H70007 is an AS568-007 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 0.145 in (3.68 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.285 in (7.24 mm). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies.
This material stands up to many alcohols, greases and lubricants, and petroleum-based oils. That behavior comes from the compound itself: Buna-N (Nitrile) is known for strong abrasion and tear resistance, low compression set under sustained load. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
You will find this material specified across general industrial maintenance, fluid power, and construction equipment.
Order part number H70007, sold individually. Unit weight is approximately 0.0542 g and nominal inside diameter is listed as 5/32 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -007 BLACK BUNA 70D O-RING
uf_description2 0.070" (1.78MM) CS X 0.145" (3.68MM) ID
Actual_CS 0.07 inch (1.78 mm)
Actual_ID 0.145 inch (3.68 mm)
Actual_OD 0.285 inch (7.24 mm)
ProductCode Description O-Rings - Bulk - Commodity