Insulators
 
Insulators: Pillars & Standoffs

Ceramic Standoff

(ICR) 410-0373
Burley ceramic standoff. Solid brass caps with threaded hole each end. Made for Gates. Used in large transmitter RF compartments. 14-1/2" overall length, 1-1/4" diameter ceramic, 1-1/2" diameter brass cap.

 

Porcelain Standoff Insulator

(ICR) 430-0166
Porcelain standoff insulator. 10"L, 3" diameter heavy brass base and head. 1-1/2"L x 1/2"D brass stud @ base. (4) #10 threaded holes @ head. 8 ribs. Insulator used in vintage Gates transmitter. Gates P/N: 430-0166-000.
$47.50 each
 
*** SOLD OUT ***
 

Giant Insulator Pillar
Ceramic Body

(ICR) 4064A4
Giant insulator pillar. Ceramic body. Steel base and cap. 7" tall. 3-1/2" diameter at base, 2-3/8" diameter at top. Weighs over 4 lbs. Used.

 

6" Navy Ceramic
Standoff Insulator

(ICR) 3G1300-96
1" diameter glazed ceramic pillar with aluminum foot. 6" high. 5-1/4" leakage path (bare ceramic). 2-1/4" center - center on foot holes. One 10-32 threaded hole at top.

$35 each
 
$10 each - $9 (4+)

4" Navy Ceramic
Standoff Insulator

(ICR) 3G1300-160
The epitome of heavy duty. 1-1/4" diameter glazed ceramic pillar with oversize brass cap and metal foot. 4" high. 1-5/8" leakage path (bare ceramic). 2-5/8" center - center on foot holes. Brass cap has four 3/16" threaded holes.
$12 each - $10 (4+)

(ICR) 3G1300-160-2
Same as above but brass cap has two 3/16" threaded holes.
$12 each - $10 (4+)

(ICR) 3G1300-240
Same as above but 6" high. Two 3/16" holes.
 

4" Navy Ceramic
Standoff Insulator

(ICR) C414-2-4
Heavy duty 1-1/4" diameter glazed ceramic pillar with flush brass cap and metal foot. 4" high. 2-5/8" leakage path (bare ceramic). 2-5/8" center - center on foot holes. Brass cap has two 3/16" threaded holes.
$10 each - $9 (4+)

12" Navy Ceramic
Standoff Insulator

(ICR) C414-1-12
Navy ceramic standoff insulator. 12" high and 10-1/2" leakage path (bare ceramic) and brass cap has one 1/4" threaded hole. Perfect for winding an RF coil too! 1-1/4" diameter.
$15 each - $13 (4+)
 
$20 each - $18 (4+)

4" Navy Ceramic
Standoff Insulator

(ICR) N17-1-70057
Heavy duty 1-1/4" diameter glazed ceramic pillar with oversize brass cap and brass foot. 4" high. 2-1/4" leakage path (bare ceramic). 2-1/4" center - center on foot holes. Brass cap has two 3/16" threaded holes and includes clamp as shown.
$15 each - $13 (4+)

(ICR) 9059T-4
Identical to above but does NOT include clamp as shown.
 

6" Navy Ceramic
Standoff Insulator

(ICR) 3G1300-96C
1" diameter glazed ceramic pillar with aluminum foot. 6" high. 4-1/4" leakage path (bare ceramic). 2-1/4" center - center on foot holes. Brass oversize cap has one 10-32 threaded hole at top.
$13 each - $12 (4+)

(ICR) 1148-12
Shorter version of above. 1" diameter, 3" high. 1-1/4" leakage path (bare ceramic). 2-1/4" center - center on foot holes. Brass oversize cap has one 1/4”-20 threaded hole at top.
$14 each - $12 (4+)
 
$10 each - $9 (4+)

Solid Teflon
Standoff Insulator

(ICR) TEFLON
Solid teflon standoff insulator. Threaded bore, 1/2", brass insert, one end only. 1-3/4" diameter x 8-1/4" long. Nice!! Harris P/N: 424-0166.

 

10" Ceramic Pillar
Standoff Insulator

(ICR) 410-0143
Ceramic pillar standoff insulator. 1-1/2" diameter, 10" overall length. 1-7/8" diameter cap. Harris P/N: 410-0143-000.

$85 each
 
$42 each

10" Ceramic Pillar
Standoff Insulator

(ICR) 410-0354
Ceramic pillar standoff insulator. 1-1/4" diameter, 10" overall length. 1.577 diameter x 1.25 high cap. 1" clockwise threaded holes. Base measures 3-3/8" x 1-7/8". 2-5/8" c-c holes.

 

Insulated Hanger for
1-5/8" - 5" Heliax

(CRF) 33948-3
Andrew insulated hanger for 1-5/8" - 5" heliax. Includes H.D. 3" diameter ceramic insulator measuring 2.5" high. 1/2" brass threads.

$40 each
 
$25 each

Non-Glazed Ceramic
Feed-thru Standoff

(ICR) 50.5
Non-glazed ceramic feed-thru standoff. 0.183" thru-hole. No threads. 0.5" diameter x 0.5" long.
$1.75 each - $1.50 (10+), $1.30 (100+)
 
 

Johnson Ceramic
Standoff Insulator

A: (ICR) 22J
Johnson ceramic standoff insulator. 1" high.
95¢ each - 85¢ (10+), 75¢ (100+)

B: (ICR) 22J/B
Optional metal reinforcement. 5/8" high.
 
 
20¢ each

 

Ceramic Cone

(ICR) CONE5
Ceramic cone. Hollow. 1-1/2" high. 3/4" - 1-1/4" taper.
 
