MS3217C, DETAIL SPECIFICATION SHEET: RING, RETAINING, EXTERNAL, HEAVY-DUTY (TAPERED SECTION TYPE) (25-OCT-2011)

MS3217C, DETAIL SPECIFICATION SHEET: RING, RETAINING, EXTERNAL, HEAVY-DUTY (TAPERED SECTION TYPE) (25-OCT-2011)., 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 sheet and procurement specification MIL-R-21248.