Frequently Asked Questions - Submethod 42
Listed below are portions of MIL-STD-2073 covering preservation submethod 42 (formerly Method IA-14: Container, 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
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- How should items that require Method 42 preservation be packaged?
Per MIL-STD-2073, 'The item, wrapped and cushioned as required in 188.8.131.52. shall be enclosed in a close fitting inner container (box), selected from Table C.I, and enclosed in a sealed bag conforming to MIL-DTL-117, Type I, Class E, Style 1; or Type III, Class E, Style 1. Bags in accordance with MIL-E-6060 shall he used when the construction limitations of MIL-DTL-117 are exceeded. When specified in the contract or purchase order, a designated bag, other than noted herein, shall be furnished. The sealed bag shall then be enclosed within an appropriate outer container (box), selected from Tables C.I or C.II, unless otherwise specified in the contract or purchase order. When fiberboard containers are selected or specified for the outer container of this method, they shall conform to the weather resistant class and grade of ASTM-D5118 or ASTM-D5168 as applicable. When wood, wood cleated plywood, wood cleated fiberboard, paper overlaid veneer, etc., are specified as the outer container of this method, 6 mil polyethylene conforming to A-A-3174 or equivalent material shall be used as an overwrap (tape sealed) around the sealed bag to prevent chafing or rupture by the outer container. When the primary, cushioning is located between the sealed bag and the outer container, the barrier protective wrap specified herein is not required. Closure, banding, or sealing of the outer container shall be performed in accordance with the applicable container specification procedures or ASTM-D1974, making certain that no damage is inflicted on the bag. (Note: When the outer container becomes the shipping container, it shall be marked as a shipping container in accordance with MIL-STD-129; the bag shall be marked as a unit pack in accordance with MIL-STD-129.)'
- 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: 5 Oct 2015