Variac Parts
Variac Steel Shaft


(SHW) SFT.75-10
Variac steel shaft. Use when converting stacked variacs to single phase use. 3/8" shaft, 3/4" outside diameter, 10" overall length. Removed from equipment. 100% functional.
$18 each
Variac Knob with Pointer
(KNB) KNSP-10
General Radio 2-3/8"D variac knob with pointer. Fluted, narrow skirt. Black phenolic resin, brass insert with set screws. Accepts 1/4"D shaft but has removable bushing to allow for 3/8"D shaft. Only 2 available.
*** SOLD OUT ***
Superior / Powerstat
Knob / Meter
(KNB) EHP1213-2
Superior / Powerstat knob / meter. New meter knob for 236B style variac. 0 - 290v. 4-1/4"D x 2"H. 1/2" bore. New, but lens is cracked. Mfg. P/N: EHP1213.
$145
General Radio Pointer
Knob for Variac
(KNB) KNSP-12-2
General Radio pointer knob for variac. Bakelite. 2-7/8"D x skirt. 1"H. 1/2" bore.
$35 each
Variac Knob
(KNB) KNS-12
General Radio variac knob. Bakelite. 2.52"D body, 2.89"D skirt, 1.02" high. 3/8" bore. 2 set screws. New!
$29 each
Variac Knob
(KNB) VAR2.3
General Radio variac knob. Bakelite. 2-3/8" diameter x 1-1/8" high. 3/8" bore, brass insert. Shelf worn, some scratches.
$35 each
Variac Knob
(KNB) DP58022
Superior Electric Co. variac knob. 4"D x 1.5"H. 1/2" bore. Mfg. P/N: DP58022.
$87 each
Variac Knob
(KNB) 399-0001-S
Staco variac knob. Bakelite. 2.52"D x 0.95"H. 1/2" bore. 2 set screws. Fits: 501, 1010, 1020, 1210, 1220, 1510, J201, J401.
$45 each - $39 (3+)
General Radio Knob
(KNB) KNSP-8
General Radio knob. Bakelite pointer. 1.55"D body, 1.93"D skirt. 3/8" bore. 2 set screws.
$35 each
General Radio Knob
(KNB) KNSP-12G
General Radio knob. Gray. Bakelite pointer. 2.52"D body, 2.89"D skirt, 1.02"H. 3/8" bore. 2 set screws. New!
$39 each
General Radio Variac Knob
(KNB) KNS-10
General Radio variac knob. Bakelite. 2"D body, 2.37"D skirt, 0.89"H. 3/8" "D" shaft. 2 set screws. Shiny new!
$31 each - $28 (6+), $25 (25+)
General Radio Variac Pointer Knob
(KNB) KNS-10P
General Radio variac pointer knob with arrow. Bakelite. 2"D body, 2.37"D skirt, 0.89"H. 3/8" bore. 2 set screws. Shiny new!
$35 each - $31.75 (6+)
General Radio Variac Pointer Knob
(KNB) KNSP-12U
General Radio variac pointer knob. Bakelite. 2-7/8"D body, 1"H. 3/8" bore. Used, removed.
$25 each
General Radio Variac Knob
(KNB) VAR2.3N
General Radio variac knob. Bakelite. 2-3/8"D body, 1-1/8"H. 3/8" bore. 2 set screws. New and perfect!
$45 each
Superior Electric Powerstat Knob
(KNB) SUPER2.6
Superior Electric Powerstat knob. Modern plastic upgrade with SE logo. 2.6"D skirt. 3/8" bore. 2 set screws. Brand new and beautiful!
$29 each - $25 (6+)
Superior Electric Powerstat Pointer Knob
(KNB) SUPER2.6B
Superior Electric Powerstat pointer knob. Bakelte. 2.6"D skirt. 3/8" bore. 2 set screws. New!
$39 each
Superior Electric Powerstat Steering Wheel Knob
(KNB) STEERING
Superior Electric Powerstat steering wheel knob. 7"D. 3/4" bore. 2 set screws + 3 tapped holes for arrow (not included).
$95 each
Superior Electric Powerstat Steering Wheel Knob
(KNB) STEERING-A
Superior Electric Powerstat steering wheel knob with arrow pointer. 7"D. 3/4" bore. 2 set screws.
$117 each
Staco Variac Pointer Knob
(KNB) STACO-2.5
Staco variac pointer knob. 2.46"D body, 2.6"D skirt, 1.13"H. 3/8" bore. 2 set screws.
