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Watson Replacement Parts/ 5B Interlock 

WT 1023R
OEM# 1023R 
Watson Type 5B Interlock                                      
Single Swing Doors
Complete Assembly Right Hand 
WT 1023L
OEM# 1023L 
Watson Type 5B Interlock                                      
Single Swing Doors
Complete Assembly Left Hand
OR
WT 1023R
OEM# 1023R 
Watson Type 5B Interlock                                      
Single Swing Doors
Complete Assembly Right Hand 
(Image of Entire Box Assembled)
W112
Primary Contact Assembly 
for 5B Interlock 
W111
Secondary Contact Assembly 
for 5B Interlock 
W117-8
Keeper with Contact Assembly, for 5B Interlock (SHORT)



WT DA1153
OEM# DA1153 
Cover Plate
WT DA 1034
WT DA 1035
OEM: Watson DA 1034/ DA 1035
Contact Separator 
Base 2-5/8" x 1-13/16" x 3/8"
Contact Separator 1-5/8" x 1-13/16" x 1/4"
WT DA 1042
WT DA 1043
OEM: Watson DA 1042/DA 1043
Contact Separator 
Base 3-7/16" x 1-13/16" x 3/8"
Contact Separator 2-1/2" x 5/8" x 1/4"
WT DA1293
OEM: Watson DA1293
STRICKER CONTACT ASSEMBLY
Stricker Stud -(2) 5/16" dia. 
Insulating Sleeve -(2) 1" long x 3/8" dia
Contact base 1-7/16" long x 1-1/4" wide x 3/16 thk.
Contact 1-3/32" long x 3/8" wide x 1/8" thk.
WT EA1010
OEM: Watson EA1010
Insulator 
Length 1-1/2", Width 1-1/4", Thk. 1/16"
Slot 1-1/8" x 7/16", (2) 3/16" holes 
WT EA1012
OEM: Watson EA1012
Insulator 
Length 1-1/2", Width 1-1/4", Thk. 1/32"
 (2) 3/16" dia. holes
WT GSC16
OEM: Watson GSC16
Spring
O.D. 7/32" dia., I.D. 3/16", Length 9/16"
WT DA1024
OEM: Watson DA1024
Operating Pin 
Length 1-5/16", Ball 3/8" dia., Stem 3/16" dia.
WT GSC38
OEM: Watson GSC38
Spring
Length 2-7/8", O.D. 5/8", I.D. 1/2"
1  WT EA4027 
    OEM: Watson EA 4027
    Spring Stud - 7/8" x 3/8" 
2  WT GSC16 
    ​OEM: Watson GSC16
    Spring - 9/16" long x 7/32" O.D. x     3/16"I.D
3  WT DA4225
​    OEM: Watson 
    Cup Washer -5/32" dia.  
W116-8
Keeper with Contact Assembly, for 5B Interlock (LONG)



WT DA1293A
OEM: Watson DA1293
STRICKER CONTACT ASSEMBLY
Stricker Stud -(2) 5/16" dia. 
Insulating Sleeve -(2) 1" long x 3/8" dia
Contact base 1-7/16" long x 1-1/4" wide x 3/16 thk.
Contact 1-3/32" long x 3/8" wide x 1/8" thk.
Including Insulators