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3H21 Eaton Hansen HK 1-8 Series Female Socket 3/8-18 NPTF VALVED - ISO 7241-1 B Interchange Steel Quick Disconnect - Standard Buna-N Seal Replaces FD45-1003-06-06

  • $17.05
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3H21 Eaton Hansen HK 1-8 Series Female Socket 3/8-18 NPTF VALVED - ISO 7241-1 B Interchange Steel Quick Disconnect - Standard Buna-N Seal Replaces FD45-1003-06-06

  • $17.05

Eaton HK 1-8 Series - ISO 7241-1 B Interchange - Sockets (Female) - Steel

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Eaton's HK Series coupling sets the industry standard for ISO B Couplings. The HK Series features a rugged ball latch mechanism with automatic self-sealing poppet valves in a wide array of port configurations and multiple valved and non-valved configurations.

See How to Order Please reference Fluid Compatibility Chart (Both the elastomer and metal must be considered when determining suitability of combination for a coupling)

SPECIFICATIONS

Applications & Markets:
  • Agriculture
  • Hydraulic Tool
  • General Industry
  • Construction
  • Fluid Transfer
  • Transportation
  • Military
  • Law Enforcement/Rescue
  • Chemical
  • Oil and Gas
  • Consumer Products
  • HVAC
  • Food and Beverage
  • Trucks
  • Aerospace
  • Medical
Features: Meets dimensional requirements to ISO Standard 7241-1 Series B Self-sealing poppet valve design provides excellent high and low pressure sealing Standard seal material: Buna-N PTFE backup rings in sockets (females)
Seal Elastomer options Max. Operation Temperature Range**: Buna-N 40°F to +250°F -40°C to +121°C Neoprene -65°F to +212°F -54°C to +100°C EPDM (Ethylene Propylene Rubber) -65°F to +300°F -54°C to +149°C FKM (Fluorocarbon) -15°F to +400°F -29°C to +204°C

**Based on Eaton recommended temperatures (for reference only) For seals not listed call 330-535-7105

Physical Characteristics

Series Body Size ISO Size Nominal Flow Diameter Max. Operating Pressure Rated Flow Air Inclusion Fluid Loss
in mm mm bar psi lpm gpm cc.max. cc.max.
1HK 1/8 5 4.4 275 4000 3 0.8 0.6 0.5
2HK 1/4 6.3 5.9 345 5000 12 3 1.2 0.9
3HK 3/8 10 7.8 275 4000 23 6 2.9 2.1
4HK 1/2 12.5 10 345 5000 45 12 3.6 3.5
6HK 3/4 20 17 275 4000 100 26 11.5 9.3
8HK 1 25 19.6 275 4000 189 50 18.0 16.9
10HK 1 1/4.* - 26.7 118 1700 288 76 48.0 48.0
12HK 1 1/2 40 35.1 152 2200 375 99 91.3 91.3
20HK 2 1/2 50 46 104 1500 757 200 209.9 209.9

*For questions related to vacuum please contact Eaton **No ISO Standard available for the 10HK

