials authorized, a graphic illustration, and a link to the School of Military Packaging Technology's 'How To' web documents. If this material does not enhance your understanding regarding this method of preservation, please use either our feedback form to provide recommendations or contact us directly by E-mail us at: DSCC.packaging@dla.mil

Method 51: Watervaporproof Bag, Sealed

  • How should items that require Method 51 preservation be packaged?
    MIL-STD-2073 states, 'The item, preserved, wrapped, cushioned and desiccated as required in 5.2.3.7, shall be enclosed within a sealed bag conforming to MIL-DTL-117, Type I, Class E, Style 1, 2, or 3: or Type II, Class E, Style 1 or 3: or Type III, Class E, Style 1. When specified in the contract or purchase order, a designated bag, other than noted herein, shall be furnished. (Note: When specified in the contract or purchase order, a carton or box shall be required to effect the unit container, and the primary cushioning specified in the contract or purchase order shall be placed between the outside of the bag and the inside of the carton or box.)'


    • NOTE: The packaging requirements (code) in your contract may specify the exact packaging materials to use to protect the item.

Content Inquiries: DSCC.Packaging@dla.mil

Last Updated: 14 Oct 2015