Hermetically Sealed Aircraft Relays - 6v to 440v Coils

Click here for more Aircraft Relays - 24 volt to 28 volt Coils

Struthers-Dunn Relay
4 Poles (Two SPDT, Two SPST N.O.), 6 vdc @ 25ºC
(KO) 181BBX100
Struthers-Dunn relay. Hermetically sealed. Operating voltage: 6 vdc @ 25ºC. Contacts: 4 poles: Two SPDT, Two SPST N.O., 2 amp. Max voltage: 115 vac, 32 vdc. 39 ohm nominal single winding. Hardwire hook terminals. Overall length: 1.62", overall height: 2.31", overall width: 1.43". Made in 1952. NSN: 5945-00-283-6344 (discontinued).
$4 each - $3 (10+), $2.50 (50+), $2 (200+)
Aircraft Relay
3 Poles (1PDT + 1PST + 1PST) / 6v DC / 5 amp
(KO) MHX-163
Allied 3 poles (1PDT + 1PST normally closed + 1PST normally open) 5 amp contacts. 6 vdc, 85 ohm coil. Fits RT-176A/PRC-10A. 1" diameter x 1-3/8" high. Hermetically sealed metal case. Hook terminals, mounting side ears.
$10 each - $8 (5+), $7 (25+), $5 (100+)
Aircraft Relay
115v AC / DPDT / 10 amp / 400 Hz Coil
(KO) BR7XAFE8527
Babcock aircraft relay. DPDT. 115v AC, 400 Hz coil, 10 amp. PC mount. Hermetically sealed. 1.05" x 0.5" x 1.27"H. 1.40" mounting centers.
$29 each - $27 (5+), $25 (25+)
Aircraft Relay
440v AC / DPDT / 6,300 ohm
(KO) B7730-1
Advance Aircraft hermetically sealed relay. DPDT, 440 vac, 6,300 ohm coil. 3" wide flange, 1-3/4"D, 3"H w/hook terminals.
$35 each
Aircraft Relay
44v DC / 6PDT / 2 amp
(KTD) 44SR18B
Deutsch 6PDT, 2 amp contacts. 44 vdc, 420 ohm coil. Time delay 0.01 seconds on operate. Hermetically sealed metal case. Hook terminals, mounting side ears.
$35 each - $30 (5+)
Aircraft Relay
48v DC / DPDT / 3 amp
(KO) FC11D48DC
Potter & Brumfield DPDT, 3 amp @ 28 vdc contacts. 48 vdc, 3160 ohm control. Hermetically sealed. 1-5/16" x 1-1/8" x 7/16" high.
$24 each - $21 (6+)
WABCO Aerospace Products Aircraft Relay
86v DC / 6PDT / 2 amp
(KO) UN372431-003
WABCO Aerospace Products aircraft relay. 6PDT, 2 amp contacts. 86 vdc, 3700 ohm coil. PC mount. Gold contacts. 1-9/16" c-c mount holes. 1-1/8"d x 1-3/4" overall. NSN: 5945-00-828-9018.
$35 each - $30 (3+)
Aircraft Relay
10k ohm, 10ma DC Coil / 2 amp & 1C Contacts
Hermetically Sealed Aircraft Relay MJ1054 BP12644REV-4
(KO) MJ1054
Potter Brumfield hermetically sealed aircraft relay. 1.55" x 1.326" x 2.4" overall height. 3 threaded mount studs, 10 solder hooks. Coil 10k ohm, 10ma DC. Contacts 2 amp and 1C. Alt P/N: BP12644REV-4 for fitting Rohde & Shwartz equipment. NSN: 5945-00-259-6664.
$45 each
Aircraft Relay
115v AC / SPDT
(KO) B842000
Sigma hermetically sealed relay. SPDT 2 amp contacts. 115 vac coil. Mounts with #8 studs on bottom. 1-1/2" x 1-1/2" x 2-1/4"H. Brand new in the box!!
$19 each
Aircraft Relay
115v DC / SPDT / 2 amp
(KO) RSH-6D
Allied Control hermetically sealed relay. DPDT, 27.9v coil, 115 vdc, 2 amp contacts, 10k ohms. 3/4"D x 1-3/4"H. Used, removed.
$10 each - $8 (5+)
Aircraft Relay
115v AC / DPDT / 5 amp
(KO) KR-6387
Potter & Brumfield hermetically sealed relay. DPDT, 5 amp, 115 vac, 50/60Hz. 1-1/4" x 1-1/2" x 2"H.
$19 each
Aircraft Relay
115v AC / 3PST / 5 amp
