Air Variable Capacitors, Shafted: Single Section
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Air Variable
Headquarters
Headquarters
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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.
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160 Series
Johnson
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.
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Johnson
Machined Plate
Machined Plate

Air
variables with silver plated machined plates. 3/16" shaft.
Panel bushing mount.
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Cardwell Air Variable Capacitor
1.1 - 4 pF @ 5 kv
1.1 - 4 pF @ 5 kv

(CAV) ZS-4-SS
Cardwell air variable capacitor. 1.1-4 pF @ 5 kv. 0.140" gap. 1-3/8"W x 2-9/16"L x 1-1/8"H. 1/4" shaft. 1/2"L with locking nut. Alt P/N: PL6022.
$52 each
Cardwell Air Variable Capacitor
1 - 5 pF @ 3 kv
1 - 5 pF @ 3 kv

(CAV) ZT-5-AS
Cardwell air variable capacitor. 1-5 pF @ 3 kv. 0.070" gap. 1-7/16"W x 2"L x 1-1/8"H. 1/4" shaft. 1/4" x 3/8"L shaft. Alt P/N: PL6044.
$23 each
Cardwell Air Variable Capacitor
1 - 5 pF @ 3 kv
1 - 5 pF @ 3 kv

(CAV) ZV-5-TS
Cardwell air variable capacitor. 1-5 pF @ 3 kv. 0.070" gap. 1-7/16"W x 1-1/8"H x 2"L. Optional extra plate increases capacity to 7.5 pF. Alt P/N: PL6024
$35 each
Johnson Air Variable Capacitor
1.8 - 8.7 pF @ 1250v
1.8 - 8.7 pF @ 1250v

(CAV) 160-104-8
Johnson air variable capacitor. 1.8-8.7 pF @ 1250v. 9 silver plates. 3/16" shaft.
$11.75 each
Air Variable Capacitor
1.8 - 8.7 pF @ 1250v
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.
$11 each
Air Variable Capacitor
1.8 - 8.7 pF @ 1250v
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
Air Variable Capacitor
4 - 10 pF - 8:1 Ball Drive / 2 Speed Tuning
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.
$19 each - $17 (6+),
$15 (25+)
Cardwell Air Variable Capacitor
2 - 7 pF @ 5 kv
2 - 7 pF @ 5 kv

(CAV) ZS-7-SS
Cardwell air variable capacitor. 2-7 pF @ 5 kv. 0.140" gap. 1.4"W x 1.13"H. 2.06" behind panel depth. 1/4" x 1/2"L locking shaft. Alt P/N: PL6023.
$59 each
Air Variable Capacitor
2.5 - 15 pF @ 1250v
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.
*** SOLD OUT ***
Cardwell Air Variable Capacitor
3.6 - 11 pF @ 3kv
3.6 - 11 pF @ 3kv

(CAV) ZT-10-AS
Cardwell air variable capacitor. 3.6 - 11 pF @ 3kv. 0.07" air gap. 1/4" x 1/2"L shaft. Front bushing mount. 1-7/16" x 1-1/2"H. 1-3/8" behind. Alt P/N: PL6010. New!
$35 each
Cardwell Air Variable Capacitor
4 - 16 pF @ 3kv
4 - 16 pF @ 3kv

(CAV) ZT-15-AS
Cardwell air variable capacitor. 4 - 16 pF @ 3kv. 0.07" gap. Front bushing mount with lock nut. 1/4" x 1/2"L shaft. 1-7/16" x 1-5/8"H. 1-5/8" behind. Alt P/N: PL6011. New!
$39 each
Air Variable Capacitor
4 - 25 pF @ 1500v
4 - 25 pF @ 1500v

(CAV) CB105
Air variable capacitor. 4 - 25 pF @ 1500v. Front 2 hole mount, 1/4" shaft, 3-1/2" long.
*** SOLD OUT ***
Air Variable Capacitor
8 - 27 pF @ 1000v
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.
$7 each - $6.25 (6+), $5.50 (25+)
Cardwell Air Variable Capacitor
4 - 30 pF @ 3 kv
4 - 30 pF @ 3 kv

(CAV) ZT-30-AS
Cardwell air variable capacitor. 4-30 pF @ 3 kv. 0.07" gap. 1-7/16" x 1-5/8"H. 2-1/2" behind panel depth. 1/4" x 1/2"L shaft. Front bushing mount with lock nut. New! Alt P/N: PL6012.
$45 each
Air Variable Capacitor
4 - 50 pF @ 600v
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.
*** SOLD OUT ***
Air Variable Capacitor
3.4 - 60 pF @ 600v
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.
$18 each - $16 (10+)
Air Variable Capacitor
7.5 - 99 pF @ 500v
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.
NSN: 5910-00-080-2630.
$21 each - $18.75 (6+)
Receiver Dual Section Air Variable Capacitor
10 - 100 pF and 10 - 130 pF
10 - 100 pF and 10 - 130 pF

(CAV) 974212-4
Receiver dual section air variable capacitor. 10-100pF and 10-130pF. Brass body, ball bearings. 3/16"D x 1/4"L "D" shaft. 1-1/16" x 1-1/16" x 1". Vintage stock from Fistell's stash - 1970's.
$14.50 each - $13 (6+)
Air Variable Capacitor
8.7 - 106.2 pF @ 1070v RMS
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".
$21.75 each - $18.25 (3+), $15.40 (13+), $14.65 (100+)
Air Variable Trimmer Capacitor
5.9 - 111.1 pF @ 800v RMS
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 each - $18.25 (3+), $15.40 (13+), $14.65 (100+)
Cardwell Air Variable Capacitor
5 - 146 pF @ 800v RMS
5 - 146 pF @ 800v RMS

(CTA) 6021-1
Cardwell air variable capacitor. 5 - 146 pF @ 800v RMS. Single section with slot adjust and lock nut. 27 plates, .020" plate spacing. 1-3/4" behind panel depth, 1-3/8" width. Nickel plated copper. New old stock in original box.
$32 each
Air Variable Capacitor
21 - 220 pF @ 1500v
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.
NSN: 5910-00-061-5969.
$499 each
Air Variable Capacitor
16 - 208 pF @ 1070v RMS
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".
50 plates. 0.032" air gap. R = 2-25/32".
$34 each - $29.50 (3+), $25 (13+), $23.50 (100+)
Air Variable Capacitor
10.5 - 313.9 pF @ 640v RMS
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".
39 plates. 0.016" air gap. R = 1-9/16".
$28.65 each - $24.40 (3+), $20.92 (13+), $19.85 (100+)
Air Variable Capacitor
20 - 330 pF
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
Air Variable Capacitor
21 - 820 pF
21 - 820 pF

(CAV) 848-404-3
Air variable capacitor. 21 - 820 pF (UUF) at 1kv. 4"L x 3-3/4" sq body, 3/8" diameter shaft extends 2-1/4" beyong body on each side. Extremely loose bearings suggesting a geared or motorized connection. Government cost: $1,700. NSN: 5910-00-410-1316.
$149 each
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