A-66
Pioneer
The Farmer’s Choice
1/8”
1/4”
3/8”
1/2”
5/8”
3/4”
1”
1-1/4”
1-1/2”
Quick Couplings
Parker Hannifin Corporation
Pioneer Products Group
Minneapolis, MN
www.parker.com/quickcouplings
Catalog 3900 - Pnuematic Couplings
Heavy Duty Couplers - Female Pipe Thread
Body
Size
Part No.
Steel
Port End
Length
Largest
Diameter
Wrench Flats
Weight (lbs.)
1/4
HF-251-4FP-S
1/4-18
NPTF
2.19
0.99
0.81
0.26
1/4
HF-251-6FP-S
3/8-18
NPTF
2.34
0.99
0.81
0.27
3/8
HF-371-4FP-S
1/4-18
NPTF
2.33
1.07
0.94
0.33
3/8
HF-371-6FP-S
3/8-18
NPTF
2.33
1.07
0.94
0.31
3/8
HF-371-8FP-S
1/2-14
NPTF
2.49
1.07
1.00
0.35
Heavy Duty Couplers - Male Pipe Thread
Body
Size
Part No.
Steel
Port End
Length
Largest
Diameter
Wrench Flats
Weight (lbs.)
1/4
HF-251-4MP-S
1/4-18
NPTF
2.34
0.99
0.81
0.25
1/4
HF-251-6MP-S
3/8-18
NPTF
2.37
0.99
0.81
0.26
3/8
HF-371-4MP-S
1/4-18
NPTF
2.49
1.07
0.94
0.32
3/8
HF-371-6MP-S
3/8-18
NPTF
2.52
1.07
0.94
0.30
3/8
HF-371-8MP-S
1/2-14
NPTF
2.68
1.07
0.94
0.33
Heavy Duty Couplers - Standard Hose Barb
Body
Size
Part No.
Steel
Hose I.D.
Length
Largest
Diameter
Wrench Flats
Weight (lbs.)
1/4
HF-251-4HB-S
1/4
2.81
0.99
0.81
0.26
1/4
HF-251-6HB-S
3/8
2.81
0.99
0.81
0.27
3/8
HF-371-6HB-S
3/8
3.02
1.07
0.94
0.31
3/8
HF-371-8HB-S
1/2
3.02
1.07
0.94
0.34
Heavy Duty Couplers - Push-Lok Hose Barb
Body
Size
Part No.
Steel
Hose I.D.
Length
Largest
Diameter
Wrench Flats
Weight (lbs.)
1/4
HF-251-4PL-S
1/4
2.64
0.99
0.81
0.26
1/4
HF-251-6PL-S
3/8
2.78
0.99
0.81
0.27
3/8
HF-371-6PL-S
3/8
3.02
1.07
0.94
0.33
3/8
HF-371-8PL-S
1/2
3.07
1.07
0.94
0.31
HF Series Couplers
Accepts Industrial Interchange Nipples
Push-to-connect sleeve, single shut off