$45 each
General Radio Variac Knob
(KNB) KNS-20P
General Radio variac knob with pointer. 5"D skirt. 1/2" bore with 1/2" x 3/8" bushing installed. 2 set screws.
$95 each
Superior Electric Company Black Bakelite Knob
(KNB) SUPER3
Superior Electric Company black bakelite knob. Pointer with white line. 3/8" bore. Aluminum insert with 2 set screws. 3.25" skirt diameter x 1"H. Very old, not perfect but close!
$49 each
General Radio Pointer
Knob for Variac
(KNB) KNS-20
General Radio pointer knob for variac. Black Bakelite. 5" skirt. 1.4"H. 3/4" bore, 1-1/4" deep. Bronze insert. Old, very good condition.
$85 each
2 Sided Dial Plate
(KNB) W5-950
Variac brand 2 sided dial plate. 0 - 140, 0 - 120, increments of 10. Black painted aluminum. For W5 type variacs. 4" O.D., 0.86" I.D., 0.039" thickness, 0.16" x 0.16" mounting holes. NOS.
$48 each
2 Sided Dial Plate
(KNB) 970-903
Variac brand 2 sided dial plate. 0 - 10 each side, 5 dot (1/5th) increments between digits. 4" O.D., 0.86" I.D., 0.158"D mounting holes x 6.
$35 each
2 Sided Dial Plate
(KNB) D-94027-1
Ohmite 2 sided dial plate. 0 - 120, 0 - 140. Hashmarks at increments of 2 between digits. Aluminum with black lettering. 4" O.D., 0.85" I.D., 0.033" thickness, 3 x 0.13"D mounting holes. Alt. P/N: 5009.
$28 each
2 Sided Dial Plate
(KNB) D-94034
Ohmite 2 sided dial plate. 0 - 240, 0 - 280. Aluminum with black lettering. Minor surface blems, adhesive from packing and bin wear. 4" O.D., 0.85" I.D., 0.033" thickness, 3 x 0.13"D mounting holes. Alt. P/N: 5009.
$25 each
Variac Dial Plate
(KNB) BP8087
Powerstat one-sided variac dial plate. 0 - 100. Hashmark "1" increment between digits. Aluminum black enamel. 4" O.D., 3/8" I.D.. 3 x 0.15" mounting holes. NOS. Superior Electric, USA.
$48 each
Variac Dial Plate
(KNB) BP8087/U
Powerstat one-sided variac dial plate. 0 - 100. Hashmark "1" increment between digits. Aluminum black enamel. 4" O.D., 3/8" I.D.. 3 x 0.15" mounting holes. Used, pulled. NOTE: Cosmetic surface imperfections including scratches or scuffing present. Superior Electric, USA.
$23 each
Variac Outer Ring
(KNB) PS575
Powerstat variac outer ring. Aluminum, black enamel, white markings, single side. 0 - 100. 5.75" O.D., 3" I.D., 0.14" mounting holes. New surplus. Superior Electric Co, USA.
$45 each
Variac Outer Ring
(KNB) PS575/U
Powerstat variac outer ring. Aluminum, black enamel, white markings, single side. Cosmetic surface imperfections, bin wear and scratches. 5.75" O.D., 3" I.D., 0.14" mounting holes. Used, pulled. Superior Electric Co, USA.
$30 each
Volt-Pac Variac Dial Plate
(KNB) VOLTPAC1
General Electric Volt-Pac variac dial plate. 0 - 100%. Increments of "1". Marked "699A500DB-P1". Black painted aluminum. 2" O.D., 0.38" I.D., 0.032" thickness. NOS. Minor bin wear.
$35 each
Staco Variac Dial Plate
(KNB) 279-0050-S
Staco (USA) variac dial plate. 0 - 100%. Increments of "1". Black painted aluminum. Used with Staco models: 171, 201, 201-40, 221, 221-B, 251, 252, 291, 511. 2" O.D., 0.38" I.D., 0.032" thickness. NOS.
$38 each
Adjust-A-Volt Variac Dial Plate
(KNB) AAV
Adjust-a-volt variac dial plate. Single sided. 0 - 100. 4" O.D., 0.86" I.D., 0.15"D mounting hole x 6. Pulled, excellent condition. Minor bin wear. Standard Electric, USA.
$32 each
Adjust-A-Volt Variac Dial Plate
(KNB) AAV/U
Adjust-a-volt variac dial plate. Single sided. 0 - 100. 4" O.D., 0.86" I.D., 0.15"D mounting hole x 6. Used, surface wear, small dings and other minor imperfections. Standard Electric, USA.
