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Antenna Parts & Accessories
        Home Page >> Index Page >> Antennas >> Antenna & RF Feed-Thru Insulators
 
Antenna & RF Feed-Thru Insulators

Hipotronics
HV Feed-Thru Bushing

(ICR) FTB-40
  • Description
  • Dimensions

Hipotronics
high voltage feed-thru bushing. Model FTB-40. Rated at 40KV RMS. Mineral oil filled. Weight: 40lbs. Used, but in excellent condition.

• 31" overall height (end to end)
• 12" diameter center mounting flange
• 11" from top terminal to center flange
• 19-1/4" from bottom terminal to center flange
• 6-3/4" diameter flange terminal (each end)
 

Beehive Antenna Insulator

(ICR) 402B
  • Description
  • Specifications

Beehive antenna insulator. Extends 2-1/4" above and below nickel plated, heavy brass mounting collar. Original design to solder in place but user can drill perimeter holes and bolt in place.

Bottom terminal: 3/16" stud
Top terminal: Compression nut to accept 1/8" whip antenna or use locking nut to secure a wire lead
Dimensions: 2" diameter ceramic fits in 3" hole. 6-1/4" overall length
Weight: 2.55 lbs
$795 each - $699 (3+)
 
$35 each - $31 (3+)

Ceramic Feed-thru
Insulator Cone

(ICR) 9546
HH Smith smooth ceramic feed-thru insulator cone. 25 kv. 1-5/8" O.D., 3-7/8" overall. 2-3/4" + bolt above chassis. Minimum panel hole 3/4" stud - 1/4", #20 thread. 5-3/4" long. NSN: 5970-00-020-9007.
$22 each - $20 (6+)
 
 

Feed-Thru Insulator

(ICR) 9548
1-5/8" outside diameter, 4-1/4" long, #10 stud bolt. 18kv.
$13 each - $11.75 (6+)

(ICR) 9557
1-1/4" maximum outside diameter, 1-3/8" above panel, 11/16" below. Banana jack female as pictured above. New in the bag. 5" long stud bolt $1 extra.
   
*** SOLD OUT ***
 

 

Feed-Thru Insulator
(no hardware)

(ICR) 32103
James Millen glazed Ceramic insulator without hardware. 1-9/16" overall length. Accomodates up to 1/2" panel. 1-1/8" maximum diameter. 1 set = 1 male, 1 female. 800 sets available!!

 
 
$6 per set - $5 (10+ sets), $4.50 (50+), $3.90 (150+)
 

Feed-Thru Insulator

(ICR) FT2
Feed-thru insulator. Top ceramic bushing is glazed, bottom is not. Fits 0.415" panel / chassis hole. 1/4" stud is fixed, 0.5" long on top. 2" overall length, 5/8" diameter. 7/16" behind panel depth. Includes nut, washer & insulating washer.
 

Feed-thru Insulator

(ICR) 32201
James Millen glazed ceramic feed-thru insulator. 1-3/4"D max, 2-3/8"L fully compressed. 5"L x 1/4" brass stud bolt. 3 nuts, 2 flat washers & 2 lock washers on each end!! 1-1/4" diameter inner shoulder for HV chassis pass-thru. 1/2" max wall thickness.
$4.75 each - $4.35 (6+)
 
$18 each - $16.50 (6+)

Feed-Thru Insulator

(ICR) 21846
Feedthru panel ideal thickness is 3/8" - 1/2" thick. 1-3/4" diameter ceramic body tapers up from both ends to peak at 2-3/4" from short end. Both flanges are free so walls over 5" thick can be penetrated. Overall length is 9-3/4", 3" 12 hole flange.
 

Feed-Thru Insulator

(ICR) 9545
1-1/4" maximum outside diameter, 1-3/8" above panel, 11/16" below. 3-1/2" long stud bolt. New in the bag.
$42 each
 
*** SOLD OUT ***
 

Feed-Thru Insulator

(ICR) 9544E
Feed-thru insulator. 1-11/16" L stud bolt. 9/32" below panel. 19/32" above panel.

