Ralston Quick-test™ USN Hoses & Fittings

Developed for the US Navy, this high pressure connection standard converts NPT, AN/JIC 37° flare, and High Pressure ports into industrial-style connect/disconnect that can be released just like a standard quick-connect sleeve. Speed up pressure testing and calibration with quick, safe, self-locking connections at very high pressure.

The Need For Speed

Connect quickly with a snap then apply up to 10,000 psi safely. System pressure locks the quick-connect to eliminate accidental disconnection while a live pressure over 50 psi is present.

Ralston Quick-test™ USN Hoses

10,000 psi microbore hoses with male or female Ralston Quick-test USN connections provide high pressure, super low volume for quick access for testing and calibration of live pressure systems. These light and flexible hoses can handle high pressure fluid, gas or pneumatic pressure media while locking into place to prevent accidental discharge.

Model Max Pressure
USN0-KIT5-6ft 10,000 psi / 689 bar / 69 MPa
USN0-KIT7-6ft 10,000 psi / 689 bar / 69 MPa

Ralston Quick-test™ USN Adapters

Made in the USA from military-grade 316 stainless steel, these 10,000 psi / 70 MPa adapters can provide access to existing high pressure ports with a click-in, click-out quick connect. Available for male or female NPT, AN/JIC 37° Flare and High Pressure coned or threaded connections. Specify dust caps on chain mounts to protect access ports from the elements.

USN Female NPT Adapters

Model End 1 Connector End 2 Connector End 2 Quick Disconnect
USN0-1FNPT-MP 1/8" Female NPT (ASME B1.20.1) Male USN0 Probe No
USN0-2FNPT-MP 1/4" Female NPT (ASME B1.20.1) Male USN0 Probe No
USN0-4FNPT-MP 1/2" Female NPT (ASME B1.20.1) Male USN0 Probe No

USN Male NPT Adapters

Model End 1 Connector End 2 Connector End 2 Quick Disconnect
USN0-1MNPT-MP 1/8" Male NPT (ASME B1.20.1) Male USN0 Probe No
USN0-2MNPT-MP 1/4" Male NPT (ASME B1.20.1) Male USN0 Probe No
USN0-4MNPT-MP 1/2" Male NPT (ASME B1.20.1) Male USN0 Probe No

USN Male 37 degree AN/JIC Flare Adapters

Model End 1 Connector End 2 Connector End 2 Quick Disconnect
USN0-4MAN-MP 1/4"(-4) Male AN 37 Degree Flare Male USN0 Probe No
USN0-6MAN-MP 3/8"(-6) Male AN 37 Degree Flare Male USN0 Probe No

USN Female 37 degree AN/JIC Flare Adapters

Model End 1 Connector End 2 Connector End 2 Quick Disconnect
USN0-4FAN-MP 1/4"(-4) Female 37 degree (AN/JIC) Flare Male USN0 Probe No
USN0-6FAN-MP 3/8"(-6) Female 37 degree (AN/JIC) Flare Male USN0 Probe No

USN High Pressure Coned and Threaded Adapters

Model End 1 Connector End 2 Connector End 2 Quick Disconnect
USN0-2MXH-MP 9/16-18 (1/4" HM4) Male High Pressure Male USN0 Probe No
USN0-2FXH-MP 9/16-18 (1/4" HF4) Female High Pressure Male USN0 Probe No

USN Quick-connects, Plugs and Caps

Model End 1 Connector End 2 Connector End 2 Quick Disconnect
USN0-FPLUG 9/16-18 (1/4" HM4) Male High Pressure Male USN0 Probe No
USN0-MCAP 9/16-18 (1/4" HM4) Male High Pressure Male USN0 Probe No
USN0-FQC-HM-4AN 9/16-18 (1/4" HM4) Male High Pressure Male USN0 Probe No
Looking for product pricing and availability?
Contact us for a quote and we'll be in touch.
Get a Quote

© Copyright 1997 - 2018 Ralston Instruments. All rights reserved. Privacy Policy