MILTON QUICK FEMALE CONNECTOR 715BK 1/4″

Milton 715BK female quick-connect coupler connects 1/4″ FNPT M‑Style fittings, max 300 PSI and 40 SCFM, with durable brass body and Buna‑N seal.

Description

Milton 715BK female quick-connect coupler sets the industry standard as a robust brass M‑Style coupler featuring a 1/4″ female NPT thread, maximum 300 psi pressure rating, and 40 SCFM airflow capacity. Designed for heavy-duty pneumatic tool and hose connections, it offers reliable sealing via a Buna‑N O-ring and is compatible with all M‑Style Kwik‑Change® plugs per MIL‑C‑4109 specifications.

H2 Features

1/4″ FNPT female coupler body for M‑Style plug compatibility
Brass body with brass sleeve, ensuring corrosion resistance and long service life
Buna‑N seal provides reliable airtight sealing under pressure
Rated up to 300 PSI, ideal for industrial and automotive compressed-air systems
Airflow up to 40 SCFM, supporting high-flow demands
Interchangeable M‑Style design: compatible with all standard M‑Style plugs per MIL‑C‑4109
Made in USA, heat‑treated and plated with hardened ball and stainless-steel spring for durability

H3 Technical Specifications

Specification	Detail
Brand	MILTON INDUSTRIES
Model / Part Number	715BK
Connection Thread	1/4″ NPT Female (M‑Style)
Compatible Plugs	Standard M‑Style Kwik‑Change®
Max Pressure	300 PSI
Flow Rate	Up to 40 SCFM
Body / Sleeve Material	Solid brass
Seal Material	Buna‑N
Max Temperature	250 °F (≈ 121 °C)
Interchange Standard	MIL‑C‑4109 compliance
Country of Origin	Made in the USA
Weight	~0.22 lb (with sleeve)
Dimensions (approx.)	Length: 1.96 in, Width: 0.93 in, Height: 0.93 in

H2 Applications

Sealing unused air tool ports (shutoff couplers)
Quick-connect interfaces for pneumatic tools, spray guns, blow guns
Air hose ends in automotive, shop, or industrial settings
Maintenance workflows requiring fast tool disconnects
Compatible with other Kwik‑Change® system components

H2 Installation Tips

Apply a small amount of PTFE tape or thread sealant to the 1/4″ FNPT male thread.
Tighten securely into tool or hose outlet; avoid over-torque.
Push in the male plug until locking balls engage.
To disconnect, pull back on sleeve and remove the plug.
Inspect periodic seal condition and replace if leakage appears.

H2 Reasons to Buy

Trusted Milton quality, with life-tested brass body and plated internals
High pressure and flow rating (300 PSI, 40 SCFM) for demanding pneumatic systems
Universal M‑Style compatibility with Kwik‑Change® tooling
Leak-proof performance with Buna‑N seal and durable sleeve design
Compact and lightweight, easy to integrate and replace
Made in the USA, matching industry military-spec standards