$23 each
Ohmite Variac Dual Sided Dial
(TV) 94025
Ohmite variac dual sided dial. 0-120 volts or 0-130 volts. 3/8" bushing hole. 2-3/16" diameter.
$3.75 each
Superior Electric Dial Plate
(TV) 1256DP
Superior Electric dial plate. 10" diameter. Fits 1256 series variac.
$65 each
Powerstat 2 Piece Variac Brush Assembly
(TV) RB1126/RB1226
Powerstat 2 piece variac brush assembly. Includes instructions. No bracket. Made in the USA - Superior Electric Company.
$55 each
Powerstat Variac Brush Assembly
(TV) RB1256B
Powerstat variac brush assembly. Made in the USA - Superior Electric Company.
$75 each
Powerstat Variac Brush Assembly
(TV) 136SP
Powerstat variac brush assembly. 136 Specials. BHP56136G1. 1" centers on mounting holes.
$45 each
Staco Variac Brush Assembly
(TV) 808-0124-S
Staco variac brush assembly. 808-0124. Brush for 1520 variac series.
$75 each
Staco Variac Brush Assembly
(TV) 812-0545
Staco variac brush assembly. 812-0545. 0.884" mounting centers. Brass: 0.50" x 0.86".
$25 each
Powerstat Variac Brush Assembly
(TV) 9T18Y900
Superior Electric Powerstat variac brush assembly. 10B brush set.
$15 each
Powerstat Variac Brush Assembly
(TV) BP65206-1
Superior Electric Powerstat variac brush assembly. BP-65206. For Q116 variac. 0.50" c-c mounting holes.
$53 each
Powerstat Variac Brush Assembly
(TV) RB1256
Powerstat brush assembly. RB1256. Pair. Powerstat individual brushes with lugs. No bracket. 0.5" x 0.5" x 0.875"L.
$65 each
Powerstat Variac Brush Assembly
(TV) RB1296D
Powerstat variac brush assembly RB1296D. Fits 1296D variac. Alt. P/N: 017702-012.
*** SOLD OUT ***
Superior Electric Variac Brush Assembly
(TV) RB117B/C
Superior Electric variac brush assembly. RB116B/C. Fits 116 series, 3PN116 / 216 / 217 series variacs. Alt. P/N: RB116B/C.
*** SOLD OUT ***
Superior Electric Variac Brush Assembly
(TV) RB21
Superior Electric variac brush assembly. RB-21. 0.565" mounting centers. Alt. P/N: 060098-001.
$37 each
Superior Electric Variac Brush Assembly
(TV) RB216/RB217
Superior Electric variac brush assembly. RB-216B / RB-217B. Fits Superior variacs. 0.490" x 1.427" plate. 0.0175" x 0.240" holes.
$31.75
Powerstat Variac Brush Assembly
(TV) RB226
Powerstat variac brush assembly. RB-226. Fits Powerstat 226 variac. 0.750" c-c holes. Alt. P/N: 056135-002.
$49 each
Powerstat Variac Brush Assembly
(TV) RB236
Powerstat variac brush assembly. RB-236. Alt. P/N: 056135-002.
$49 each
Powerstat Variac Brush Assembly
(TV) RB-6000
Powerstat variac brush assembly. RB-6000. 0.943" c-c holes, 0.175"D. Brass: 0.5" x 0.5" x 0.9"L.
$75 each
Superior Electric Variac Brush Assembly
(TV) RBQ116
Superior Electric variac brush assembly. RB-Q116. 0.5" c-c mounting holes. Alt. P/N: 065206-1.
$53 each
Superior Electric Variac Brush Assembly
(TV) RB-Q117
Superior Electric variac brush assembly. RB-Q117. Fits Q116, Q117 variacs. 0.500" c-c holes.
$47 each - $44 (3+)
Variac Brush Assembly
(TV) VBT-6
Variac brush assembly. VBT-6. 50 amp brushes for W50 variac. Alt. P/N: 3200-5906.
$245 each
Variac Brush Assembly
(TV) VBT-8
Variac brush assembly. VBT-8. Fits General Radio W20 series variac.
$89 each
Powerstat Variac Brush Assembly
(TV) VBT-13
Powerstat variac brush assembly. VBT-13. 30 amp. Fits W30 series variac. Alt. P/N: 3200-5913.
$119 each
Paralleling Choke
(TV) T5587
Superior Electric paralleling choke. T5587. Use when paralleling variacs. 5-3/8" x 5-5/8" x 3"H.
$175 each