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NB70BK00-OR-251
CS

0.139 in

(3.53 mm)

ID

5.109 in

(129.77 mm)

ORing cut reference

NB70BK00-OR-251

Size: AS568-251 O-Ring

NB70BK00

NBR (Nitrile, Buna-N)

70

Shore A

Sulfur Cured

General Purpose Material

Color: Black

Detailed Description

NB70BK00-OR-251 is a Black, 70 Shore A, Sulfur Cured NBR (Nitrile, Buna-N) O-Ring. NB70BK00 is manufactured with the following features & specifications: General Purpose Material. NB70BK00-OR-251 is AS568 size -251 O-Ring also referred to as 3.53mm (Cross Sectional Diameter (CS)) x 129.77mm (Inside Diameter (ID)).

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Technical SpecificationValue
Compound NumberNB70BK00
MaterialNBR (Nitrile, Buna-N)
CureSulfur Cured
ColorBlack
Durometer70 Shore A
High Temperature125 °C / 257 °F
Low Temperature-35 °C / -31 °F
Geometry Specifications
Cross Sectional GeometryO-Ring
Size StandardAS568
Size-251
Cross Section (CS)3.53 mm / 0.139 in
Inside Diameter (ID)129.77 mm / 5.109 in
ORing cut reference