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Simplicity  >   703793
#703793 3/8-16 Hex Flange Lock Nut (Whiz Nut)
Messicks is a full line Simplicity dealer and will answer all your questions by phone or email. We strive to provide the best customer service, no matter where you live. If you need help finding specific part numbers call us at <b>877-260-3528</b> or email <a href=\"mailto:parts@messicks.com\">parts@messicks.com</a>.

#703793 3/8-16 Hex Flange Lock Nut (Whiz Nut)

$4.53

1 In Stock
Product has been replaced by 5025128SM  
Product replaces 1928352SM  

Weight: 0.00 lbs

Simplicity 703793 is a 3/8-16 hex flange lock nut, also called a whiz nut or flange lock nut. HFLN stands for hex flange lock nut, and 3/8-16 refers to the thread size. This hardware part is used in various applications on compatible equipment, including snowthrower drive groups, tiller drive groups, mower deck assemblies, frame and footrest groups, and power take-off (PTO) assemblies.

element not set
This part fits your tractor

This part fits 281 models   

1600044 - 310, 10HP Gear
1600045 - 310D, 10HP Gear
1600046 - 312, 12HP Gear
1600047 - 312D, 12HP Gear
1600048 - 312H, 12HP Hydro
1600151 - 310, 10HP Gear
1600152 - 310D, 10HP Gear
1600153 - 312, 12HP Gear
1600154 - 312D, 12HP Gear
1600155 - 312H, 12HP Hydro
1690525 - 3105 Rider (MS)
1690526 - 3108 Rider (MS)
1690527 - 3108 Rider (ES)
1690528 - 3110 Rider (ES)
1600049 - 314, 14HP Gear
1600050 - 314D, 14HP Gear
1600051 - 314H, 14HP Hydro
1600156 - 314, 14HP Gear
1600157 - 314D, 14HP Gear
1600158 - 314H, 14HP Hydro
1600258 - 410, 10HP 3-Speed Gear
1600259 - 414S, 14HP Shuttle
1600260 - 416S, 16HP Shuttle
1600261 - 416H, 16HP Hydro
1600299 - 410S, 10HP Shuttle
1690173 - 4008, 8HP Gear w/36" Mower and 36" Rotary Mower
1690174 - 4108, 8HP Gear w/36" Mower and 36" Rotary Mower
1690176 - 4208, 8HP Gear w/36" Mower and 36" Rotary Mower
1690206 - 4008, 8HP Gear w/36" Mower
1690207 - 4108, 8HP Gear w/36" Mower
1690208 - 4208, 8HP Gear w/36" Mower
More 400/4000 Series ...
1600225 - Snowthrower, Single Stage, 52"
1687741 - Snowthrower Up Fit Kit
1690032 - Snowthrower, Single Stage, 42"
1690033 - Snowthrower, Single Stage, 36"
1690034 - Snowthrower, Single Stage, 32"
1690070 - Tracker, 8HP 28" Snowthrower
1690071 - Tracker, 5HP 24" Snowthrower
1690169 - Snowthrower, Single Stage, 36"
1690209 - Sno-Away 1005, 5HP 24" Two-Stage Snowthrower
1690255 - Sno-Away 1008, 8HP 28" Two-Stage Snowthrower
1690305 - Sno-Away 1004, 4HP 20" Snowthrower
1690325 - Tracker, 21" Walk-Behind Snow Blower
1690378 - Snowbuster 421, 4HP 21" Snowthrower
1690379 - Snowbuster, 524 24" Snowthrower
1690381 - Snowbuster, 4HP 21" Snowthrower
1690382 - Snowbuster, 5HP 24" Snowthrower
1690383 - Snowbuster, 8HP 28" Snowthrower
More Walk-Behind Snowthrowers ...
1600328 - Hitch Assembly
1687726 - Up Fit Kit, Hitch & Tube
1690062 - 710, 10HP 3-Speed
1690072 - 9020, 19.5HP ONAN Gear
1690075 - 712S, 12HP KOH Shuttle
1690115 - 3008, Front Engine Rider Tractor
1690145 - 9020, 19.5HP with Single Spool Valve Tractor
1690159 - PTO, 540 RPM
1690204 - 7010, 10HP 6-Speed
1690213 - 712S, 12HP Shuttle (S/N 1001-2296)
1690213 - 712S, 12HP Shuttle (S/N 2297-3750)
1690215 - 710, 10HP KOH 6-Speed
1690219 - 808GT, 8HP 3-Speed
1690220 - 810GT, 10HP 3-Speed
1690230 - 9020, 19.5HP
1690232 - 7013S, 13HP
1690283 - 9020, 19.5HP, w/3 Pt. Hitch& Rear PTO
More Misc & Accessories ...
1600403 - Roticul System 1008, 8HP Walk-BehindTiller
1690239 - Roticul 1008, 8HP Walk-Behind Tiller
