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Stainless Steel Compression Fittings & Barb Compression Fittings

STC provides and manufactures a complete line of Stainless Steel compression fittings and barb compression fittings, including both inch and metric sizes. We have a large stock of products in our California warehouse, ready to be shipped out same-day!

Compression Fittings Selection Guide  (Click on a picture to get details)

Back Ferrule Compression Tube Fitting
BFC
Back Ferrule
Stainless Steel Branch Tee Compression Tube Fitting
BTC
Branch Tee
Stainless Steel Bulkhead Union Compression Tube Fitting
BUC
Bulkhead Connector
Butt Weld Conector Compression Tube Fitting
BWC
Butt Weld Connector
Compression Tube Fitting Cap
CPC
Cap for Tube
Stainless Steel Cross Union Compression Tube Fitting
CUC
Cross Union
Stainless Steel Elbow Union Compression Tube Fitting
EUC
Elbow Union
Stainless Steel Female Branch Tee Compression Tube Fitting
FBC
Female Branch Tee
Stainless Steel Female Compression Tube Fitting
FCC
Female Connector
Front Ferrule Compression Tube Fitting
FFC
Front Ferrule
Stainless Steel Male Compression Tube Fitting
MCC
Male Connector
Stainless Steel Male Elbow Compression Tube Fitting
MEC
Male Elbow
Compression Tube Fitting Nut
NTC
Nut
Compression Tube Fitting Plug
PGC
Plug for Fitting
Stainless Steel Reducing Union Compression Tube Fitting
RUC
Reducing Union
Stainless Steel Run Tee Compression Tube Fitting
RTC
Run Tee
Stainless Steel Straight Union Compression Tube Fitting
SUC
Straight Union
Stainless Steel Tee Union Compression Tube Fitting
TUC
Tee Union
Tube Reducer Compression Tube Fitting
TRC
Tube Stem Reducer

Barb Compression Fittings Selection Guide  (Click on a picture to get details)


