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: $16.60FBO Price: $11.07 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: $16.60FBO Price: $11.07 -
Nut - New Surplus - 532362NS
MSRP: $4.01FBO Price: $1.04Nut - 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: $4.01FBO Price: $1.04 -
Nut - Self Locking - MS21042-4
Continental Motors, Inc.
MSRP: $7.25FBO Price: $5.33Nut - Self Locking, Sold Each        ÂMS21042-4MSRP: $7.25FBO Price: $5.33 -
Nut - Lock Self .31-24 - 636931
Continental Motors, Inc.
MSRP: $116.89FBO Price: $85.96 Nut - Lock Self .31-24, Sold Each    Â636931MSRP: $116.89FBO Price: $85.96 -
Locknut - .3125-18 Hex - STD-2233
Lycoming
MSRP: $47.80FBO Price: $34.50Â Locknut - .3125-18 Hex - STD-2233, Sold Each ÂSTD-2233MSRP: $47.80FBO Price: $34.50 -
Nut - .3125-18 Self Locking - STD-2043
Lycoming
MSRP: $95.78FBO Price: $81.71Â Nut - .3125-18 Self Locking - STD-2043, Sold Each ÂSTD-2043MSRP: $95.78FBO Price: $81.71 -
Nut - .250-28 UNJC-3B-Self Locking - MS21043-4
Lycoming
MSRP: $15.09FBO Price: $10.90Â Nut - .250-28 UNJC-3B-Self Locking, Sold Each ÂMS21043-4MSRP: $15.09FBO Price: $10.90 -
Nut - .375-24 UNF-Self Locking - MS20500-624
Lycoming
MSRP: $98.10FBO Price: $70.82Â Nut - .375-24 UNF-Self Locking, Sold Each ÂMS20500-624MSRP: $98.10FBO Price: $70.82 -
Nut #6-32 Self Locking - AN365-632C
Lycoming
MSRP: $8.23FBO Price: $5.95Nut #6-32 Self Locking, Sold EachAN365-632CMSRP: $8.23FBO Price: $5.95 -
Full Lock Nuts 10-32 (50 per pack) - AN365-1032
Hardware
MSRP: $16.39FBO Price: $15.29Full Lock Nuts, Thread Size 10-32 (50 per pack) This part superseded MS21044N3.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: $16.39FBO Price: $15.29 -
Half Lock Nuts 8-32 (50 per pack) - AN364-832
Hardware
MSRP: $14.11FBO Price: $11.07Half 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: $14.11FBO Price: $11.07 -
Half Lock Nuts 7/16-20 (50 per pack) - AN364-720
Hardware
MSRP: $89.37FBO Price: $52.57Half 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: $89.37FBO Price: $52.57 -
Half Lock Nuts 632 (50 per pack) - AN364-632
Hardware
MSRP: $33.20FBO Price: $18.68Half 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: $33.20FBO Price: $18.68 -
Half Lock Nuts 3/8-24 (50 per pack) - AN364-624
Hardware
MSRP: $122.44FBO Price: $83.30Half 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: $122.44FBO Price: $83.30 -
Half Lock Nuts 5/16-24 (50 per pack) - AN364-524
Hardware
MSRP: $51.88FBO Price: $37.35Half 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: $51.88FBO Price: $37.35 -
Half Lock Nuts 1/4-28 (50 per pack) - AN364-428
Hardware
MSRP: $19.99FBO Price: $13.14Half 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: $19.99FBO Price: $13.14