Zoro Select Viton O-Ring Square Profile Dash 224 PK5
Square-profile Viton O-ring with a 1.7 in inside diameter and .139 in cross-section, rated to 400 °F and supplied in a pack of five
- Viton material withstands -15 to 400°F
- Square profile dash 224 fits precise grooves
- Pack of five simplifies maintenance stocking
- Medium-hard 75A durometer resists extrusion
- Actual 1.7 in ID and 2.012 in OD match spec
Zoro Select Viton O-Ring Dash 224
This pack contains five square-profile Viton O-rings sized to dash number 224. They suit maintenance teams and engineers who need reliable sealing in fuel, oil or high-temperature systems. The medium-hard 75A durometer resists extrusion while staying flexible enough for dynamic or static glands. Each ring is black and measures 1.7 in actual inside diameter.
Upgrade from standard Buna-N
Replace Buna-N or silicone rings when chemical attack or heat cycling shortens service intervals. Viton handles the listed -15 to 400 degrees F range without hardening or cracking. The jump is worth it when fluid compatibility charts show Buna-N swelling or when repeated thermal cycles cause conventional rubber to leak. Metal-detectable construction adds safety for food or pharma lines.
Sustained load behavior
Under continuous pressure the rectangular cross section holds its shape and resists spiral failure better than round cord. The 0.139 in actual width and 2.012 in actual outside diameter maintain contact stress across the gland. Viton’s low compression set keeps seal force steady over long runs at the upper end of the temperature range. Not X-ray detectable and not FDA compliant.
How it compares
Measured against everything we stock in Threadlockers & Sealants, at today’s prices. Recalculated every night.
- Price $14.99
- Pricier than about 70% of the 147 comparable items (median $11.99).
Specifications
| Product | |
|---|---|
| Brand name | ZORO SELECT |
Questions about this item
What groove dimensions does the 1.7 in inside diameter and .139 in width require?
The rectangular cross-section O-ring has an actual inside diameter of 1.7 in and width of .139 in, so the gland must match those dimensions for a proper seal.
How do I install this Viton square-profile O-ring without damaging it?
Lubricate the ring with compatible fluid, stretch it evenly over the gland without twisting, and seat the rectangular cross-section fully — avoid sharp edges that can nick the 75A durometer material.
When should I replace these dash 224 Viton O-rings in high-temperature service?
Replace them if they harden, crack, or lose elasticity after prolonged exposure near the 400 °F upper limit, or if the rectangular cross-section shows permanent deformation.
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