Locking Nuts
Note – All prices ‘each’ unless specified. Image depicts attributes not quantity.
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Lock Nut - Thread 1/4-28 (50 per pack) - MS27151-13
Hardware
MSRP: $222.73FBO Price: $148.49 Lock Nut - Thread Size 1/4-28 (50 per pack) - MS27151-13/AN356-428 These nuts are also known as retaining nuts. They are stamped from 1050 spring steel and cadmium plated per QQ-P-416A, Type II,...MS27151-13MSRP: $222.73FBO Price: $148.49 -
Nut - New Surplus - 532362NS
MSRP: $53.83FBO Price: $13.92Nut - New Surplus - 532362NS, Sold Each  NS/NOS Warranty: Parts in original Manufacturer’s packaging where available. P/N & FAA-PMA markings intact. As-is, No warranty. Unable to issue 8130-3. ...532362NSMSRP: $53.83FBO Price: $13.92 -
Nut - Self Locking - MS21042-4
Continental Motors, Inc.
MSRP: $97.26FBO Price: $71.46Nut - Self Locking, Sold Each        ÂMS21042-4MSRP: $97.26FBO Price: $71.46 -
Nut - Lock Self .31-24 - 636931
Continental Motors, Inc.
MSRP: $1,568.22FBO Price: $1,153.19 Nut - Lock Self .31-24, Sold Each    Â636931MSRP: $1,568.22FBO Price: $1,153.19 -
Locknut - .3125-18 Hex - STD-2233
Lycoming
MSRP: $641.28FBO Price: $462.91Â Locknut - .3125-18 Hex - STD-2233, Sold Each ÂSTD-2233MSRP: $641.28FBO Price: $462.91 -
Nut - .3125-18 Self Locking - STD-2043
Lycoming
MSRP: $1,284.98FBO Price: $1,096.21Â Nut - .3125-18 Self Locking - STD-2043, Sold Each ÂSTD-2043MSRP: $1,284.98FBO Price: $1,096.21 -
Nut - .250-28 UNJC-3B-Self Locking - MS21043-4
Lycoming
MSRP: $202.50FBO Price: $146.26Â Nut - .250-28 UNJC-3B-Self Locking, Sold Each ÂMS21043-4MSRP: $202.50FBO Price: $146.26 -
Nut - .375-24 UNF-Self Locking - MS20500-624
Lycoming
MSRP: $1,316.16FBO Price: $950.14Â Nut - .375-24 UNF-Self Locking, Sold Each ÂMS20500-624MSRP: $1,316.16FBO Price: $950.14 -
Nut #6-32 Self Locking - AN365-632C
Lycoming
MSRP: $110.44FBO Price: $79.81Nut #6-32 Self Locking, Sold EachAN365-632CMSRP: $110.44FBO Price: $79.81 -
Full Lock Nuts 10-32 (50 per pack) - AN365-1032
Hardware
MSRP: $219.95FBO Price: $205.10Full Lock Nuts, Thread Size 10-32 (50 per pack) This part superseded MS21044N3. These precision-made nuts are reliable and economical fastening devices. The fiber insert gives a friction grip on the...AN365-1032MSRP: $219.95FBO Price: $205.10 -
Half Lock Nuts 8-32 (50 per pack) - AN364-832
Hardware
MSRP: $189.32FBO Price: $148.49Half Lock Nuts, Thread Size 8-32, These precision-made nuts are reliable and economical fastening devices. The fiber insert gives a friction grip on the threads of the bolt and holds securely. The...AN364-832MSRP: $189.32FBO Price: $148.49 -
Half Lock Nuts 7/16-20 (50 per pack) - AN364-720
Hardware
MSRP: $1,199.04FBO Price: $705.32Half Lock Nuts, Thread Size 7/16-20, These precision-made nuts are reliable and economical fastening devices. The fiber insert gives a friction grip on the threads of the bolt and holds securely...AN364-720MSRP: $1,199.04FBO Price: $705.32 -
Half Lock Nuts 632 (50 per pack) - AN364-632
Hardware
MSRP: $445.46FBO Price: $250.57Half Lock Nuts, Thread Size 632, These precision-made nuts are reliable and economical fastening devices. The fiber insert gives a friction grip on the threads of the bolt and holds securely. The...AN364-632MSRP: $445.46FBO Price: $250.57 -
Half Lock Nuts 3/8-24 (50 per pack) - AN364-624
Hardware
MSRP: $1,642.65FBO Price: $1,117.56Half Lock Nuts, Thread Size 3/8-24, These precision-made nuts are reliable and economical fastening devices. The fiber insert gives a friction grip on the threads of the bolt and holds securely. The...AN364-624MSRP: $1,642.65FBO Price: $1,117.56 -
Half Lock Nuts 5/16-24 (50 per pack) - AN364-524
Hardware
MSRP: $696.04FBO Price: $501.15Half Lock Nuts, Thread Size 5/16-24, These precision-made nuts are reliable and economical fastening devices. The fiber insert gives a friction grip on the threads of the bolt and holds securely...AN364-524MSRP: $696.04FBO Price: $501.15 -
Half Lock Nuts 1/4-28 (50 per pack) - AN364-428
Hardware
MSRP: $268.21FBO Price: $176.33Half Lock Nuts, Thread Size 1/4-28, These precision-made nuts are reliable and economical fastening devices. The fiber insert gives a friction grip on the threads of the bolt and holds securely. The...AN364-428MSRP: $268.21FBO Price: $176.33