Castellated Nut$1.85 Castellated Nut (3/8-24). Castellated Nut quantity Add to cart Like Tweet Pin it SKU: AN310-6 Category: Hardware Tags: Castellated, Nut Additional information Additional information Weight 1 lbs Dimensions 9 × 7 × 1 in Brand Diamond, Mooney, Piper, Other Related products $0.81 Diamond, Mooney, Piper, OtherCastle Nut Add to cart $0.82 Diamond, Mooney, Piper, OtherNut Add to cart $2.37 Diamond, Mooney, Piper, OtherSelf Locking Nut Add to cart $237.71 Diamond, Mooney, Piper, OtherSeat Height Adjustment Nut Add to cart