Email Record: Equipment serviceability criteria for carrier, personnel, full tracked, armored M113A1 (2320-968-6321); carrier, command post, light, tracked M577A1 (2320-056-6808); carrier, mortar, 107-mm, self-propelled M106A1 (2350-076-9002); carrier, mortar, 81-mm, self-propelled, M125A1 (2350-071-0732); carrier, flame thrower, self-propelled M132A1 (2350-056-6809).