Dimensions: 5/8" x 15/16"L. 5/16" hole required.

 

Insulated Feed-Thru
Bushing Kit

(CNE) 36A280790G01
Insulated feed-thru bushing kit. Plastic body. 1/4 - 20 threaded brass insert. 5/16" - 1" panel thickness. Fits 11/16" hole. Kit contains 2 feedthru bushings, 4 bolts + nuts, washers.
NSN: 6105-00-408-5551.
*** SOLD OUT ***
 
 
$18 each

Beehive

(ICR) 21772
Feedthru ceramic beehive insulator with ceramic for 1 side only. Use for standoff on insulated enclosures like our SRS antenna coupler boxes. H.H. Smith.

2" high, 1-5/8" diameter at base. Includes bolt, nuts and insulating washer.
 

Beehive Giant Flush Mount
Feed-Thru Insulator

(ICR) C-10001
We have sold hundreds of these flush mount glazed ceramic insulators. Drill center hole only as large as you need it, then connect to 1/4" feedthru stud. Feed thru walls of any thickness. Just slide Teflon sleeving or PVC pipe over conductor inside of wall. 3-3/8" high, 4" diameter 4 hole base flange with cork seal.
$9.95 each
 
$15 each - $13 (3+)

Navy Bowl Giant Bowl
Feed-Thru Insulator

Antenna Longwire Feed-Thru
(ICR) 1-9199ZC2CH
Stand off any long wire penetration through up to 5" of wall thickness. Made in the 50's for Locke Insulator Corp. for our US Navy. Boxed, new, never used! Original boxes have moisture damage.

7" max diameter ceramic bowl stands 6" above the mounting surface. 3/8" solid brass bolt pokes 5-1/2" out bottom, as pictured. Galvanized shield cone is removable. Bolt collar includes galvanized hardware.
 

Large Shipboard
Feed-Thru Insulator

96 pound weakling
(ICR) REC61002
Shipboard antenna insulator doubles as an anchor chuck for your larger vessels. This 96 pound insulator has a 13" diameter solid brass center flange with an 8 hole flange for mounting. 1-1/4" threaded brass post on top cap feeds thru to solid brass bell on bottom with 4 hole bolt pattern. Glazed brown ceramic insulator. It should withstand 1,000 amps and 100 kv and 1,000's of pounds of tension. Perfect for an above ground tie point on that 1/4 mile long wire. Of course, new in the wooden crates.
$19 each - $15 (3+)
 
$350 each

Navy Brass & Clear Glass

(ANT) SC595A
The finest surface feedthru insulator we have in this size bracket. 3-1/2" diameter flange, 1-5/8" high bowl. 3-3/4" x 1/4" through rod. All brass fittings and hardware. Rear retainer ring is tapped.
 

Feed-Thru Insulator

(ICR) 77C721340
Type "N" female to #10 stud bolt. Nickel / Stainless. Gaskets. 3-1/2" total length. Mil-Spec quality.
$22 each
 
$19.95 each - $17 (3+)

Feed-Thru Insulator

(ICR) 1295B/ASY
Dielectric Sciences feedthru insulator hermetically sealed in 7" diameter aluminum flange. 12" total length. Corona cap on end, flex ring terminal on top side. 10 gauge braided conductor. Rated for 100kv.
 

Feed-Thru Insulator

(ICR) 1295B-1
Dielectric Sciences feedthru standoff section only of the above fully assembly. 5" total length. Mounts in 2-1/4" hole. Includes nut.
$350 each
 
$195 each

Lead-Thru Insulator

(ICR) 631645
RCA Victor lead-thru insulator. Fine, polished aluminum terminals. #300 natural body. 2-3/4", 10 thread at base. 5-9/16"L x 3-3/8" O.D. New, unused. Made in 1954!!
 

Feed-Thru Insulator

(ICR) RES663349-1A
Old fashioned feedthru. 2-1/4" diameter x 3-1/2" high. Hardware not included.
$25 each - $22 (3+)
 
$7.95 each - $6.50 (10+)

For More Information
E-mail: grinnell@surplussales.com

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