42 Eaton 400/4000 Series Male Plug 3/8-18 Male NPTF Pneumatic Quick Disconnect Coupling - Steel

  • $3.87

Eaton's 3000/4000/5000/6000 Series Industrial Interchange pin lock pneumatic quick disconnect couplings are designed for compressed air, gases, and liquids. This series sets the industry standard for pin lock style pneumatic couplings.

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:
  • Industrial Breathing Air
  • General Pneumatics
  • Maintenance & Repair
  • Fluid Transfer
Product Features:
  • Easy, automatic, push-to-connect design provides instantaneous connection and disconnection of lines, plus automatic shut-off of socket/female end of line.
  • All sizes accept US industrial Interchange; 1/4" & 1/2" also accept ISO 6150 Series B and A-A-59439 plugs/males.
  • Sleeve lock option prevents accidental disconnection.
Standard Seal Material: Buna-N
Other Couplings: 4000 Series Male NPTF Sockets/Plugs 4000 Series Female NPTF Sockets/Plugs 4000 Series Hose Stem Sockets/Plugs 4000 Series Hose Clamp Sockets/Plugs 3000 Series / 4000 Series / 5000 Series / 6000 Series
Interchangeability
All Sizes 1/4" & 1/2"
US Industrial Interchange ISO 6150 Series B A-A-59439 (former MIL-C-4109)
Physical Characteristics
Series Body Size Max. Operating Pressure Min. Burst Pressure Rated Flow
in bar psi bar psi lpm scfm
3000 1/4 138 2000 552 8000 680 24
4000 3/8 69 1000 276 4000 1274 45
5000 1/2 35 500 140 2000 2040 72
6000 3/4 15 220 60 880 3540 125
Dimensions 4000 Series - Female/Socket (Male NPTF Connections)
Figure 1
Part Number Coupling Type Body Size Port Size Thread Type Material Figure Dimensions
A B Hex
in (mm) in (mm) in (mm)
4100A Socket/Female 3/8 1/8 1/8-27 NPTF Brass 1 2.20 (55.88) 1.38 (35.05) 0.88 (22.35)
4100 Socket/Female 3/8 1/4 1/4-18 NPTF Brass 1 2.35 (59.69) 1.38 (35.05) 0.88 (22.35)
4100SL Socket/Female 3/8 1/4 1/4-18 NPTF Brass 1 2.35 (59.69) 1.38 (35.05) 0.88 (22.35)
4300 Socket/Female 3/8 3/8 3/8-18 NPTF Brass 1 2.35 (59.69) 1.38 (35.05) 0.88 (22.35)
4500E Socket/Female 3/8 1/2 1/2-14 NPTF Brass 1 2.54 (64.52) 1.38 (35.05) 0.88 (22.35)

SL = Sleeve Lock Dimensions 4000 Series - Male/Plug (Male NPTF Connections)

Figure 2
Part Number Coupling Type Body Size Port Size Thread Type Material Figure Dimensions
C D Hex
in (mm) in (mm) in (mm)
38 Plug/Male 3/8 1/8 1/8-27 NPTF Steel 2 1.72 (43.69) 0.72 (18.29) 0.63 (16.00)
40 Plug/Male 3/8 1/4 1/4-18 NPTF Steel 2 1.88 (47.75) 0.72 (18.29) 0.63 (16.00)
40NK* Plug/Male 3/8 1/4 1/4-18 NPTF Steel 2 1.88 (47.75) 0.72 (18.29) 0.63 (16.00)
40G† Plug/Male 3/8 1/4 1/4-18 NPTF Steel 2 2.65 (67.31) 0.77 (19.56) 0.69 (17.53)
42 Plug/Male 3/8 3/8 3/8-18 NPTF Steel 2 1.88 (47.75) 0.79 (20.07) 0.69 (17.53)
42G† Plug/Male 3/8 3/8 3/8-18 NPTF Steel 2 2.65 (67.31) 0.77 (19.56) 0.69 (17.53)
44 Plug/Male 3/8 1/2 1/2-14 NPTF Steel 2 2.09 (53.09) 1.01 (25.65) 0.88 (22.35)
B40 Plug/Male 3/8 1/4 1/4-18 NPTF Brass 2 1.88 (47.75) 0.70 (17.78) 0.63 (16.00)
B42 Plug/Male 3/8 3/8 3/8-18 NPTF Brass 2 1.88 (47.75) 0.77 (19.56) 0.69 (17.53)

† With Bleeder Ball Check - Reduces Hose Whip *Nickel plated Dust Caps / Dust Plugs

Series Dust Cap Dust Plug
Metal Vinyl Metal Vinyl
3000 PDC3000* - SDC3000* PSDC1HK
4000 - - - PSDC2HK
5000 - PPDC2HK - -
6000 - PPDC3HK - -
*Brass