Fittings, Screws, Couplings

Transcat is your premier provider of test and measurement fittings, screws and couplings. We carry an extensive inventory of test & measurement equipment, with over 3000 products available for same-day shipping. For many instruments, new instrument calibration is also available, ensuring that your product is tested and ready for use as soon as you get it.
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  1. Ralston Instruments QTHA-4FB0 1/2" NPTF x Quick-test Male, No Check-valve, Brass Connector Adapter
    Ralston Instruments QTHA-4FB0 1/2" NPTF x Quick-test Male, No Check-valve, Brass Connector Adapter 1/2"NPTF x Quick-test Male,No Check-valve,Brass Connector
    Order #: QTHA-4FB0
    Mfg #: QTHA-4FB0
    Availability: In stock
    Special Price $49.65 Regular Price $49.66
    1/2"NPTF x Quick-test Male,No Check-valve,Brass Connector Learn More
  2. Ralston Instruments QTHA-3FB0
    Ralston Instruments QTHA 3/8" NPTF x Quick-test Male, No Check-valve, Brass Connector Adapter 3/8"NPTF x Quick-test Male,No Check-valve,Brass Connector
    Order #: QTHA-3FB0
    Mfg #: QTHA-3FB0
    Availability: In stock
    $44.07
    3/8"NPTF x Quick-test Male,No Check-valve,Brass Connector Learn More
  3. Ralston Instruments QTFT-3MB1
    Ralston Instruments QTFT-3MB1 3/8" NPTM x QT Male with Check valve Cap & Chain, Brass Adapter 3/8"NPTM x QT Male w/Checkvalve Cap & Chain,Brass
    Order #: QTFT-3MB1
    Mfg #: QTFT-3MB1
    Availability: In stock
    Special Price $53.11 Regular Price $53.12
    3/8"NPTM x QT Male w/Checkvalve Cap & Chain,Brass Learn More
  4. Ralston Instruments QTHA-4FS0-QD 1/2" female NPT quick- disconnect x male QT Adapter
    Ralston Instruments QTHA-4FS0-QD 1/2" female NPT quick- disconnect x male QT Adapter 1/2" female NPT quick- disconnect x male QT
    Order #: QTHA-4FS0-QD
    Mfg #: QTHA-4FS0-QD
    Availability: In stock
    Special Price $130.22 Regular Price $130.23
    1/2" female NPT quick- disconnect x male QT Learn More
  5. Ralston Instruments QTFT-2MB1-RT 1/4" M BSPT x M Quick-test, with check valve, cap and chain, Brass Adapter
    Ralston Instruments QTFT-2MB1-RT 1/4" M BSPT x M Quick-test, with check valve, cap and chain, Brass Adapter 1/4"M BSPT x M Quick-test,w/chk valve,w/cap and chain,brass
    Order #: QTFT-2MB1-RT
    Mfg #: QTFT-2MB1-RT
    Availability: In stock
    $52.85
    1/4"M BSPT x M Quick-test,w/chk valve,w/cap and chain,brass Learn More
  6. New
    NORD-LOCK NL42 Wedge Locking Washers, M42, ID 1 7/10", OD 2.48", 25prs/bx
    NORD-LOCK NL42 Wedge Locking Washers, M42, ID 1 7/10", OD 2.48", 25prs/bx
    Order #: NL42
    Mfg #: NL42
    Availability: Ships in 3-4 weeks
    $283.85
    Wedge Locking Washers, M42, ID 1 7/10", OD 2.48", 25prs/bx Learn More
  7. New
    NORD-LOCK NL39 Wedge Locking Washers, 1 1/2", ID 1.59", OD 2 3/10", 25prs/bx
    NORD-LOCK NL39 Wedge Locking Washers, 1 1/2", ID 1.59", OD 2 3/10", 25prs/bx
    Order #: NL39
    Mfg #: NL39DP
    Availability: Ships in 3-4 weeks