BTA
Male Branch
Tee Swivel

BUA
Bulkhead Union

EUA
Elbow Union

FCA
Female Connector

MCA
Male Connector

MEA
Male Elbow Swivel Connector

PGA
Plug

SUA
Straight Union

TUA
Tee Union

STC Compression Fittings

  Stainless Steel Branch Tee Compression Tube Fitting Stainless Steel Female Compression Tube Fitting Stainless Steel Female Branch Tee Compression Fitting Stainless Steel Male Compression Tube Fitting Stainless Steel Male Elbow Compression Tube Fitting Stainless Steel Run Tee Compression Tube Fitting
Model Branch Tee Female Connector Female Branch Tee Male Connector Male Elbow Run Tee
BTC FCC FBC MCC MEC RTC
Tube OD Thread Part No.Price Part No.Price Part No.Price Part No.Price Part No.Price Part No.Price
1/8"NPT1/8"BTC 1/8 N1/8$29.46 FCC 1/8 N1/8$15.30FBC 1/8 N1/8$38.47 MCC 1/8 N1/8$9.92MEC 1/8 N1/8$16.40 RTC 1/8 N1/8$29.86
1/8" NPT1/4"BTC 1/8 N1/4$33.36 FCC 1/8 N1/4$15.30FBC 1/8 N1/4$38.47 MCC 1/8 N1/4$10.92 MEC 1/8 N1/4$16.40 RTC 1/8 N1/4$38.98
3/16"NPT1/8"      MCC 3/16 N1/8$9.18     
1/4"10-32UNF  FCC 1/4 N1/8$11.13        
1/4"NPT1/8"BTC 1/4 N1/8$29.46 FCC 1/4 N1/4$13.63FBC 1/4 N1/8$40.32 MCC 1/4 N1/8$8.59MEC 1/4 N1/8$22.91 RTC 1/4 N1/8$28.28
1/4"NPT1/4"BTC 1/4 N1/4$33.48 FCC 1/4 N3/8$17.44FBC 1/4 N1/4$40.32 MCC 1/4 N1/4$8.91MEC 1/4 N1/4$15.34RTC 1/4 N1/4$33.48
1/4"NPT3/8"  FCC 1/4 N1/2$21.50FBC 1/4 N3/8$48.06 MCC 1/4 N3/8$10.95 MEC 1/4 N3/8$22.91 RTC 1/4 N3/8$38.98
1/4" NPT1/2"        MEC 1/4 N1/2$29.76   
5/16" NPT1/8"BTC 5/16 N1/4$34.65FCC 5/16 N1/8$14.23  MCC 5/16 N1/8$12.63 MEC 5/16 N1/8$22.91   
5/16" NPT1/4"BTC 5/16 N1/4$36.96FCC 5/16 N1/4$15.02  MCC 5/16 N1/4$12.63 MEC 5/16 N1/4$22.91   
5/16" NPT3/8"BTC 5/16 N3/8$42.00          
3/8"NPT1/8"  FCC 3/8 N1/8$14.85  MCC 3/8 N1/8$15.75MEC 3/8 N1/8$28.20   
3/8" NPT1/4"BTC 3/8 N1/4$42.00 FCC 3/8 N1/4$14.85  MCC 3/8 N1/4$18.19 MEC 3/8 N1/4$28.20RTC 3/8 N1/4$35.56
3/8"NPT3/8"BTC 3/8 N3/8$42.00 FCC 3/8 N3/8$18.82  MCC 3/8 N3/8$15.75 MEC 3/8 N3/8$38.97RTC 3/8 N3/8$41.19
3/8"NPT1/2"  FCC 3/8 N1/2$24.93  MCC 3/8 N1/2$21.11 MEC 3/8 N1/2$38.97  
1/2"NPT1/4"BTC 1/2 N1/4$53.38FCC 1/2 N1/4$27.08FBC 1/2 N1/4$83.58MCC 1/2 N1/4$16.62MEC 1/2 N1/4$30.62   
1/2"NPT3/8"BTC 1/2 N3/8$53.38FCC 1/2 N3/8$27.08FBC 1/2 N3/8$83.58MCC 1/2 N3/8$17.27MEC 1/2 N3/8$30.62 RTC 1/2 N3/8$53.32
1/2"NPT1/2"BTC 1/2 N1/2$56.11FCC 1/2 N1/2$27.08FBC 1/2 N1/2$83.58MCC 1/2 N1/2$18.48MEC 1/2 N1/2$33.93 RTC 1/2 N1/2$56.11
1/2" NPT3/4"  FCC 1/2 N3/4$33.73  MCC 1/2 N3/4$24.84 MEC 1/2 N3/4$49.64   
5/8" NPT3/8"BTC 5/8 N3/8$68.45FCC 5/8 N3/8$35.66  MCC 5/8 N3/8$24.84 MEC 5/8 N3/8$40.37   
5/8" NPT1/2"BTC 5/8 N1/2$69.54FCC 5/8 N1/2$35.66FBC 5/8 N1/2$83.58 MCC 5/8 N1/2$24.84 MEC 5/8 N1/2$40.37 RTC 5/8 N1/2$69.54
5/8" NPT3/4"      MCC 5/8 N3/4$31.31 MEC 5/8 N3/4$51.37   
3/4" NPT1/2"  FCC 3/4 N1/2$36.97FBC 3/4 N1/2$83.58MCC 3/4 N1/2$32.56MEC 3/4 N1/2$48.45   
3/4" NPT3/4"BTC 3/4 N3/4$83.93FCC 3/4 N3/4$37.29  MCC 3/4 N3/4$33.41 MEC 3/4 N3/4$48.45 RTC 3/4 N3/4$83.93
3/4" NPT1"      MCC 3/4 N1$44.28    
1" NPT3/4"  FCC 1 N3/4$75.93FBC 1 N3/4$199.14MCC 1 N3/4$55.62 MEC 1 N3/4$85.34   
1" NPT1"  FCC 1 N1$90.53FBC 1 N1$207.52MCC 1 N1$55.62 MEC 1 N1$85.34   
4mmM5      MCC 4 M5$15.75     
4mmM6X1      MCC 4 M8$11.50     
4mmR1/8      MCC 4 R1/8 $11.50     
6mmM5      MCC 6 M5 $11.50 MEC 6 M5 $22.87  
6mmR1/8      MCC 6 R1/8 $11.50 MEC 6 R1/8 $18.87  
6mmR1/4BTC 6 R1/4$33.48    MCC 6 R1/4 $11.50 MEC 6 R1/4 $18.87   
6mmR3/8BTC 6 R3/8$33.48      MEC 6 R3/8$19.72  
6mmR1/2        MEC 6 R1/2$28.38   
8mmR1/8BTC 8 R1/8$43.21     MCC 8 R1/8$11.50 MEC 8 R1/8$21.16   
8mmR1/4BTC 8 R1/4$43.21     MCC 8 R1/4 $12.89 MEC 8 R1/4 $21.16   
8mmR3/8      MCC 8 R3/8 $14.53MEC 8 R3/8 $30.62   
8mmR1/2        MEC 8 R1/2$30.62   
10mmR1/8      MCC 10 R1/8$10.14MEC 10 R1/8$22.37   
10mmR1/4      MCC 10 R1/4 $10.14MEC 10 R1/4 $22.37   
10mmR3/8      MCC 10 R3/8 $12.89MEC 10 R3/8 $22.37  
10mmR1/2      MCC 10 R1/2$21.11 MEC 10 R1/2$29.70  
12mmR1/4BTC 12 R1/4$56.29     MCC 12 R1/4$25.67MEC 12 N1/4$35.52   
12mmR3/8BTC 12 R1/2$56.29     MCC 12 R3/8$25.67 MEC 12 R3/8 $35.52   
12mmR1/2BTC 12 R3/8$56.29     MCC 12 R1/2 $27.55 MEC 12 R1/2 $35.52  

