Image shown is representative and may differ from the actual product in size, proportions, and color shade
8.620 in
(218.95 mm)
15.000 in
(381.00 mm)
12
1.000 in
(25.40 mm)
13.000 in
(330.20 mm)
1/2"
NBR NB50BK00 Full Face Gasket, Size: 300#-8"-FF-1/2"
Material: NBR NB50BK00 Full Face Gasket
Size: 300#-8"-FF-1/2" Full Face Gasket
Part Number: NB50BK00-300#-8"-FF-1/2"
Color: Black
Detailed Description
NB50BK00-300#-8"-FF-1/2" is a Black, 50 Shore A, Sulfur Cured NBR (Nitrile, Buna-N) Full Face Gasket. It is a 50 durometer NBR (Nitrile, Buna-N). [NB50BK00 is manufactured with the following features & specifications: General Purpose Material. NB50BK00-300#-8"-FF-1/2" is a size 8, 300#-FF ASME Full Face Gasket. Material: 50 Durometer NBR NB50BK00 Full Face Gasket Size: 300#-8"-FF-1/2", 8 Pipe Size X 218.95mm ID X 381mm OD X 12 Bolt Qty X 25.400mm Bolt Dia. X 330.200mm Bolt Circle X 1/2" Thickness
| Technical Specification | Value |
|---|---|
| Compound Number | NB50BK00 |
| Material | NBR (Nitrile, Buna-N) |
| Cure | Sulfur Cured |
| Color | Black |
| Durometer | 50 Shore A Hardness |
| High Temperature | 125 °C / 257 °F |
| Low Temperature | -35 °C / -31 °F |
| Geometry Specifications | |
| Type | Full Face Gasket |
| Size | 300#-8"-FF-1/2" |
| Pipe Size | 8 |
| ID | 218.95 mm / 8.620 in |
| OD | 381.00 mm / 15.000 in |
| Bolt Qty | 12 |
| Bolt Dia. | 25.40 mm / 1.000 in |
| Bolt Circle | 330.20 mm / 13.000 in |
| Thickness | 1/2" |
NB50BK00 is Canyon’s standard 50 Shore A black nitrile rubber (NBR) compound designed as a cost-effective, general-purpose material for O-rings and gaskets used in oil-handling and industrial sealing applications. This compound provides good abrasion resistance and low compression set, helping maintain reliable sealing performance in static and light dynamic service. With a service temperature range of -35°C to 122°C (-31°F to 252°F), NB50BK00 performs well in contact with petroleum-based oils while offering improved flexibility compared to higher-durometer nitrile grades. Its balanced hardness supports good conformability to gland surfaces, reducing the risk of installation damage and leakage under low to moderate loads. Compare NB50BK00 to Parker N0299-50 for similar low-durometer nitrile performance and application fit.
NB50BK00 meets ASTM D2000 M2BG508 requirements and is commonly used in pumps, valves, hydraulic components, and general industrial equipment where a softer NBR is preferred. This material is well suited for applications that prioritize ease of sealing, durability, and cost control without requiring specialty chemical resistance. Canyon Components offers NB50BK00 as a dependable nitrile option for standard O-ring and gasket designs across a wide range of industrial environments.
Common relevant keywords:
50 Shore A NBR, nitrile rubber O-rings, soft nitrile gaskets, general purpose NBR seals, oil resistant rubber sealing material, ASTM D2000 nitrile compound, industrial NBR O-rings, low compression set nitrile rubber, Parker N0299-50 alternative, Datasheet, TDS, Test Report, MTR, MSDS, SDS, Parker N0299-50 O-rings, Parker N299-50 nitrile seals, Parker N0299 gasket material, Parker N299 Buna-N O-rings, Parker N0299 low compression set gasket, Parker N0299 NBR compound
