
ABBREVIATIONS
Assy ..........................................Assembly
A/R ............................................ As Required
B ................................................Bolt
Brg .............................................Bearing
BSN ...........................................Before Serial Number
Btm ............................................Bottom
C-Bolt ........................................ Carriage Bolt
Cttr.............................................Cotter
CV .............................................Constant Velocity
Deg ............................................ Degree
Dia ............................................. Diameter
ea ..............................................Eac
eq or Equiv ................................. Equivalent
Fln ............................................. Flanged Lock Nut
Fw .............................................. Flat Was er
Ga .............................................. Gauge
Gr or Grd ....................................Grade
Hd ..............................................Head
Hyd ............................................Hydraulic
ID ...............................................Inside Diameter
Ill or Illus .................................... Illustration
Ind .............................................. Indicator
Kw .............................................Keyway
LH ..............................................Left Hand
Ln ..............................................Lock Nut
Lw ..............................................Lock Was er
Mtg Hrd ......................................Mounting Hardware
NC .............................................National Coarse
NF .............................................. National Fine
NPT ........................................... National Pipe T read
OD .............................................Outside Diameter
Pc(s) ..........................................Piece(s)
PD ............................................. Pitc Diameter
PTO ...........................................Power Takeoff (s aft)
Q or Qty ..................................... Quantity
Reg Mac ..................................Regular Mac ine
RH .............................................Rig t Hand
SN ............................................. Serial Number
Spk, or Spkt or Sprkt ................. Sprocket
Sq ..............................................Square
SS .............................................Stainless Steel
SSB ...........................................Stainless Steel Bolt
St ...............................................Straig t
Std .............................................Standard
STS ...........................................Self Tapping Screw
UASN ........................................Used After Serial Number
UBSN ........................................Used Before Serial Number
W...............................................Wit
W/O ...........................................Wit Out