    $291.92
    Wedge Locking Washers, 1 1/2", ID 1.59", OD 2 3/10", 25prs/bx Learn More
  8. New
    NORD-LOCK NL36SP Wedge Locking Washers, 1 3/8", ID 1.47", OD 2.48", 25prs/bx
    NORD-LOCK NL36SP Wedge Locking Washers, 1 3/8", ID 1.47", OD 2.48", 25prs/bx
    Order #: NL36SP
    Mfg #: NL36SP
    Availability: Ships in 3-4 weeks
    $283.85
    Wedge Locking Washers, 1 3/8", ID 1.47", OD 2.48", 25prs/bx Learn More
  9. New
    NORD-LOCK NL36 Wedge Locking Washers, 1 3/8", ID 1.47", OD 2.17", 25prs/bx
    NORD-LOCK NL36 Wedge Locking Washers, 1 3/8", ID 1.47", OD 2.17", 25prs/bx
    Order #: NL36
    Mfg #: NL36
    Availability: Ships in 3-4 weeks
    $256.00
    Wedge Locking Washers, 1 3/8", ID 1.47", OD 2.17", 25prs/bx Learn More
  10. New
    NORD-LOCK NL33SP Wedge Locking Washers, 1 1/4", ID 1.35", OD 2 3/10", 25prs/bx
    NORD-LOCK NL33SP Wedge Locking Washers, 1 1/4", ID 1.35", OD 2 3/10", 25prs/bx
    Order #: NL33SP
    Mfg #: NL33SP
    Availability: Ships in 3-4 weeks
    $266.43
    Wedge Locking Washers, 1 1/4", ID 1.35", OD 2 3/10", 25prs/bx Learn More
  11. New
    NORD-LOCK NL30SP Wedge Locking Washers, 1 1/8", ID 1.24", OD 2.17", 25prs/bx
    NORD-LOCK NL30SP Wedge Locking Washers, 1 1/8", ID 1.24", OD 2.17", 25prs/bx
    Order #: NL30SP
    Mfg #: NL30SP
    Availability: Ships in 3-4 weeks
    $266.43
    Wedge Locking Washers, 1 1/8", ID 1.24", OD 2.17", 25prs/bx Learn More
  12. New
    NORD-LOCK NL30 Wedge Locking Washers, 1 1/8", ID 1.24", OD 1.85", 50prs/bx
    NORD-LOCK NL30 Wedge Locking Washers, 1 1/8", ID 1.24", OD 1.85", 50prs/bx
    Order #: NL30
    Mfg #: NL30
    Availability: Ships in 3-4 weeks
    $396.12
    Wedge Locking Washers, 1 1/8", ID 1.24", OD 1.85", 50prs/bx Learn More
  13. New
    NORD-LOCK NL27SP Wedge Locking Washers, M27, ID 1.12", OD 1.91", 25prs/bx
    NORD-LOCK NL27SP Wedge Locking Washers, M27, ID 1.12", OD 1.91", 25prs/bx
    Order #: NL27SP
    Mfg #: NL27SP
    Availability: Ships in 3-4 weeks
    $209.65
    Wedge Locking Washers, M27, ID 1.12", OD 1.91", 25prs/bx Learn More
  14. New
    NORD-LOCK NL27 Wedge Locking Washers, M27, ID 1.12", OD 1.65", 50prs/bx
    NORD-LOCK NL27 Wedge Locking Washers, M27, ID 1.12", OD 1.65", 50prs/bx
    Order #: NL27
    Mfg #: NL27
    Availability: Ships in 3-4 weeks
    $335.73
    Wedge Locking Washers, M27, ID 1.12", OD 1.65", 50prs/bx Learn More
  15. New
    NORD-LOCK NL1 SP Wedge Locking Washers, 1", ID 1 1/10", OD 1.91", 50prs/bx
    NORD-LOCK NL1 SP Wedge Locking Washers, 1", ID 1 1/10", OD 1.91", 50prs/bx
    Order #: NL1-SP
    Mfg #: NL1 SP
    Availability: Ships in 3-4 weeks
    $388.25
    Wedge Locking Washers, 1", ID 1 1/10", OD 1.91", 50prs/bx Learn More
  16. New
    NORD-LOCK NL24SP Wedge Locking Washers, M24, ID 1", OD 1.91", 50prs/bx
    NORD-LOCK NL24SP Wedge Locking Washers, M24, ID 1", OD 1.91", 50prs/bx
    Order #: NL24SP
    Mfg #: NL24SP
    Availability: Ships in 3-4 weeks
    $425.39
    Wedge Locking Washers, M24, ID 1", OD 1.91", 50prs/bx Learn More