  Stainless Steel Bulkhead Union Compression Tube Fitting Stainless Steel Elbow Union Compression Tube Fitting Stainless Steel Straight Union Compression Tube Fitting Stainless Steel Tee Union Compression Tube Fitting Stainless Steel Cross Union Compression Tube Fitting Stainless Steel Reducing Union Compression Tube Fitting
Model Bulkhead Union Elbow Union Straight Union Tee Union Cross Union Reducing Union
BUC EUC SUC TUC CUC RUC
Tube OD Part No.Price Part No.Price Part No.Price Part No.Price Part No.Price Part No.Price
1/8BUC 1/8$27.13EUC 1/8$24.32SUC 1/8$15.18TUC 1/8$29.41CUC 1/8$60.78RUC 1/8-1/16$19.82
1/4BUC 1/4$26.03EUC 1/4$23.32SUC 1/4$15.18TUC 1/4$31.79CUC 1/4$55.40RUC 1/4-1/8$15.67
5/16BUC 5/16$26.03EUC 5/16$23.32SUC 5/16$15.18TUC 5/16$33.60CUC 5/16$55.40RUC 5/16-1/4$15.67
3/8BUC 3/8$37.79EUC 3/8$23.32SUC 3/8$17.71TUC 3/8$33.60CUC 3/8$69.63RUC 3/8-1/8$24.03
1/2BUC 1/2$40.23EUC 1/2$36.67SUC 1/2$26.86TUC 1/2$49.09CUC 1/2$72.26RUC 3/8-1/4$24.03
5/8BUC 5/8$59.71EUC 5/8$49.52SUC 5/8$36.86TUC 5/8$59.84CUC 5/8 $107.25RUC 1/2-3/8$28.68
3/4BUC 3/4$66.91EUC 3/4$65.15SUC 3/4$44.80TUC 3/4$76.69CUC 3/4$142.59RUC 5/8-3/8$44.25
1BUC 1$132.80EUC 1$132.80SUC 1$77.96TUC 1$169.79CUC 1$254.51RUC 5/8-1/2$44.25
4mm    SUC 4$15.18       
6mmBUC 6$27.13 EUC 6$18.66SUC 6$15.18 TUC 6$29.41     
8mm    SUC 8$15.18 TUC 8$31.79     
10mm  EUC 10$23.32 SUC 10$22.32       
12mm  EUC 12$40.29 SUC 12$26.86      

  Compression Tube Fitting Cap Back Ferrule Compression Tube Fitting Front Ferrule Compression Tube Fitting Compression Tube Fitting Nut Compression Tube Fitting Plug Tube Reducer Compression Tube Fitting Butt Weld Conector Compression Tube Fitting
Model Cap Back Ferrule Front Ferrule Nut Plug Tube Stem Reducer Tube X Male Pipe
(Butt Weld)
CPC BFC FFC NTC PGC TRC BWC
Tube OD Part No.Price Part No.Price Part No.Price Part No.Price Part No.Price Part No.Price Part No.Price
1/8CPC 1/8$8.88BFC 1/8$1.70FFC 1/8$2.93NTC 1/8$2.93PGC 1/8$8.79 TRC 1/8X1/16$18.67 BWC 1/8X1/8$9.24
1/4CPC 1/4$7.53BFC 1/4$1.38FFC 1/4$2.64NTC 1/4$2.64PGC 1/4$6.75 TRC 1/8X1/8$12.44 BWC 1/4X1/8$8.98
5/16CPC 5/16$8.02BFC 5/16$1.75FFC 5/16$4.47NTC 5/16$4.47PGC 5/16$7.83 TRC 1/8X1/4$12.35 BWC 1/4X1/4$9.42
3/8CPC 3/8$10.03BFC 3/8$1.71FFC 3/8$3.58NTC 3/8$3.58PGC 3/8$7.92 TRC 1/4X1/8$13.85 BWC 5/16X1/4$14.77
1/2CPC 1/2$15.05BFC 1/2$2.42FFC 1/2$5.86NTC 1/2$5.86PGC 1/2$11.28 TRC 1/4X1/4$9.68 BWC 3/8X1/4$14.74
5/8CPC 5/8$18.93BFC 5/8$2.99FFC 5/8$8.45NTC 5/8$8.45PGC 5/8 $17.48 TRC 1/4X3/8$11.13 BWC 3/8X3/8$15.08
3/4CPC 3/4$25.42BFC 3/4$3.69FFC 3/4$10.08NTC 3/4$10.08PGC 3/4$18.82 TRC 1/4X1/2$13.07 BWC 3/8X1/2$20.75
1CPC 1$47.37BFC 1$5.75FFC 1$19.19NTC 1$19.19PGC 1$36.62 TRC 5/16X1/4$15.57 BWC 1/2X1/2$20.38
TRC 3/8X1/4$13.80 BWC 1/2X3/4$30.31
4mm  BFC 4$2.44       TRC 3/8X3/8$13.43 BWC 5/8X1/2$23.47
6mm  BFC 6$2.02FFC 6$2.64NTC 6$2.64PGC 6$6.75 TRC 3/8X1/2$13.80 BWC 3/4X3/4$34.28
8mm  BFC 8$2.45FFC 8$4.47NTC 8$4.47   TRC 1/2X1/2$16.89 BWC 1X1$66.31
10mm     FFC 10$5.86NTC 10$5.86   TRC 1/2X3/4$19.54
12mm  BFC 12$3.52FFC 12$5.86NTC 12$5.86   TRC 1X1$60.49

