One New Aftermarket Replacement Blade Mounting Lock Nut Fits John Deere Lawn and Garden Tractors

This 5/8-inch blade mounting lock nut secures mower blades to the spindle shaft on Fits John Deere (Fits JD) lawn and garden tractors. The nylon-insert/Type E locking element resists loosening caused by vibration and dynamic loads during mowing, keeping blades firmly seated for safe, consistent cutting performance. Replaces OEM part numbers GX21694 and A-GX21694.

Specifications

• Thread Size: 5/8 in (15.88 mm)
• Thread Pitch: 18 TPI
• Across Flats: 0.937 in (23.81 mm)
• Thickness / Height: 0.535 in (13.60 mm)
• Locking Element Type: E
• Finish: Zinc

Compatible Models

Fits John Deere 100 / D Series: 102, 105, 107H, 107S, 115, 125, 135, 145, 155C, 190C, D100, D105, D110, D120, D125, D130, D140, D150, D155, D160, D170

Fits John Deere E Series: E100, E110, E120, E130, E140, E150, E160, E170, E180

Fits John Deere G / L Series: G110, L120, L130

Fits John Deere LA Series: LA100, LA105, LA110, LA115, LA120, LA125, LA130, LA135, LA140, LA145, LA150, LA155, LA165, LA175

Fits John Deere S Series: S100, S110, S120, S140, S160, S170, S180

Fits John Deere X Series: X105, X106, X107, X110, X115R, X116R, X117R, X120, X125, X126, X127, X130R, X135R, X140, X145, X146R, X147R, X155R, X165, X166, X166R, X167, X167R

Fits John Deere Commercial / Rotary Mowers: 42, 44, 46

Fits John Deere Zero-Turn (EZtrak): 1430D, 1435D, 1440D, 1445D, 415D, 420D, 425D, 430D

Replaces Part Number(s):

GX21694, A-GX21694, E57454, PT7074, W11408, GY20454

Aftermarket Interchange Numbers

330-441, 302-456, 285-851

New aftermarket replacement part - not remanufactured, not used.