This specification, to be used in conjunction with Specification F 1073, covers the principal dimensions and the mechanical requirements for manufacturing steel and aluminum individually dogged, airtight/gastight double doors for personnel access through bulkheads, complete with frames, intended to maintain the structural and the air and gas tightness integrity of the bulkheads. The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only. The following precautionary caveat pertains only to the Test Methods portion, Section 6, of this specification: This standard does not purport to address the safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.