(KO) 2107-14HS
Westinghouse 3PST, normally open 5 amp contacts. 115 vac, 220 ohm coil. Hermetically sealed metal case. Measures 1.87" X 1.87" X 2.84" high. The two mounting posts pictured at the top are 1.38" c-c, from either corner to the bottom center is 1.6" c-c.
$35 each
Aircraft Relay
115v AC / 3PST / 10 amp
(KO) P13838
3PST, normally open relay. 10 amp contacts. Includes screw / barrier terminals, flange back. 105 / 130 vac, 2,250 ohm coil.
$45 each - $39 (3+)
Electro-Magnetic Relay
115v AC / DPDT / 15 amp
(KO) BOH-6A
Allied Control electro-magnetic hermetically sealed relay. DPDT. 15 amp contacts. 8 hook terminals. 445 ohm coil, 115 vac, 60 Hz, 40 ma. 2.18"D x 3.34"H. NSN: 5945-00-503-5832.
$39 each
Aircraft Relay
120v DC / DPDT / 3 amp
(KO) RP9859G14
Clare DPDT, 3 amp contacts. 120 vdc, 9100 ohm coil. PC mount, bottom ears. 1-1/4" x 3/8" x 7/8" high.
$19 each - $17 (5+)
Electro-Magnetic Relay
120v AC / DPDT / 6 amp
(KO) 218XBX171
Struthers-Dunn DPDT electro-magnetic relay. Hermetically sealed. 6 amp contacts, 8 hook terminals. 700 ohm, 120 vac, 60 Hz coil. 1-9/16" x 2-3/16" x 2-1/2"H.
NSN: 5945-00-767-9277.
$75 each
Aircraft Relay
120 vdc / 6PDT / 9500 ohm Coil
(KO) FC6-341B
Struthers Dunn aircraft relay. Hermetically sealed. 120 vdc, 6PDT, 9500 ohm coil. 26.5 vdc, 1 amp contacts. Mounts by 2 top studs at 5/8" c-c. 1-1/8"D x 1-3/4"H. NSN: 5945-679-1843.
$49 each - $45 (5+)
Aircraft Relay
125v DC / SPDT / 0.1 amp
(KO) R20SE-9KA1S1
SPDT, 0.1 amp contact. 125 vdc, 9.9k ohm control. 7 pin tube base. 5/8" diameter x 1-9/16" high overall.
$5 each
Aircraft Relay
150v DC / DPDT / 100 ma
(COL) 974-0093-009
Sigma hermetically sealed relay. DPDT, 100ma, 150 vdc contacts. 8k ohm, 115 vdc, 2.3 ma coil. Hook terminals. 1" square x 1-3/4"H.
$15 each
Aircraft Relay
245v DC / 6PDT / 14k ohm
(KO) HS245WDK18A
Hermetically sealed aircraft relay. 6PDT, 245v DC, 2 amp, 14k ohm coil. Pc/through hole mount. 1.411" c-c mount holes. 1"d x 1-3/4"H overall. DSA900-69A-785. NSN: 5945-00-821-2979.
$45 each
Sensitive Relay
SPDT / 2.25 ma / 8k ohm
(KO) RS437-3-A8K
Iron Fireman Co. SPDT replacement relay for boiler controls. Very sensitive coil pulls and holds @ 2.25ma, 8k ohm coil. 8 pin octal tube base. Hermetically sealed metal case.
$19 each
Aircraft Relay
DPDT / 2 amp / 11.5 ma
(KO) 60GB13G-1A
DPDT, 2 amp contacts. 11.5 ma, 1500 ohm coil. 1-5/16" x 3/8" x 1-3/16" high. Pin terminals, bottom flange.
$15 each - $12 (5+)
Cessna Relay
SPDT / 6.5k ohm Coil
(KO) SK5291
C.P. Clare octal plug-in relay for Cessna aircraft. 6.5k ohm coil. 2-1/4" high.
$22 each
Hi-G Relay
4PDT / 10 amp / 20k ohm Coil
(KO) HG4S570
Hi-G relay. 4PDT, 10 amp, 20k ohm coil. Hermetically sealed. 2-3/8"L x 1-1/4"D. 1-7/16" mounting centers.
$45 each
Hook Terminals
Hermetically Sealed Metal Case

1-1/2" x 1-3/8" x 2" high
Part Number Pic Contacts Description Price Each  
(KO) KR5237 Pic SPST 5 amp N.C. contacts. P&B relay. 6.3v AC coil 7.00 Add
(KO) 5722-27HSK Pic 4PST 4 amp N.O. contacts. 100-136v DC (136v DC @ 10ma),
11.3k ohm, 19 ma coil
29.00 Add