OTS Quick Disconnect
See all OTS items

OTS Quick Disconnect

SKU: OTSQD MFR: 530021-000
Be the first to review this item2 questions, 3 answers
$125.99

Key Features

  • Add quick-disconnect to your scuba regulator for streamlined underwater comms.
  • Chrome-plated brass OTS Quick Disconnect ensures durable, reliable performance.
  • Easily connect/disconnect your full face mask with this user-friendly adapter.
  • Enhance safety with rapid detachment in emergency scuba diving situations.
  • Standard 9/16"-18 thread fits most 2nd stage regulators for easy setup.
  • Compact & lightweight design won't add bulk to your diving equipment setup.
See More Product Details
Temporarily On Backorder?Expected Availability: 08/10/2025Request assistance or get notified
Free Shipping

See Options

1
Add to ListGet Sale Alert

Protect your gear with Protect+.* Learn more

1 Year

$11.99

2 Year

$18.99

3 Year

$28.99

Available to U.S. customers only.

Need help? Ask our experts.

Overview
Compare
Specs
Protection
Q&A

Questions & Answers

Shopper : Is this quick disconnect set really compatible with the OTS Guardian FFM second stage and Scubapro A700 second stage as well? Do I need to replace my A700 hose with another type of hose for this to work?KEVIN F : Yes, it is compatible with both. It will fit on the hose that came with your A700.
Shopper : Why Did You Choose This?ROGER L : i want it to be easily disconnected and separate my mask from my hoses after a dive.RANDELL C : If you're trying to get your mask off and switch tanks in a moving boat, the quick disconnect will make it much easier.

Reviews about this item

Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

image-protection

TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Dive into your next Adventure

Accidents happen. Purchase a protection plan to keep your favorite Scuba.com gear protected from covered accidental damage and failure.

Repair or Replacement

Repair or Replacement

If your equipment stops working, we'll repair it at no additional cost! And if we can't fix it, we'll replace it!

Accidental Damage

Accidental Damage

Protection for your equipment from unintentional breaks, drops, rips, and spills.

Failure Protection

Failure Protection

When your gear experiences a mechanical or electrical failure, you’re covered.

Zero Deductible

Zero Deductible

We’ll never charge you a deductible after the purchase of a plan. No fees. No deductibles. No hidden costs.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy with 24/7 online support.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Protect+ powered by Extend is available for purchases to customer in the United States. Not available for purchases internationally or U.S territories.

Browse our FAQ

See Terms & Conditions

OTS Quick Disconnect Specifications

  • HP or LP

    LP

  • Materials

    Chrome Plated Brass

  • Length

    Female Adapter: (L x Dia.) 1.5" x .75" (38mm x 19mm), Male Adapter: (L x Dia.) 1.25" x .75" (32mm x 19mm)

  • Thread Size

    9/16"-18

  • OD

    0.75" (19mm)

  • Quick Connect

    Yes

  • Purpose

    Add Quick-Disconnect to 2'nd Stage Scuba or Full Face Mask Regulator

  • UPC Code

    715335143130

About OTS Quick Disconnect

The OTS Quick Disconnect (QD) Adapter Set consists of a female QD with 9/16"-18 male threads that connects to a standard regulator second-stage hose for Scuba or Full Face Mask (FFM) Second Stage Regulators and measures (L x Dia.) 1.5" x .75" (38mm x 19mm). The Male QD has 9/16"-18 female threads that connects to a standard regulator fitting or all Omni swivels. The male QD Adapter measures (L x Dia.) 1.25" x .75" (32mm x 19mm) and both components are made using solid chromed brass material that is oxygen compatible. The Female QD has lock built into sleeve. Once connected, rotate the sleeve counter-clockwise 90°-degrees to engage the lock. All OTS Swivel products are proudly made in the U.S.A.

OTS Quick Disconnect Features

  • OTS Quick Disconnect:
  • Add Quick-Disconnect to Most-Any Regulator 2'nd Stage
  • Great for Scuba or Full-Face Mask (FFM) 2'nd Stage Regulators
  • Allows Quick Change of Personalized FFM
  • Proudly Made in the U.S.A.
  • Female:
    QD with 9/16"-18 Male Threads
    Connects to Standard Regulator Second-Stage Hose
    Dimensions: (L x Dia.) 1.5" x .75" (38 mm x 19 mm)
  • Male:
    QD wit 9/16"-18 Female Threads
    Connects to Standard Regulator Fitting or All Omni Swivels
    Dimensions: (L x Dia.) 1.25" x .75" (32mm x 19 mm)
  • Components: Made from Solid Chromed Brass Material
  • Oxygen Compatible
  • Female QD has Lock Built into Sleeve
  • Locking Procedure:
    Once Connected, Rotate Sleeve Counter-Clockwise 90°-Degrees to Engage

Warranty Information

This product has a limited warranty of 12 months.

Best Price Guaranteed + 5% OFF

Submit a price match

30/90 FREE Returns

Worry-free returns

Sell your Used Gear

Get started in 3 easy steps

Key Features

  • Add quick-disconnect to your scuba regulator for streamlined underwater comms.
  • Chrome-plated brass OTS Quick Disconnect ensures durable, reliable performance.
  • Easily connect/disconnect your full face mask with this user-friendly adapter.
  • Enhance safety with rapid detachment in emergency scuba diving situations.
  • Standard 9/16"-18 thread fits most 2nd stage regulators for easy setup.
  • Compact & lightweight design won't add bulk to your diving equipment setup.

What's in the box:

  • OTS Quick Disconnect