1682685 - 44" Mower Deck
1690222 - 810GT, 10HP 3-Speed and 42" Mower Deck
1690370 - 3110 Rider (ES) and 36" Mower Deck
1690579 - 7117H, 17HP Hydro w/Turf Tires and 48" Mower Deck
1686890 - Adapter Kit, Landlord Triple Catcher to Prestige & Conquest
1687725 - Up Fit Kit, Triple Grass Catcher
1690006 - 7016H 16HP Hydro
1690073 - 720, 19.5HP Hydro
1690214 - 712H, 12HP Hydro
1690217 - 712H, 12HP Hydro and 42" Rotary Mower
1690231 - 720, 19.5HP Hydro
1690288 - 720, 19.5HP Hydro w/P.T.O.
1690352 - 7012H, 12HP Hydro
1690366 - 7018H, 18HP Hydro
1690367 - 718H, 18HP Hydro (S/N 1001-1530)
1690367 - 718H, 18HP Hydro (S/N 1601-2201)
1690421 - 718H, 18HP Hydro (S/N 1001-1530) and 48" Rotary Mower
1690421 - 718H, 18HP Hydro (S/N 1601-2201) and 48" Rotary Mower
1690431 - 7018H, 18HP Hydro w/Turf Tires
1690432 - 7018H, 18HP Hydro w/Turf Tires and 48" Rotary Mower
1690433 - 7018H, 18HP Hydro w/Ag Tires
1690434 - 7018H, 18HP Hydro w/Ag Tires and 48" Rotary Mower
1690473 - 7112, 12HP w/Turf Tires
More 700/7000 Series ...
1690007 - Broadmoor 5010, 10HP Tractor
1690008 - Broadmoor 5008, 8HP Tractor
1690019 - Broadmoor 5008, 8HP Tractor and 36" Rotary Mower
1690020 - Broadmoor 5010, 10HP Tractor and 36" Rotary Mower
1690106 - Broadmoor 5010, 10HP Tractor and 42" Rotary Mower
1690118 - Broadmoor, 5010 LTD Tractor and 36" Rotary Mower
1690119 - Broadmoor, 5010 LTD Tractor
1690014 - 716H, 16HP Hydro
1690064 - 610, 10HP Transaxle
1690066 - 608, 8HP Transaxle
1690067 - 608, 8HP Transaxle and 36" Rotary Mower
1690108 - 610, 10HP Transaxle and 42" Rotary Mower
1690186 - 608LT, 8HP Transaxle and 36" Rotary Mower
1690190 - 608LT, 8HP Transaxle
1690192 - 6010, 10HP Tractor
1690193 - 6008, 8HP Tractor
1690199 - 6010, 10HP Tractor and 42" Mower Deck
1690200 - 6008, 8HP Tractor and 36" Mower Deck
1690202 - 7016H, 16HP
1690203 - 7016, 16HP 6-Speed
1690211 - 716H, 16HP Hydro (S/N 1001-2200)
1690211 - 716H, 16HP Hydro (S/N 2201-4169)
1690211 - 716H, 16HP Hydro (S/N 4301-5997)
1690212 - 716-6, 16HP 6-Speed
More 600/6000 Series ...
1690015 - Baron, 13HP System 7013 Shuttle
1690017 - Baron, 13HP System 7013 Shuttle and 42" Rotary Mower
1690184 - Baron, 13HP System 7013H
1690016 - 7010 Landlord 10HP, 3-Speed
1690018 - 7010 Landlord 10HP, 3-Speed and 42" Rotary Mower
1690039 - Tiller 36"
1690063 - 710, 10HP 3-Speed and 42" Rotary Mower
1690077 - 712S, 12HP KOH Shuttle and 42" Rotary Mower
1690090 - 3008, Front Engine Rider Tractor and 36" Rotary Mower
1690216 - 712S, 12HP Shuttle (S/N 1001-2296) and 42" Rotary Mower
1690216 - 712S, 12HP Shuttle (S/N 2297-3750) and 42" Rotary Mower
1690218 - 710, 10HP KOH 6-Speed and 42" Rotary Mower
1690221 - 808GT, 8HP 3-Speed and 36" Rotary Mower
1690233 - 7013S, 13HP and 42" Rotary Mower
1690234 - 7010, 10HP 6-Speed and 42" Rotary Mower
1690334 - 7010, 10HP 6-Speed and 42" Rotary Mower
1690350 - 811GT, 11HP 3-Speed and 42" Rotary Mower
1690353 - 7012H, 12HP Hydro and 42" Rotary Mower
1690368 - 3105 Rider (MS) and 26" Rotary Mower
1690369 - 3108 Rider (MS) and 30" Rotary Mower
1690395 - 3108 Rider (ES) and 30" Rotary Mower
1690412 - 42" Rotary Mower
1690413 - 48" Rotary Mower
More Mower Deck Parts ...
1690086 - Sovereign System 7016 16HP 3 Speed
1690532 - 526 Sprint, 8HP Gear and 26" Rotary Mower
1690533 - 830 Sprint, 8HP Gear and 30" Rotary Mower
1690534 - 1036 Sprint, 10HP 5-Speed and 36" Mower Deck
1690535 - 526 Sprint, 8HP Gear
1690536 - 830 Sprint, 8HP Gear
1690537 - 1036 Sprint, 10HP 5-Speed
STOCK ORDERS PLACED IN:
3 : 39 : 0
WILL SHIP TODAY