Air Variable Capacitors
 
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
Rating
Description
Price
Price (3+)
 
(CAV) 154-11-1 9 - 38 pF @ 4kv
(0.125" plate spacing) 3-3/8" long
42.00
39.00
(CAV) 12-23 9 - 110 pF @ 4kv
(0.125" plate spacing) 5-3/4" long
49.00
45.00
(CAV) 12-53 36 - 249 pF @ 4kv
(0.125" plate spacing) 10" long
65.00
62.00
(CAV) 75-37 23 - 259 pF @ 2.5kv
(0.075" plate spacing) 6" long. Direct replacement for Heathkit Amplifier: SB200, SB220, SB221 etc.
52.00
49.00
(CAV) 10-57 25 - 310 pF @ 3.3kv
(0.1" plate spacing) 10" long
62.00
58.00
(CAV) 154-3-1 25 - 500 pF @ 2kv
(0.045" plate spacing) 5" long
67.00
61.00
(CAV) 32-65 45 - 1000 pF @ 1200v
(0.032" plate spacing) 5-1/2" long
72.00
69.00

 

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
Rating
Description
Price
Price (6+)
Price (25+)
 
(CAV) 160-156 2.2 - 5.4 pF @ 1600v 11 plates
7.00
6.00
5.30
(CAV) M7481115-2 1 - 8 pF @ 900v 9 plates (silver plated)
6.50
- -
(CAV) 160-104 1.8 - 8.7 pF @ 1250v 7 plates
9.00
8.00
-
(CAV) 5490272P17 1.2 - 9 pF @ 700v 9 plates
6.00
5.00
-
(CAV) 160-107-18 2.5 - 15 pF @ 1250v Breakaway plates
8.00
7.25
6.50
(CAV) M7481115-3 2.5 - 15 pF @ 900v 15 plates
6.00
5.00
-
(CAV) 160-110A 2.7 - 19.6 pF @ 1000v 21 plates
8.00
7.25
6.50
(CAV) 160-110-21 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
Rating
Description
Price
Price (6+)
Price (25+)
 
(CAV) 189-564 1 - 12 pF @ 250v 10 plates, 0.430" x 0.515",
0.691" behind. 0.188" x 0.235"
round slotted shaft
6.00
5.25
-
(CAV) 501185-15
2 - 20 pF @ 500v
18 plates
7.00
6.50
5.00
(CAV) 501185-8
2 - 22 pF @ 250v
12 plates
4.50
4.00
3.50
(CAV) 193-8-52
2 - 26 pF @ 250v
16 plates
7.00
- -

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
2.8 - 17.5 pF @ 750wv

(CAV) HF-15
Hammarlund air variable capacitor. 2.8 - 17.5 pF @ 750 wv. 0.015" air gap. 1-1/8" x 1-1/4" ceramic plate. 3/8" bushing mount with foot. 1/4" x 1/2" shaft. New in the box.
$8 each - $7.25 (6+), $6.50 (25+)
 
$17 each

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.
 

Air Variable Capacitor
5 - 21 pF @ 1500v

(CAV) GA51402
Air variable capacitor. 5 - 21 pF @ 1500v, 1/4" shaft front and rear. 1/4" x 1/2" long shaft, mounts by two feet on bottom or bushing.
$35 each
 
$23 each

Air Variable Capacitor
5 - 25 pF @ 1500v

(CAV) CHC48575
Hammarlund single section air variable has 1/4" x 4-5/8" long brass nickel plated shaft. Front bushing or base feet for mounting. Measures 1-3/4" square x 1-3/4" long.
 

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.
$25 each - $21 (3+)
 
$18 each

Air Variable Capacitor
5 - 37 pF @ 1500v

(CAV) 9404-11-10054
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+)
 
$15 each - $13 (3+)

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.

 

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.
$45 each
 
$18 each - $16 (10+)

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.
 

Air Variable Capacitor
13 - 105 pF @ 2.2kv

(CAV) 105X2
Air variable capacitor. 13 - 105 pF, 0.065" spacing, 2.2 kv. Body measures 3-1/2" long x 3-1/4" wide x 2" high. 1/4" diameter x 1" long shaft.
$21 each - $18.75 (6+)
 
$62 each

Air Variable Capacitor
7 - 155 pF @ 600v

(CAV) 319B105
Johnson silver plated air variable capacitor. 7 - 155 pF @ 600v. Bushing mount with short 1/4" x 1/4" slotted shaft. Measures 1-1/4" x 15/16", 2" behind panel depth. Made in 1954. Slightly tarnished.

 

Air Variable Capacitor
12 - 200 pF @ 1200v

(CAV) 167-0012-001
Johnson air variable capacitor. 12 - 200 pF @ 1200v. 0.032" spacing. 1.375" x 1.375" x 3-1/2" behind panel depth. 1/4" x 1/2" slotted shaft.
$35 each
 
$75 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
 

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 switch watch. Original government cost = $5,500.
NSN: 5910-00-061-5969.
 

Air Variable Capacitor
25 - 347 pF @ 3 kv

(CAV) 154-10
Cardwell (from 1970's) air variable capacitor. 25 - 347 pF @ 3kv. 0.075" spacing. New, old stock. 2-5/8" wide x 2-5/8" high x 7-1/4" long. 1/4" x 1-1/4" long shaft. 1/4" x 1/4" rear shaft.
$499 each
 
$75 each

Air Variable Capacitor
20 - 450 pF @ 4 kv

(CAV) 125-27
Air variable capacitor. 20 - 450 pF, 4 kv. 1/8" air gap. 3/8" shaft. 6" wide x 8" long x 6-1/2" high.
 

Air Variable Capacitor
40 - 480 pF @ 3 kv

(CAV) PL-8050
Cardwell air variable capacitor. 40 - 480 pF @ 3 kv. 6" x 4" x 3" high. 1/4" shaft. Alt P/N: 914-7109-001.
$129 each
 
$109 each