Air Variable Capacitors, Shafted: Single Section
 

Air Variable
Headquarters
We contract this series of variables manufactured. All units are 2-1/2" wide, 2-1/2" high, have a 1/4" shaft and mounting feet per picture. Production quantities available.
 
 
Part Number
Pic
Rating
Description
Price
Price (3+)
  
(CAV) 154-11-1 Pic 9 - 38 pF @ 4kv
(0.125" plate spacing) 3-3/8" long body
 -
SOLD
 OUT
(CAV) 12-23 Pic 18 - 110 pF @ 4kv
(0.125" plate spacing) 5-3/4" long body
62.00
57.00
(CAV) 12-53 Pic 36 - 249 pF @ 4kv
(0.125" plate spacing) 10-5/8"L + 1" shaft
65.00
62.00
(CAV) 10-57 Pic 25 - 310 pF @ 3.3kv
(0.1" plate spacing) 10-1/8"L + 3/4" shaft
62.00
58.00
(CAV) 154-3-1 Pic 25 - 500 pF @ 2kv
(0.045" plate spacing) 5" long body
67.00
61.00
(CAV) 32-65 Pic 45 - 1000 pF @ 1200v
(0.032" plate spacing) 5-1/2" long body
94.00
89.00
 

160 Series
Johnson
Pictured: (CAV) 160-110-21
Air variables with break away plates to easily reduce range. 3/16" diameter slotted shaft long enough for a knob. Panel bushing mount.
 
 
Part Number
Pic
Rating
Description
Price
Price (6+)
Price (25+)
  
(CAV) 160-101 Pic 1.35 - 3.2 pF @ 900v 5/8" x 3/4" x 3/4",
3/16"D x 1/2" slot shaft
9.00
 - -
(CAV) 160-156 Pic 2.2 - 5.4 pF @ 1600v 11 plates
7.00
6.00
5.30
(CAV) 160-104 Pic 1.8 - 8.7 pF @ 1250v 7 plates
9.00
8.00
 -
(CAV) 5490272P17 Pic 1.2 - 9 pF @ 700v 9 plates
6.00
5.00
 -
(CAV) 160-107-18 Pic 2.5 - 15 pF @ 1250v Breakaway plates
8.00
7.25
6.50
(CAV) M7481115-3 Pic 2.5 - 15 pF @ 900v 15 plates
6.00
5.00
 -
(CAV) 160-110A Pic 2.7 - 19.6 pF @ 1000v 21 plates - -
SOLD
 OUT
(CAV) 160-110-21 Pic 2.7 - 19.6 pF Silver Plated
9.00
8.00
7.25
 

Johnson
Machined Plate
Air variables with silver plated machined plates. 3/16" shaft. Panel bushing mount.
 
 
Part Number
Pic
Rating
Description
Price
Price (6+)
Price (25+)
  
(CAV) 501185-15 Pic
2 - 20 pF @ 500v
18 plates
7.00
6.50
5.00
(CAV) 501185-8 Pic
2 - 22 pF @ 250v
12 plates
4.50
4.00
3.50
(CAV) 193-8-52 Pic
2 - 26 pF @ 250v
16 plates
7.00
 - -

Air Variable Capacitor
1.8 - 8.7 pF @ 1250v
(CAV) 160-104-13
Johnson air variable trimmer capacitor with coil attached with 3 turns. 1.8 - 8.7 pF @ 1250v. 9 plates. 3/16" shaft. "LC" network.
 

Air Variable Capacitor
1.8 - 8.7 pF @ 1250v
(CAV) 160-104-22
Johnson air variable trimmer capacitor with coil attached with 4 turns. 1.8 - 8.7 pF @ 1250v. 9 plates. 3/16" shaft. "LC" network.
$11 each
 
$11 each

Air Variable Capacitor
1.8 - 8.7 pF @ 1250v
(CAV) 160-104
E.F. Johnson air variable capacitor. 1.8 - 8.7 pF @ 1250v, 3/16" shaft, 1/4" long. 1/4" hole mount. 7 plates. Mfg. P/N: 160-0104-001.
 

Air Variable Capacitor
4 - 10 pF - 8:1 Ball Drive / 2 Speed Tuning
(CAV) 4197
Nifty variable with built-in vernier ball drive. 2 kv plate spacing. 1/8", 1/4" shafts. Mounts by end plates. 1-3/8" x 1-3/8" x 1" deep. Knob set $8.
$9 each - $8 (6+)
 
$19 each - $17 (6+), $15 (25+)

Air Variable Capacitor
2.5 - 15 pF @ 1250v
(CAV) 160-107-18
Air variable capacitor. 2.5 - 15 pF @ 1250v, 1/4" shaft, break away plates, bushing mount.
 

Air Variable Capacitor
7.4 - 18 pF @ 1500v
(CAV) 11065-1
Hammarlund air variable capacitor. 7.4 - 18 pF @ 1500v. 1.5" wide x 1.75" high, 2.2" long, 1/4" x 3" shaft.
$8 each - $7.25 (6+), $6.50 (25+)
 
$35 each

Air Variable Capacitor
4 - 25 pF @ 1500v
(CAV) CB105
Air variable capacitor. 4 - 25 pF @ 1500v. Front 2 hole mount, 1/4" shaft, 3-1/2" long.
 

