-113 BLACK BUNA 70D O-RING

Buna-N O-Ring, 0.549 in ID x 0.103 CS, 70A, Black, Metal Det., -40 to 250°F

Status
Available
Est. Ship Date
1 Nov 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
113
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
3/32 inch
Nominal Inside Diameter
9/16 inch
Nominal Outside Diameter
3/4 inch
Unit of Measure
EA
SKU:
H70MD113
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Product Specification

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Part number H70MD113 is an AS568-113 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 0.549 in (13.94 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.755 in (19.18 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for low compression set under sustained load, strong abrasion and tear resistance. Expect good resistance to petroleum-based oils, propane and butane, and greases and lubricants. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ozone and direct sunlight or ketones.

The compound is metal detectable for HACCP and foreign-body control programs. Common environments for this compound include hydraulic and pneumatic systems, construction equipment, and automotive.

Reference part number H70MD113 when ordering; the item is sold individually. Nominal inside diameter is listed as 9/16 inch. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Item
H70MD113
Description
-113 BLACK BUNA 70D O-RING
Actual Cross Section
0.103 inch (2.62 mm)
Actual Inside Diameter
0.549 inch (13.94 mm)
Actual Outside Diameter
0.755 inch (19.18 )
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
Yes
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable