Add to Cart Quick view Collins 32S-3 Original K-1 Relay Used and in Excellent Condition P/N 972-1353-00 MSRP: Now: $29.99 Was: This Collins 32S-3 Original K-1 Relay, is Used, Tested, and in Excellent Condition P/N 972-1353-00. This hard to find part is a high wear item and is likely to fail at some point. MSRP: Now: $29.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $29.99 Was: Subtotal: Add to Cart