Special Features:

7surface treatment - chemical film per mil-c-5541, class 3, f-21 method 3 b; 4 threaded holes 0.138-32 unc modified (tap drill non-standard); holes countersunk 0.140 inch diameter; assembly includes nsn 5305010838159quantity type 4; nsn 5310000540041quantity type 4; nsn 5310009296395quantity type 4; part num. 346423-1 gasket; part num. 346424-1 gasket; part num. 346422-2 padquantity type 2; parts assembled using nsn 8040010929825 - nsn 8040010930607 - nsn 804001080360 as required; assembly used on nsn 5841011037006

Properties:

A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see door, access (as modified). Excludes all covers not specifically designed to provide access for the purposes listed above.