---
product_id: 30125207
title: "KT-DF-664 Aftermarket Replacement Part for the DuoFast DCN-225/60 DuoFast DCN-300/75 DuoFast HFN-880C DuoFast HFN-880D DuoFast HTN-158C DuoFast HTN-250C DuoFast MS-1580C DuoFast MS"
brand: "reliability provin"
price: "€ 46.02"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/30125207-kt-df-664-aftermarket-replacement-part-for-the-duofast-dcn
store_origin: HR
region: Croatia
---

# Schematic & Instructions Color Coded O-Rings Made in the USA KT-DF-664 Aftermarket Replacement Part for the DuoFast DCN-225/60 DuoFast DCN-300/75 DuoFast HFN-880C DuoFast HFN-880D DuoFast HTN-158C DuoFast HTN-250C DuoFast MS-1580C DuoFast MS

**Brand:** reliability provin
**Price:** € 46.02
**Availability:** ✅ In Stock

## Summary

> 🔩 Elevate Your Nailing Game with Precision and Ease!

## Quick Answers

- **What is this?** KT-DF-664 Aftermarket Replacement Part for the DuoFast DCN-225/60 DuoFast DCN-300/75 DuoFast HFN-880C DuoFast HFN-880D DuoFast HTN-158C DuoFast HTN-250C DuoFast MS-1580C DuoFast MS by reliability provin
- **How much does it cost?** € 46.02 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/30125207-kt-df-664-aftermarket-replacement-part-for-the-duofast-dcn)

## Best For

- reliability provin enthusiasts

## Why This Product

- Trusted reliability provin brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable Material:** Crafted from high-quality Buna-N Nitrile for long-lasting performance.
- • **Proudly American:** Manufactured in the USA, supporting local craftsmanship.
- • **User-Friendly Design:** Comes with a detailed schematic and instructions for hassle-free installation.
- • **Essential for Professionals:** A must-have kit for any serious contractor or DIY enthusiast.
- • **Precision at Your Fingertips:** Color-coded O-rings for easy identification and quick replacements.

## Overview

The Duo-Fast DCN-225/60 Nailer O-Ring Kit (KTDF664) is an essential accessory for professionals, featuring color-coded O-rings for easy identification, a user-friendly schematic with instructions, and durable Buna-N Nitrile material, all proudly made in the USA.

## Description

Reliability Provin KT-DF-664 Aftermarket Replacement Part for the DuoFast KT-DF-664 O-Ring Kit This kit will fit the following nailers: DuoFast DCN-225/60 DuoFast DCN-300/75 DuoFast HFN-880C DuoFast HFN-880D DuoFast HTN-158C DuoFast HTN-250C DuoFast MS-1580C DuoFast MS-1580D DuoFast MS-7664C DuoFast MS-7664D DuoFast MS-7664E DuoFast RCN-60/225 DuoFast RCN-60/225 NM DuoFast RCN-60/225ADJ DuoFast RCN-75/300 Includes: All the o-rings in the tool. Instructions with a schematic of the tool. O-Rings are color coded to aid installation. Manufacturer: Reliability Provin Part Number: KT-DF-664 This is a brand new tool part and comes with manufacturers warranty.

## Features

- Includes Color Coded O-Rings
- Includes a Schematic of the Tool with Instructions
- Made in the USA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material Type | Buna-N Nitrile |

## Product Details

- **Material:** Buna-N Nitrile
- **Brand:** Reliability Provin
- **UPC:** 712218001242
- **Manufacturer:** Reliability Provin
- **Unit Count:** 1.0 Count

## Images

![KT-DF-664 Aftermarket Replacement Part for the DuoFast DCN-225/60 DuoFast DCN-300/75 DuoFast HFN-880C DuoFast HFN-880D DuoFast HTN-158C DuoFast HTN-250C DuoFast MS-1580C DuoFast MS - Image 1](https://m.media-amazon.com/images/I/514+fjBWgUL.jpg)

## Frequently Bought Together

- Duo-Fast DCN-225/60 Nailer O-Ring Kit - KTDF664
- Milton ColorFit Coupler & Plug Kit - (M-Style, Red) - 1/4" NPT, (7-Piece)
- 4 Pieces 1/2 Inches Square to 1/4 Inches impact adapter hex adapter Female Socket with Aprons and Sockets, Socket Extension Kit Accessories for Pneumatic and Electric Wrenches

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**Shop now:** [https://www.desertcart.hr/products/30125207-kt-df-664-aftermarket-replacement-part-for-the-duofast-dcn](https://www.desertcart.hr/products/30125207-kt-df-664-aftermarket-replacement-part-for-the-duofast-dcn)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-05-21*