Vinyl window Tilt Latch, Slide-In Plastic Square housing, Slant Nose & Standard Actuator, Latch is slightly recessed (not flush) with side of Housing
May be Interchangeable with other ones that look similar, note the width of the latch width is most important.

Housing Width: 11/16 inch
Housing Length: 2-11/16 inch
Housing Type: Square ( Square or Round )
Latch Bolt: Standard ( Standard or Scallop )
Nose Size: 1/4 inch .248 ( 5 Widths)
Stile Snap In: 5/64 inch .075 ( 5 positions)
Actuator: Standard ( 4 choices )
Slide in Groove: 1/16 inch
Material: Plastic
Color: Almond, Adobe, Vision Tan, White ( main image is almond ) 
Priced and sold in pairs.

Additional Information:
* Pat. # 5.139.291
* Housings are square or round, either will work on most windows
* Latch Bolt are Slanted or Scallops, either will work on most windows
* The slide in groove is important, some are narrow, some wide. Thickness of the vinyl may affect the fit.
* Latch offset is important and may make window hard to open and close if to wide.
* Stile Snap In on bottom of housing vary, most have a number to ID the offset. This is not critical on most windows. This holds the housing in place.
* Actuator is decorative only, does not matter which one you have, They all work the same.
** Note: Several Manufactures have the same thing with slightly different looks. If the Key measurements match you should be good, if the latch width is too wide, it can be filed down as needed.