2X31-1081P2

31 material. Good for 1 to 300 MHz. Dimensions are in inches. Some typical impedances are listed for each part.

ID: 1.02
OD: 2.22
Height: 1.69
Ω @1 MHz: 45
Ω @10 MHz: 125
Ω @25 MHz: 218
Ω @100 MHz: 375
Ω @250 MHz: 340