Tuning Slugs & Miscellaneous Coil Forms

Complete Engineering Set of
Powdered Iron Slugs for RF Coils

(ICH) SSLUGS
Stackpole Carbon Co. complete engineering set of powdered iron slugs for RF coils. 40 different types with 10 - 15 per tube. Various grades, screw sites & body diameters. We suspect Circa 1940's.
 

HF Ferrite
Tuning Slug

(ICH) SLUGRK-3
HF ferrite tuning slug. HF mix. This was made for and used exclusively in Scientific Radio HF equipment produced in the 1980's. 0.500" diameter, 2.50" long + brass adjuster. 6-32 slotted brass adjuster. Use (ICF) FORM-P10 for coil form.
$350 each
 
$8 each - $7.40 (3+)

Fiberglass Insulator Tube

(ICF) AD-9371-1
Fiberglass insulator tube. Very tough! Perfect for winding coil / choke. 6-3/4" x 7/8" O.D. x 3/4" I.D. NSN: 5970-01-349-3617.
 

Phenolic Coil Form

(ICF) PH1-750
Phenolic coil form. 1/8" winding tie-off holes, 2 at top, 4 at bottom. 1-7/8" outside diameter, 1-5/8" inside diameter, 3-5/8" long. Very stout!!
$3 each - $2.50 (10+)
 
$5.75 each - $5.25 (10+), $4.80 (25+)

Phenolic Coil Form

(ICF) 83-1K
Amphenol phenolic coil form. 24 turns, 8 t.p.i. 1-1/4"D x 4-5/16"L. Amphenol P/N: 83-1K on original carton.
 

Vector Stand-Off

(COL) VECTOR1
Turret post as used in most Collins tube equipment. Replace vectors with broken legs.
$15 each
 
$5 each

Straw Coil Forms for Tuning Slugs

Plasticized paper coil forms purchased from Collins. These were used in conjunction with a powered iron slug in many vacuum tube radios from 1960-1980's.
(ICF) STW-2
1/4" inner diameter, 0.265" outer diameter. 2.745" long.
60¢ each

(ICF) STW-2.5
1/4" inner diameter for 1/4" slug, 2.5" long.
$1 each - 80¢ (10+), 65¢ (25+), 50¢ (100+)

(ICF) STW-3
3/32" inner diameter for 5/32" slug, 1/2" long.
10¢ each

(ICF) STW-5
1/4" inner diameter for 1/4" slug. 0.281" outer dia. 2.31" long.
$1.25 each

(ICF) STW-6
1/4" inner diameter for 1/4" slug. 0.281" outer diameter.
1.81" (1-13/16") long.
 

Paper Coil Form

(ICF) FORM-P10
10-3/4" long, 9/16" diameter varnished split tube grooved @ 2-3/4 t.p.i.
$2.50 each

(ICF) FORM-P7
7-3/4" long
$2 each
 
$1 each
 
 

 

Phenolic Coil Forms
Slug Tuning Rack Coils

Variable Pitch
 

Part Number
Slug
Inductance
Price
 
(ICF) SRC-1 1/4" 0.51 µH
2.50
(ICF) SRC-2 1/4" 0.75 µH
2.50
(ICF) SRC-3 1/4" 1.38 µH
3.00
(ICF) SRC-4 1/4" 2.58 µH
3.00
(ICF) SRC-5 1/4" 2.66 µH
3.50
(ICF) SRC-6 1/4" 6.45 µH
4.50
(ICF) SRC-7 5/32" 1.52 µH
2.00

 

Tuning Slugs

 

Part Number
Material
Size
Adjustment
Price Each
Price (10+)
Price (100+)
 
(ICH) TH27-0103 Ferrite, 8-32 0.155" x 0.435" Slot
0.45
0.35
0.25
(ICH) SLUG-1B Ferrite, 6-32 1/8" x 3/16" Slot
0.35
0.25
0.15
(ICH) SLUG-2 Steel 3/16" x 3/8" Hex
0.30
0.23
0.15
(ICH) SLUG-3 Ferrite - white 1/4" x 3/8" Hex
0.60
0.50
0.35
(ICH) SLUG-4 Ferrite- red 1/4" x 3/4" Hex
0.70
0.60
0.40
(ICH) SLUG-4A Ferrite- red 1/4" x 3/8" Hex
0.60
0.50
0.35
(ICH) SLUG-4B Ferrite- red 1/4" x 0.255" Hex
0.60
0.50
0.35

Edgewound Coil

(ICF) FORM-COMP7
7" long support for edgewound coil. 3/8" wide x 1" high. 35 grooves.
 

PTFE Coil Form

(ICF) TEF-4
1-1/4" outer diameter (1-1/2" outer diameter @ flange), 3-5/8" long. 1/8" wall. Wind your own HV coil.
$8 each
 
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