BarTite High Pressure Self-Sealing Washers
Product Description
- Seals out water/moisture, air, dust, liquids and other contaminants
- Seals in water, fluids, air and vapors
- Designed to seal fastener assemblies using standard nuts, bolts and screws
- One piece washer/sealant design
- Dampens noise and vibration
- High-pressure sealing capability: Can withstand up to 8,500 psi internal hydrostatic pressure
- 100% proudly made in USA
Performance Advantage
- NEMA 250 Type 6P performance rated
- Time-proven design
- Uniform contact ensured when fastener tightens down on sealing washer
- Applying torque creates a three-way tensioning effect to guarantee an air & water-tight seal around the fastener assembly

Metal Washer
- 304 Stainless Steel
- 316 Stainless Steel
Sealant
- Patented, thermosetting PVC plastisol
- Stable, non-aging
- Temperature range: -60°F to 275°F (-51°C to 135°C)
- Chemically resistant to water, gasoline, petroleum oils, methyl alcohol, ethyl alcohol, salt sprays, alkali, some acids, organic and aromatic solvents, detergents, ozone, hydrocarbons, oxygenated and chlorinated solvents
Sealing Washer Sizes
Size | 304SS Part Number |
316SS Part Number |
Metal Washer ID ±.005 |
Metal Washer OD ±.010 |
Metal Washer Overall Height ±.005 |
---|---|---|---|---|---|
4-40 | RS39134 | RSC39134 | .134 | .396 | .055 |
#6 | RS49110 | RSC49110 | .148 | .495 | .065 |
#8 | RS49135 | RSC49135 | .175 | .495 | .065 |
#10 | RS56150 | RSC56150 | .205 | .560 | .065 |
1/4" | RS62200 | RSC62200 | .255 | .625 | .073 |
5/16" | RS68280 | RSC68280 | .315 | .685 | .077 |
3/8" | RS80325 | RSC80325 | .385 | .810 | .082 |
7/16" | RS89390 | RSC89390 | .445 | .890 | .090 |
1/2" | RS99450 | RSC99450 | .510 | .990 | .090 |
5/8" | RS113639 | RSC113639 | .639 | 1.135 | .090 |
3/4" | RS128770 | RSC128770 | .770 | 1.280 | .110 |
7/8" | RS144893 | RSC144893 | .893 | 1.440 | .110 |
1" | RS160101 | RSC160101 | 1.018 | 1.600 | .110 |