View cart “Crimp Pin” has been added to your cart. Back Up Ring$1.47 Back Up Ring. Out of stock Like Tweet Pin it SKU: MS28782-8 Category: Airframe Parts Tags: Back Up, Ring Additional information Additional information Weight 1 lbs Dimensions 9 × 7 × 1 in Brand Diamond, Mooney, Piper, Other Related products $13.06 Diamond, Mooney, Piper, OtherBaffle Add to cart $277.91 MooneyDust Cover Kit Add to cart $31.88 Diamond, Mooney, Piper, OtherCircuit Breaker Add to cart $12.48 Diamond, Mooney, Piper, OtherConnector Add to cart