Self Locking Nut$0.55 Self Locking Nut (1/4-28 450). Self Locking Nut quantity Add to cart Like Tweet Pin it SKU: MS21045-4 Category: Hardware Tags: 1/4-28, 450, Locking, Nut, Self Additional information Additional information Weight 1 lbs Dimensions 9 × 7 × 1 in Brand Diamond, Mooney, Piper, Other Related products $3.39 Diamond, Mooney, Piper, OtherLocking Nut Add to cart $1.14 Diamond, Mooney, Piper, OtherSelf Locking Nutplate Add to cart $0.90 Diamond, Mooney, Piper, OtherNylon Locking Nut Add to cart $0.38 Diamond, Mooney, Piper, OtherLow Profile Self Locking Nut Add to cart