  17. New
    NORD-LOCK NL24 Wedge Locking Washers, M24, ID 1", OD 1.54", 100prs/bx
    NORD-LOCK NL24 Wedge Locking Washers, M24, ID 1", OD 1.54", 100prs/bx
    Order #: NL24
    Mfg #: NL24
    Availability: Ships in 3-4 weeks
    $474.73
    Wedge Locking Washers, M24, ID 1", OD 1.54", 100prs/bx Learn More
  18. New
    NORD-LOCK NL22SP Wedge Locking Washers, 7/8", ID 0.92", OD 1.65", 50prs/bx
    NORD-LOCK NL22SP Wedge Locking Washers, 7/8", ID 0.92", OD 1.65", 50prs/bx
    Order #: NL22SP
    Mfg #: NL22SP
    Availability: Ships in 3-4 weeks
    $350.53
    Wedge Locking Washers, 7/8", ID 0.92", OD 1.65", 50prs/bx Learn More
  19. New
    NORD-LOCK NL22 Wedge Locking Washers, 7/8", ID 0.92", OD 1.36", 100prs/bx
    NORD-LOCK NL22 Wedge Locking Washers, 7/8", ID 0.92", OD 1.36", 100prs/bx
    Order #: NL22
    Mfg #: NL22
    Availability: Ships in 3-4 weeks
    $370.93
    Wedge Locking Washers, 7/8", ID 0.92", OD 1.36", 100prs/bx Learn More
  20. New
    NORD-LOCK NL20SP Wedge Locking Washers, M20, ID 0.84", OD 1.54", 100prs/bx
    NORD-LOCK NL20SP Wedge Locking Washers, M20, ID 0.84", OD 1.54", 100prs/bx
    Order #: NL20SP
    Mfg #: NL20SP
    Availability: Ships in 3-4 weeks
    $538.03
    Wedge Locking Washers, M20, ID 0.84", OD 1.54", 100prs/bx Learn More
  21. New
    NORD-LOCK NL20 Wedge Locking Washers, M20, ID 0.84", OD 1.21", 100prs/bx
    NORD-LOCK NL20 Wedge Locking Washers, M20, ID 0.84", OD 1.21", 100prs/bx
    Order #: NL20
    Mfg #: NL20
    Availability: Ships in 3-4 weeks
    $275.37
    Wedge Locking Washers, M20, ID 0.84", OD 1.21", 100prs/bx Learn More
  22. New
    NORD-LOCK NL3/4 SP Wedge Locking Washers, 3/4", ID 0.79", OD 1.54", 100prs/bx
    NORD-LOCK NL3/4 SP Wedge Locking Washers, 3/4", ID 0.79", OD 1.54", 100prs/bx
    Order #: NL3-4-SP
    Mfg #: NL3/4 SP
    Availability: Ships in 3-4 weeks
    $433.29
    Wedge Locking Washers, 3/4", ID 0.79", OD 1.54", 100prs/bx Learn More
  23. New
    NORD-LOCK NL3/4 Wedge Locking Washers, 3/4", ID 0.79", OD 1.21", 100prs/bx
    NORD-LOCK NL3/4 Wedge Locking Washers, 3/4", ID 0.79", OD 1.21", 100prs/bx
    Order #: NL3-4
    Mfg #: NL3/4
    Availability: Ships in 3-4 weeks
    $251.41
    Wedge Locking Washers, 3/4", ID 0.79", OD 1.21", 100prs/bx Learn More
  24. New
    NORD-LOCK NL18SP Wedge Locking Washers, M18, ID 0.77", OD 1.36", 100prs/bx
    NORD-LOCK NL18SP Wedge Locking Washers, M18, ID 0.77", OD 1.36", 100prs/bx
    Order #: NL18SP
    Mfg #: NL18SP
    Availability: Ships in 3-4 weeks
    $406.41
    Wedge Locking Washers, M18, ID 0.77", OD 1.36", 100prs/bx Learn More
  25. New
    NORD-LOCK NL18 Wedge Locking Washers, M18, ID 0.77", OD 1.14", 100prs/bx
    NORD-LOCK NL18 Wedge Locking Washers, M18, ID 0.77", OD 1.14", 100prs/bx
    Order #: NL18
    Mfg #: NL18
    Availability: Ships in 3-4 weeks
    $245.53
    Wedge Locking Washers, M18, ID 0.77", OD 1.14", 100prs/bx Learn More
Showing 1-25 of 122
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