NV = No Valve | VAA = Valve Actuator Assembly | SL = Sleeve Lock (Sockets Only)
Part Number Seal Elastomer Valved Body Size ISO Size Thread Size (Female) Dimensions
in mm NPTF BSPP SAE A B Across Flats
in (mm) in (mm) in (mm)
1H11 Standard Buna-N Yes 1/8 5 1/8-27 - - 1.91 (48.5) 0.98 (24.9) 0.56 (14.2)
1H11118 Neoprene Yes 1/8 5 1/8-27 - - 1.91 (48.5) 0.98 (24.9) 0.56 (14.2)
1H11143 FKM Yes 1/8 5 1/8-27 - - 1.91 (48.5) 0.98 (24.9) 0.56 (14.2)
1H11146 Special Buna-N* Yes 1/8 5 1/8-27 - - 1.91 (48.5) 0.98 (24.9) 0.56 (14.2)
1H11192 EPDM† Yes 1/8 5 1/8-27 - - 1.91 (48.5) 0.98 (24.9) 0.56 (14.2)
1H11BS Standard Buna-N Yes 1/8 5 1/8-28 - - 1.91 (48.5) 0.98 (24.9) 0.56 (14.2)
1H11NV Standard Buna-N No 1/8 5 1/8-27 - - 1.91 (48.5) 0.98 (24.9) 0.56 (14.2)
1H11SL Standard Buna-N Yes 1/8 5 1/8-27 - - 1.91 (48.5) 0.98 (24.9) 0.56 (14.2)
1H11VAA Standard Buna-N No 1/8 5 1/8-27 - - 1.91 (48.5) 0.98 (24.9) 0.56 (14.2)
1H11VAA143 FKM No 1/8 5 1/8-27 - - 1.91 (48.5) 0.98 (24.9) 0.56 (14.2)
1H4 Standard Buna-N Yes 1/8 5 - - 7/16-20 2.06 (52.3) 0.98 (24.9) 0.69 (17.5)
1H4143 FKM Yes 1/8 5 - - 7/16-20 2.06 (52.3) 0.98 (24.9) 0.69 (17.5)
1H4192 EPDM† Yes 1/8 5 - - 7/16-20 2.06 (52.3) 0.98 (24.9) 0.69 (17.5)
1H4VAA Standard Buna-N No 1/8 5 - - 7/16-20 2.06 (52.3) 0.98 (24.9) 0.69 (17.5)
1H4VAA143 FKM No 1/8 5 - - 7/16-20 2.06 (52.3) 0.98 (24.9) 0.69 (17.5)
2H16 Standard Buna-N Yes 1/4 6.3 1/4-18 - - 2.26 (57.4) 1.14 (29.0) 0.75 (19.1)
2H16115 PTFE Yes 1/4 6.3 1/4-18 - - 2.26 (57.4) 1.14 (29.0) 0.75 (19.1)
2H16118 Neoprene Yes 1/4 6.3 1/4-18 - - 2.26 (57.4) 1.14 (29.0) 0.75 (19.1)
2H16143 FKM Yes 1/4 6.3 1/4-18 - - 2.26 (57.4) 1.14 (29.0) 0.75 (19.1)
2H16146 Special Buna-N* Yes 1/4 6.3 1/4-18 - - 2.26 (57.4) 1.14 (29.0) 0.75 (19.1)
2H16192 EPDM† Yes 1/4 6.3 1/4-18 - - 2.26 (57.4) 1.14 (29.0) 0.75 (19.1)
2H16BS Standard Buna-N Yes 1/4 6.3 - 1/4-19 - 2.31 (58.7) 1.14 (29.0) 0.75 (19.1)
2H16BS115 PTFE Yes 1/4 6.3 - 1/4-19 - 2.31 (58.7) 1.14 (29.0) 0.75 (19.1)
2H16BS118 Neoprene Yes 1/4 6.3 - 1/4-19 - 2.31 (58.7) 1.14 (29.0) 0.75 (19.1)
2H16BS143 FKM Yes 1/4 6.3 - 1/4-19 - 2.31 (58.7) 1.14 (29.0) 0.75 (19.1)
2H16BS146 Special Buna-N* Yes 1/4 6.3 - 1/4-19 - 2.31 (58.7) 1.14 (29.0) 0.75 (19.1)
2H16BS192 EPDM† Yes 1/4 6.3 - 1/4-19 - 2.31 (58.7) 1.14 (29.0) 0.75 (19.1)
2H16BSSL Standard Buna-N Yes 1/4 6.3 - 1/4-19 - 2.31 (58.7) 1.14 (29.0) 0.75 (19.1)
2H16BSSL115 PTFE Yes 1/4 6.3 - 1/4-19 - 2.31 (58.7) 1.14 (29.0) 0.75 (19.1)
2H16BSVAA Standard Buna-N No 1/4 6.3 - 1/4-19 - 2.31 (58.7) 1.14 (29.0) 0.75 (19.1)
2H16NV Standard Buna-N No 1/4 6.3 1/4-18 - - 2.26 (57.4) 1.14 (29.0) 0.75 (19.1)
2H16NV118 Neoprene No 1/4 6.3 1/4-18 - - 2.26 (57.4) 1.14 (29.0) 0.75 (19.1)
2H16NV143 FKM No 1/4 6.3 1/4-18 - - 2.26 (57.4) 1.14 (29.0) 0.75 (19.1)
2H16NV192 EPDM† No 1/4 6.3 1/4-18 - - 2.26 (57.4) 1.14 (29.0) 0.75 (19.1)