Air Variable Capacitor
8 - 27 pF @ 1000v
(CAV) ASP-5699
Air variable capacitor. 8 - 27 pF @ 1000v sections. 3/16" x 3/8" long shaft. Front panel has three #6 tapped mounting holes. 1-1/2" wide x 1" high x 3/4" deep. NOTE: Rotor plates short to stator at maximum capacitance. Short can be defeated by bending brass strip away.
*** SOLD OUT ***
 
 
$7 each - $6.25 (6+), $5.50 (25+)

Air Variable Capacitor
5 - 37 pF @ 1500v
(CAV) 94041110054
Hammarlund single section air variable capacitor. Double bearing, rotation stops @ 180º. 0.03" spacing. Front bushing mount or bottom feet. 1/4" x 1/2"L front shaft, 1/4" stub shaft on rear for ganging. 1-3/16" wide. 1-3/4" behind panel depth.
 

Air Variable Capacitor
4 - 50 pF @ 600v
(CAV) MAPC-50ME
Air variable capacitor. 4 - 50 pF @ 600v, 1/4" x 1/2" long shaft. 2 hole APC mount.
$20 each - $17 (3+)
 
*** SOLD OUT ***
 

Air Variable Capacitor
5 - 51.8 pF @ 1070v RMS
(CAV) APL32-52
U.S. made air variable capacitor. 5 pF - 51.8 pF @ 1070 vrms. 13 plates. 0.032" air gap. R = 29/32".
 

Air Variable Capacitor
11 - 53 pF @ 4.5 kv

(CAV) 154-12-6
Cardwell air variable capacitor. 11 - 53 pF @ 4.5 kv, 1-1/3 revolution on gear. 0.125" spacing. Opens capacitor at 180º. 2-5/8"W x 3-5/8"H (with gear). 4-1/4" overall length. Used but in excellent condition.
$21.25 ea - $17.85 (3+), $15 (13+), $14.25 (100+)
 
$39 each - $35 (3+)

Air Variable Capacitor
3.4 - 60 pF @ 600v
(CAV) 922-0261
Hammarlund air variable capacitor. 3.4 - 60 pF @ 600v, 1/4" x 1-1/8" length shaft. Bushing mount.
 

Air Variable Capacitor
7.5 - 99 pF @ 500v
(CAV) 158-5-24
E.F. Johnson air variable capacitor. 7.5 - 99 pF @ 500v. Mounts with two #6 thread screws. APC style with 1/4" x 1" long shaft. 15/16" x 1-3/16", 1-5/8" behind panel depth.
NSN: 5910-00-080-2630.
$18 each - $16 (10+)
 
$21 each - $18.75 (6+)

Air Variable Capacitor
20 - 100 pF @ 4 kv
(CAV) 73-1-12-25A
Oren Elliot air variable capacitor. 20 - 100 pF @ 4 kv. 0.125" plate spacing. 1/4" x 1.5" G-10 shaft. 2-3/4" x 2-3/4" x 7"L overall length (5.5"L studs). Includes high current strap. Used, excellent condition.
 

Air Variable Capacitor
16 - 101 pF @ 4kv
(CAV) 154-14
EF Johnson air variable capacitor. 16 - 101 pF @ 4kv. 23 plates, 0.125" spacing. 5" c-c mounting holes. 2-1/2" x 2-5/8" x 6-1/2" overall length. Brand new in original box. Only one available.
$39 each
 
$75

Air Variable Capacitor
8.7 - 106.2 pF @ 1070v RMS
(CAV) APL32-106
U.S. made air variable capacitor. 8.7 - 106.2 pF @ 1070 vrms. 26 plates. 0.032" air gap. R = 1-9/16".
 

Air Variable Trimmer Capacitor
5.9 - 111.1 pF @ 800v RMS
(CAV) APL20-111
Air variable trimmer capacitor. 5.9 - 111.1 pF @ 800v RMS. 18 plates, 0.020" spacing.
$21.75 - $18.25 (3+), $15.40 (13+), $14.65 (100+)
 
$21.75 - $18.25 (3+), $15.40 (13+), $14.65 (100+)

Air Variable Capacitor
16 - 208 pF @ 1070v RMS
(CAV) APL32-208
U.S. made air variable capacitor. 16 - 208 pF @ 1070 vrms.
50 plates. 0.032" air gap. R = 2-25/32".
 

Air Variable Capacitor
10.5 - 313.9 pF @ 640v RMS
(CAV) APL16-314
U.S. made air variable capacitor. 10.5 - 314 pF @ 640 vrms.
39 plates. 0.016" air gap. R = 1-9/16".
$32.25 ea - $27 (3+), $22.90 (13+), $21.60 (100+)
 
$26.65 - $22.40 (3+), $18.92 (13+), $17.85 (100+)

Air Variable Capacitor
14 - 500 pF @ 1 kv
(CAV) N16-C61909
R/C single section air variable capacitor. 14 - 500 pF @ 1 kv. Ball bearing. Silver plated. 3-9/16" x 1-27/32" x 1-13/16". 1/4" x 1/4" shaft. N16-C-61909-8566. Surplus for the 1950's.
 

Air Variable Capacitor
21 - 220 pF @ 1500v
(CAV) 4980-1
TMC air variable capacitor. 21 - 220 pF @ 1500v. 1/4" shaft, right angle & anti-backlash gear. 4.5"L x 4.5"W x 3.7"H. 0.31" shaft off end of cap to series drives another cap. Made like a fine Swiss watch. Original government cost = $5,500.
NSN: 5910-00-061-5969.
*** SOLD OUT ***
 
 
$499 each
 

Air Variable Capacitor
20 - 330 pF
(CAV) D39858-1
Air variable capacitor. 20 - 330 pF. Sealed in a silver plated cavity with 64:1 worm drive on 1/4" shaft with ball bearings. Anti-backlash gear. Rotor and stator leads brought through silver case via insulated feedthru glass terminals. 3" x 3" x 4". NSN: 5910-01-185-5163. Government cost: $4,034. Our price...
 
 
$239 each
 
 
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