STC Barb Compression Fittings

Model Male Branch Tee Swivel Female Connector Male Connector Male Elbow Swivel Connector
BTA FCA MCA MEA
Tube OD Thread Part No.Price Part No.Price Part No.Price Part No.Price
1/8"N1/8BTA 1/8 N1/8$27.00   MCA 1/8 N1/8$13.02 MEA 1/8 N1/8$24.09
1/8"N1/4BTA 1/8 N1/4$27.00   MCA 1/8 N1/4$13.02 MEA 1/8 N1/4$24.09
5/32"N1/8BTA 5/32 N1/4$27.00   MCA 5/32 N1/8$13.02 MEA 5/32 N1/8$24.09
5/32"N1/4BTA 5/32 N1/8$27.00   MCA 5/32 N1/4$13.02 MEA 5/32 N1/4$24.09
1/4"N1/8BTA 1/4 N1/8$27.00 FCA 1/4 N1/8$17.90 MCA 1/4 N1/8$13.02 MEA 1/4 N1/8$24.09
1/4"N1/4BTA 1/4 N1/4$27.00 FCA 1/4 N1/4$17.90 MCA 1/4 N1/4$13.02 MEA 1/4 N1/4$24.09
5/16"N1/8BTA 5/16 N1/8$32.42   MCA 5/16 N1/8$13.02 MEA 5/16 N1/8$27.00
5/16"N1/4BTA 5/16 N1/4$32.42   MCA 5/16 N1/4$13.02 MEA 5/16 N1/4$27.00
5/16"N3/8BTA 5/16 N3/8$32.42   MCA 5/16 N3/8$13.02 MEA 5/16 N3/8$27.00
3/8"N1/4BTA 3/8 N1/4$35.51   MCA 3/8 N1/4$13.02 MEA 3/8 N1/4$27.00
3/8"N3/8BTA 3/8 N3/8$35.51   MCA 3/8 N3/8$13.02 MEA 3/8 N3/8$27.00
3/8"N1/2BTA 3/8 N1/2$35.51   MCA 3/8 N1/2$13.02 MEA 3/8 N1/2$27.00
1/2"N1/4BTA 1/2 N1/4$35.51   MCA 1/2 N1/4$13.02 MEA 1/2 N1/4$30.73
1/2"N3/8BTA 1/2 N3/8$35.51   MCA 1/2 N3/8$13.02 MEA 1/2 N3/8$30.73
1/2"N1/2BTA 1/2 N1/2$35.51   MCA 1/2 N1/2$13.02 MEA 1/2 N1/2$30.73

Model Bulkhead Union Elbow Union Plug Straight Union Tee Union
BUA EUA PGA SUA TUA
Tube OD Part No.Price Part No.Price Part No.Price Part No.Price Part No.Price
1/8"BUA 1/8$27.55 EUA 1/8$27.55 PGA 1/8$5.30 SUA 1/8$16.49 TUA 1/8$27.55
5/32"BUA 5/32$27.55 EUA 5/32$27.55 PGA 5/32$5.30 SUA 5/32$16.49 TUA 5/32$27.55
1/4"BUA 1/4$27.55 EUA 1/4$27.55 PGA 1/4$5.30 SUA 1/4$16.49 TUA 1/4$27.55
5/16"BUA 5/16$27.55 EUA 5/16$27.55 PGA 5/16$5.30 SUA 5/16$17.54 TUA 5/16$27.55
3/8"BUA 3/8$27.55 EUA 3/8$27.55 PGA 3/8$5.30 SUA 3/8$20.69 TUA 3/8$32.42
1/2"BUA 1/2$27.55 EUA 1/2$27.55 PGA 1/2$5.30 SUA 1/2$28.04 TUA 1/2$37.94

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