
Image shown is representative and may differ from the actual product in size, proportions, and color shade
0.210 in
(5.33 mm)
9.975 in
(253.37 mm)

FSIL FS50BU21 O-Ring, Size: -377
Material: FSIL FS50BU21 O-Ring
Size: AS568 -377 O-Ring
Part Number: FS50BU21-OR-377
FS50BU21
Fluorosilicone (FVMQ, FSIL)
50
Shore A
Silicone Oil Filled
Color: Blue
Detailed Description
FS50BU21-OR-377 is a Blue, 50 Shore A, Fluorosilicone (FVMQ, FSIL) O-Ring. It is a 50 durometer Fluorosilicone (FVMQ, FSIL). FS50BU21 is manufactured with the following features & specifications: Silicone Oil Filled. FS50BU21-OR-377 is AS568 size -377 O-Ring also referred to as 5.33mm (Cross Sectional Diameter (CS)) x 253.37mm (Inside Diameter (ID)). Material: 50 Durometer FSIL FS50BU21 O-Ring Size: AS568 -377, 5.33mm CS X 253.37mm ID (0.210" CS X 9.975" ID)

| Technical Specification | Value |
|---|---|
| Compound Number | FS50BU21 |
| Material | Fluorosilicone (FVMQ, FSIL) |
| Color | Blue |
| Durometer | 50 Shore A Hardness |
| High Temperature | 175 °C / 347 °F |
| Low Temperature | -75 °C / -103 °F |
| Geometry Specifications | |
| Cross Sectional Geometry | O-Ring |
| Size Standard | AS568 |
| Size | -377 |
| Cross Section (CS) | 5.33 mm / 0.210 in |
| Inside Diameter (ID) | 253.37 mm / 9.975 in |