 
$4.50 each
 

Ceramic Standoff

(ICR) CER41
Ceramic standoff. No threads. Brown glazed. 0.1" hole centered end to end. 1/2"D x 2-7/8"L. New, old stock from WWII. Small chips on edges.
 

Glazed Ceramic
Standoff Insulator

(ICR) S01.75
Glazed ceramic standoff insulator. Stackable. 1-3/4" diameter x 3/4" high. 3/8" hole.
$2.75 each - $2.40 (6+)
 
$3 each

Ceramic Square
Standoff Insulator

(ICR) NS5W1208
Ceramic insulator. 3/4" x 3/4" x 1" square. Threaded holes.
 

Glazed Ceramic Square
Standoff Insulator

(ICR) CER37
Glazed ceramic square standoff. # 8 threads. Dimensions: 3/4" x 3/4" x 1-1/4"H.
$5 each
 
$5 each - $4.50 (10+)

Ceramic Insulator
with Stud & Hardware

(ICR) CER22
Ceramic insulator with stud & hardware. 1/2" diameter x 1" long. Round. 8-32 thread.
 

Steatite Insulator

(ICR) 410-0342
Mykroy steatite insulator for Harris Broadcast equipment. 4 holes. 7-11/16" long, 2" high, 1/2" thick. Harris P/N: 410-0342-000.
$6 each
 
$45 each

 

Standoff
Insulators

Glazed ceramic pillars are threaded at the ends and come in many different sizes. Quantities are limited. Hard-To-Find!
 
 
Part Number
O. D.
Long
Thread
Notes
Price Each
Price (20+)
 
(ICR) 15005 3/4" 1-1/4" 10 - 32 Millen, Glazed ceramic
5.50
4.60
(ICR) 31002 5/8" 2-5/8" #4 Millen, Unglazed ceramic
8.50
7.25
(ICR) 34000 1/2" 2" 8 - 32 Millen, Glazed ceramic
4.75
4.20
(ICR) CER8 1/2" 1-1/4" 8 - 32 Millen, Glazed ceramic
3.50
3.00
(ICR) CER9 3/4" 1-1/2"L #10 - 32 Millen, Glazed ceramic
6.00
5.25
(ICR) CER15 1/2" 12.5" #10 -
4.00
3.50
(ICR) CER20 1/2" 1-1/2" 8 - 32
Mfg. P/N: NL523W02-012
4.00
3.50
(ICR) CER21 3/4" 1" 10 - 32 -
5.00
4.35
(ICR) CER26 1" 5" - -
17.00
-
(ICR) CER38 3/8" 1-3/8" 6 - 32 Millen, Unglazed ceramic
2.50
2.10
(ICR) CER39 0.95" 0.312" #4 Millen, Unglazed ceramic
1.90
1.38
(ICR) CER40 0.410" 3/4" #6 - 32 Millen, Unglazed ceramic
2.00
1.50
(ICR) NL523W04-048 1" 6" 1/4 - 20 -
22.00
20.00

Non-Glazed Ceramic
Insulator Plate

(ICR) PLATE
Non-glazed ceramic insulator plate. 1.51" outside diameter, 0.632" inside diameter center hole, 0.192" thick. 0.74" c-c mounting holes.
 

Non-Glazed Ceramic
Disk Spacer

(ICR) CERDISK
Non-glazed ceramic disk spacer. 0.990" outside diameter, 0.203" inside diameter inner hole, 0.378" high.

$2 each - $1.50 (10+)
 
$1.50 each - $1.25 (10+)

Fence Post Insulator

(ICR) SPLIT5
I call it a fence post insulator. The kind I can imagine my rancher relatives whacking a nail through. Also found in some attics of very old houses holding up mostly bare AC wiring. Channel grooved for 2 wires. 1-5/8" diameter x 1-3/4" total height.

 

Ceramic Post
3/8" x 1-3/8"

(ICR) POST
Cute little ceramic post has #8 base thread for mounting and 4 pass through holes (18 gauge wire or smaller) for wire tie at end or center tap.

$1.50 per pair
 
$1 each - 75¢ (20+)

Fence Post Insulator

Cosmetic chipping

(ICR) 3G-575
Another fence post insulator or long wire standoff. Poke a nail through the hole to secure. On a tree, post, etc. Channel grooved. 1-5/8" diameter x 1-1/16" total height. 3/8" hole. NOTE: Packed in sawdust filled crates since the 1940s. Expect some cosmetic chipping. Electrically A-OK.

 

4" Ceramic Insulator

(ICR) 3X1
Use for a base or ?? Ridges hold 3-5/8", 3", 2-1/8" or 1-3/8" inner diameter tubing in place. 1" wide, 4" diameter, 3/8" center hole.
$1 each - 75¢ (10+)
 
$8 each

Serious Power Line
Insulators

(ICR) 1992
LAPP 1992 828YM 65-45-12 glazed ceramic standoff insulator. 21 pounds of meaty ceramic with a galvanized cast iron base.

13" tall, 6" diameter rings.

$50 each - $45 (3+)

(ICR) 1992-CHIP
As above but chipped from shipping. Take advantage of the damage sale while they last.
 

Large Glazed Ceramic
Standoff Insulator

(ICR) L61458
Glazed ceramic standoff insulator of the behemoth class. Made by Lapp Insulator Division, these jewels are crated and ready to go.

36-1/2" tall, 18 (eighteen) 6" diameter rings make a dirt path about a mile long. Top lug has 3/4" diameter hole. Bottom pipe flange style base has 4 holes on 3-1/2" centers. The weight guesstimate is 100 pounds.

These insulators are solid and will handle push or pull torque so you can either hang a wire or hold one up.

$25 each
 
$275 each