
Image shown is representative and may differ from the actual product in size, proportions, and color shade
0.500 in
(12.70 mm)
2.120 in
(53.85 mm)
5/16"

HNBR HN70BK12 Ring Gasket, Size: 300#-0.5"-RN-OLD-5/16"
Material: HNBR HN70BK12 Ring Gasket
Size: 300#-0.5"-RN-OLD-5/16" Ring Gasket
Part Number: HN70BK12-300#-0.5"OLD-RN-5/16"
HN70BK12
HNBR (Hydrogenated Nitrile)
70
Shore A
MOS2 Filled
Color: Black
Detailed Description
HN70BK12-300#-0.5"OLD-RN-5/16" is a Black, 70 Shore A, HNBR (Hydrogenated Nitrile) Ring Gasket. It is a 70 durometer HNBR (Hydrogenated Nitrile). HN70BK12 is manufactured with the following features & specifications: MOS2 Filled. HN70BK12-300#-0.5"OLD-RN-5/16" is size 300#-0.5"-RN-OLD-5/16" Ring Gasket also referred to as 0.5 OLD (Pipe Size) x 12.7mm (ID) x 53.85mm (OD) x 5/16" (Thickness). HN70BK12-300#-0.5"OLD-RN-5/16" is a size 0.5 OLD, 300#-RN ASME Ring Gasket. Material: 70 Durometer HNBR HN70BK12 Ring Gasket Size: 300#-0.5"-RN-OLD-5/16", 0.5 OLD Pipe Size X 12.7mm ID X 53.85mm OD X 5/16" Thickness

| Technical Specification | Value |
|---|---|
| Compound Number | HN70BK12 |
| Material | HNBR (Hydrogenated Nitrile) |
| Color | Black |
| Durometer | 70 Shore A Hardness |
| High Temperature | 165 °C / 329 °F |
| Low Temperature | -35 °C / -31 °F |
| Geometry Specifications | |
| Type | Ring Gasket |
| Size | 300#-0.5"-RN-OLD-5/16" |
| Pipe Size | 0.5 OLD |
| ID | 12.70 mm / 0.500 in |
| OD | 53.85 mm / 2.120 in |
| Thickness | 5/16" |



