MIL-PRF-22885/13J, PERFORMANCE SPECIFICATION SHEET, SWITCH, SUBASSEMBLY, BOOT, DRIP PROOF PANEL SEAL (FOR ILLUMINATED PUSH BUTTON SWITCH) (17 MAR 1999)., This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification and MIL-PRF-22885.