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1/4 Indl Coupler, 3/8 NPTF, Brass 420810

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Description & Features

Constructed from brass for corrosion resistance in demanding fluid handling environments, this 1/4 Indl Coupler, 3/8 NPTF, Brass 420810 from Dixon Valve & Co features a 3/8 NPTF male thread connection and conforms to the standard 1/4" industrial interchange coupler series. The NPTF thread form provides a dry-seal fit, reducing the need for additional thread sealants in pressurized pneumatic and hydraulic line connections.

Brass construction makes this coupler a practical choice where steel corrosion is a concern, and the industrial interchange profile ensures broad compatibility with mating plugs across common tool and equipment lines.

SKU: 2FF3-B

Supplier Part Number (MPN): 2FF3-B

Alternate Part Numbers: MI-03949601, MINO-00647F04404

Specifications

Brand
DIXON
Connection Size 1
1/4 in
Connection Size 2
3/8 in
Connection Type
FNPT, Quick-Disconnect
Connection Type 1
Quick Disconnect
Connection Type 2
Female NPTF
Dimensions
0.93 in OD x 2.1 in L
Fitting Type
Coupler
Hex Size
0.81 in
Material
Brass
Material Construction
Brass
Operating Temperature
-40 to 250 deg F
Series
F Series
Thread Size
3/8-18

Product Questions & Answers (1)

Question by: Bobby F on Apr 4, 2026, 12:55 PM
What size thread does this coupler have?
Answer by: Customer Support on Apr 5, 2026, 9:45 PM
This coupler features a 3/8 NPTF male thread connection, which is designed to provide a dry-seal fit.

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