Self Locking Nut$0.39 Self Locking Nut (4-40 450 deg.). Self Locking Nut quantity Add to cart Like Tweet Pin it SKU: MS21045-04 Category: Hardware Tags: 4-40, 450 deg., Locking, Nut, Self Additional information Additional information Weight 1 lbs Dimensions 9 × 7 × 1 in Brand Diamond, Mooney, Piper, Other Related products $0.55 Diamond, Mooney, Piper, OtherSelf Locking Nut Add to cart $0.38 Diamond, Mooney, Piper, OtherLow Profile Self Locking Nut Add to cart $3.39 Diamond, Mooney, Piper, OtherLocking Nut Add to cart $1.99 Diamond, Mooney, Piper, OtherLocking Tab Washer Add to cart