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40R Retainer for Captive Screws
FSC- 5304- 411  Retainers listed here mate
with Series 4000 Captive Screws

Back To Captive Screws & Retainers Page
*Slightly Chamfered to Permit Smooth Entry / Fit.

Build Part Number
Material & Shape
Plating & Finish		 41R Installation
All Technical Data
Worksheet Helper		 Conversion Chart
Metric Captive Screws
Am. Standard Captive Screws
CHOOSE and write down your PART NUMBER
then Go to Skip Step 1
Part
Number		 Thread Panel
Thickness		 A
±
 .005		 B
+ .000
- .003		 C
±
 .010		 D
±
 .002		 E
±
 .002		 F
±
 .003		 G
+ .005		 H
REF		 J
±
 .005		  

40R01

 4- 40 .048- .072 .050  .188 .250 .198 .140 .250 .172 .026 .200  

40R02

 4- 40 .074- .109 .080  .188 .250 .198 .140 .250 .172 .026 .170  

40R03

 4- 40 .119- .156 .125  .188 .250 .198 .140 .250 .172 .026 .125  

40R04

 6- 32 .048- .072 .050  .188 .313 .198 .150 .250 .219 .026 .262  

40R05

 6- 32 .074- .109 .080  .188 .313 .198 .150 .250 .219 .026 .232  

40R06

 6- 32 .119- .156 .125  .188 .313 .198 .150 .250 .219 .026 .187  

40R07

 6- 32

.188

 .188  .188 .313 .198 .150 .250 .219 .026 .125  

40R08

 8- 32 .048- .072 .050  .218 .313 .228  .188 .313 .219 .026 .262  

40R09

 8- 32 .074- .109 .080 .218 .313 .228  .188 .313 .219 .026 .232  

40R10

 8- 32 .119- .156 .125 .218 .313 .228  .188 .313 .219 .026 .187  

40R11

 8- 32

.188

 .188 .218 .313 .228  .188 .313 .219 .026 .125  

40R12

 10- 24 .048- .072 .050  .270 .375 .280  .228 .375 .250 .032 .325  

40R13

 10- 24 .074- .109 .080 .270 .375 .280 .228 .375 .250 .032 .295  

40R14

 10- 24 .119- .156 .125 .270 .375 .280 .228 .375 .250 .032 .250  

40R15

 10- 24

.188

 .188 .270 .375 .280 .228 .375 .250 .032 .187  
Part
Number		 Thread Panel
Thickness		 A
±
 .005		 B
+ .000
- .003		 C
±
 .010		 D
±
 .002		 E
±
 .002		 F
±
 .003		 G
+ .005		 H
REF		 J
±
 .005		  

40R16

 10- 24

.250

 .250 .270 .375 .280 .228 .375 .250 .032 .125  

40R17

 10- 32 .048- .072 .050  .270 .375 .280  .228 .375 .250 .032 .325  
40R18 10- 32 .074- .109 .080 .270 .375 .280 .228 .375 .250 .032 .295  

40R19

 10- 32 .119- .156 .125 .270 .375 .280 .228 .375 .250 .032 .250  

40R20

 10- 32

.188

 .188 .270 .375 .280 .228 .375 .250 .032 .187  

40R21

 10- 32

.250

 .250 .270 .375 .280 .228 .375 .250 .032 .125  

40R22

 1/4- 20 .048- .072 .050  .356 .437 .366  .295 .500 .313 .040 .387  

40R23

 1/4- 20 .074- .109 .080  .356 .437 .366 .295 .500 .313 .040 .357  

40R24

 1/4- 20 .119- .156 .125  .356 .437 .366  .295 .500 .313 .040 .312  

40R25

 1/4- 20

.188

 .188  .356 .437 .366  .295 .500 .313 .040 .249  

40R26

 1/4- 20

.250

 .250  .356 .437 .366 .295 .500 .313 .040 .187  

40R27

 1/4- 28 .048- .072 .050  .356 .437 .366  .295 .500 .313 .040 .387  

40R28

 1/4- 28 .074- .109 .080  .356 .437 .366 .295 .500 .313 .040 .357  

40R29

 1/4- 28 .119- .156 .125  .356 .437 .366  .295 .500 .313 .040 .312  

40R30

 1/4- 28

.188

 .188  .356 .437 .366  .295 .500 .313 .040 .249  
Part
Number		 Thread Panel
Thickness		 A
±
 .005		 B
+ .000
- .003		 C
±
  .010		 D
±
 .002		 E
±
 .002		 F
±
 .003		 G
+ .005		 H
REF		 J
±
 .005		  

40R31

 1/4- 28

.250

 .250  .356 .437 .366 .295 .500 .313 .040 .187  

40R32

 5/16- 18 .048- .072 .050  .404 .500 .414  .347 .625 .375 .042 .450  

40R33

 5/16- 18 .074- .109 .080  .404 .500 .414  .347 .625 .375 .042 .420  

40R34

 5/16- 18 .119- .156 .125  .404 .500 .414  .347 .625 .375 .042 .375  

40R35

 5/16- 18

.188

 .188  .404 .500 .414  .347 .625 .375 .042 .312  

40R36

 5/16- 18

.250

 .250  .404 .500 .414  .347 .625 .375 .042 .250  

40R37

 3/8- 16 .074- .109 .080  .469 .562 .475 .406 .875 .437 .050 .482  

40R38

 3/8- 16 .119- .156 .125  .469 .562 .475 .406 .875 .437 .050 .437  

40R39

 3/8- 16

.188

 .188  .469 .562 .475 .406 .875 .437 .050 .374  

40R40

 3/8- 16

.250

 .250 469 .562 .475 .406 .875 .437 .050 .312  
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UNICORP is a worldwide leader in manufacturing stock and custom electronic hardware,
handles and precision fasteners used by leading companies in nearly every industry since 1971.
Unicorp,  291 Cleveland St., Orange, New Jersey  07050  USA
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