2H16SL Standard Buna-N Yes 1/4 6.3 1/4-18 - - 2.26 (57.4) 1.14 (29.0) 0.75 (19.1)
2H16VAA Standard Buna-N No 1/4 6.3 1/4-18 - - 2.26 (57.4) 1.14 (29.0) 0.75 (19.1)
2H16VAA143 FKM No 1/4 6.3 1/4-18 - - 2.26 (57.4) 1.14 (29.0) 0.75 (19.1)
2H16VAA192 EPDM† No 1/4 6.3 1/4-18 - - 2.26 (57.4) 1.14 (29.0) 0.75 (19.1)
2H6 Standard Buna-N Yes 1/4 6.3 - - 9/16-18 2.40 (61.0) 1.14 (29.0) 0.88 (22.4)
2H6118 Neoprene Yes 1/4 6.3 - - 9/16-18 2.40 (61.0) 1.14 (29.0) 0.88 (22.4)
2H6143 FKM Yes 1/4 6.3 - - 9/16-18 2.40 (61.0) 1.14 (29.0) 0.88 (22.4)
2H6146 Special Buna-N* Yes 1/4 6.3 - - 9/16-18 2.40 (61.0) 1.14 (29.0) 0.88 (22.4)
2H6192 EPDM† Yes 1/4 6.3 - - 9/16-18 2.40 (61.0) 1.14 (29.0) 0.88 (22.4)
2H6SL Standard Buna-N Yes 1/4 6.3 - - 9/16-18 2.40 (61.0) 1.14 (29.0) 0.88 (22.4)
2H6SL192 EPDM† Yes 1/4 6.3 - - 9/16-18 2.40 (61.0) 1.14 (29.0) 0.88 (22.4)
3H21 Standard Buna-N Yes 3/8 10 3/8-18 - - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21115 PTFE Yes 3/8 10 3/8-18 - - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21118 Neoprene Yes 3/8 10 3/8-18 - - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21143 FKM Yes 3/8 10 3/8-18 - - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21146 Special Buna-N* Yes 3/8 10 3/8-18 - - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21192 EPDM† Yes 3/8 10 3/8-18 - - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21236 EPDM† Yes 3/8 10 3/8-18 - - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21BS Standard Buna-N Yes 3/8 10 - 3/8-19 - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21BS115 PTFE Yes 3/8 10 - 3/8-19 - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21BS118 Neoprene Yes 3/8 10 - 3/8-19 - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21BS143 FKM Yes 3/8 10 - 3/8-19 - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21BS192 EPDM† Yes 3/8 10 - 3/8-19 - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21BS236 EPDM† Yes 3/8 10 - 3/8-19 - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21BSVAA Standard Buna-N No 3/8 10 - 3/8-19 - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21C Standard Buna-N Yes 3/8 10 3/8-18 - - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21C143 FKM Yes 3/8 10 3/8-18 - - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21C192 EPDM† Yes 3/8 10 3/8-18 - - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21NV Standard Buna-N No 3/8 10 3/8-18 - - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21NV143 FKM No 3/8 10 3/8-18 - - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21NV192 EPDM† No 3/8 10 3/8-18 - - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21SL Standard Buna-N Yes 3/8 10 3/8-18 - - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21SL143 FKM Yes 3/8 10 3/8-18 - - 2.56 (65.0) 1.42 (36.1) 0.88 (22.4)
3H21VAA Standard Buna-N