Special Features:

Optional material: steel casting, grade 65-35, class 2 astm a27 or steel investment casting grade 1a type 1c 1020, astm a732 casting classification, mil-std-2175, class 4 grade d; material steel 1015 to 1025 (uns g1050 to g1025) per astm a576 or astm a108; preservative oil per vv-l-800

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.