-313 BLACK BUNA 70D O-RING

Buna-N O-Ring, 0.662 in ID x 0.21 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
313
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Nominal Cross Section
3/16 inch
Nominal Inside Diameter
11/16 inch
Nominal Outside Diameter
1 1/16 inch
Unit of Measure
EA
SKU:
H70313
Please login to see price and add to cart

Product Specification

-
Ordered as H70313, this is an AS568-313 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 0.662 in (16.81 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.082 in (27.48 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

It resists hydraulic fluids, water, and many alcohols. Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs and low compression set under sustained load. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

You will find this material specified across construction equipment, agricultural equipment, and general industrial maintenance.

This item is sold individually under part number H70313. Unit weight is approximately 0.0019 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
H70313
Description
-313 BLACK BUNA 70D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
0.662 inch (16.81 mm)
Actual Outside Diameter
1.082 inch (27.48 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity