201 to 500 pf Max

USLPA-500-6N648 Jennings 6-500pF 6KV Variable Vacuum Capacitor
Used Excellent Condition * No longer available for export
MFR: Jennings
SKU: USLPA-500-6N648

CVDB-300-10S Jennings 10KV 10-300pF Variable Vacuum Capacitor
Used, Great Condition * No longer for export
Made in USA by Jennings
SKU: CVDB-300-10S

CSVF-500-0207 Jennings Vacuum Variable Capacitor, 12-500pf, 7.5kv
Used Excellent Condition * No longer available for export
MFR: Jennings
SKU: CSVF-500-0207

CVDB-320-6N538 Jennings 10-320pF 5kV Variable Vacuum Capacitor
Used Excellent Condition * No longer available for export
MFR: Jennings
SKU: CVDB3206N538

Capacitance:  12-500 pf 
Voltage Rating: 7.5 kv
Current Rating: 100 Amps RMS (max)
Max Length: 7.88 in / 200.15 mm  (including shaft)
Max Diameter: 3.50 in / 88.90 mm 
Weight: 3.2 lbs Nominal
Hi-poted at 15 KV
Shaft: 1/4" D shape

Clean Used * No longer available for export
MFR: Jennings
SKU: CSVF-500-0107

UCSF-500-7.5S Jennings 7.5KV 12-500pF Vacuum Variable Capacitor
Used Excellent Condition * No longer available for export
MFR: Jennings
SKU: UCSF-500-7.5S

UCS400-7.5 Vacuum Variable Capacitor, 10-400pf 7.5kv
Used clean * No longer available for export
MFR: Jennings
SKU: UCS400-7.5

Capacitance: 10-205 pf
Voltage Rating: 7.5 KV
Current Rating: 57 Amps RMS
Max Length 7.25 in
Max Diameter 3.05 in
Weight 3.75 lbs

Used clean * No longer available for export
MFR: Energy Laboratories Inc.
SKU: EL7.5-200S-333