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.
$350 each
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.
$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.
$3 each - $2.50 (10+)
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!!
$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.
$15 each
Vector Stand-Off
(COL) VECTOR1
Turret post as used in most Collins tube equipment. Replace vectors with broken legs.
$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.
$1 each
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
Phenolic Coil Forms
Slug Tuning Rack Coils
Variable Pitch
Part Number Slug Inductance Price  
(ICF) SRC-1 1/4" 0.51 µH 2.50 Add
(ICF) SRC-2 1/4" 0.75 µH 2.50 Add
(ICF) SRC-3 1/4" 1.38 µH 3.00 Add
(ICF) SRC-4 1/4" 2.58 µH 3.00 Add
(ICF) SRC-5 1/4" 2.66 µH 3.50 Add
(ICF) SRC-6 1/4" 6.45 µH 4.50 Add
(ICF) SRC-7 5/32" 1.52 µH 2.00 Add

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 Add
(ICH) SLUG-1B Ferrite, 6-32 1/8" x 3/16" Slot 0.35 0.25 0.15 Add
(ICH) SLUG-2 Steel 3/16" x 3/8" Hex 0.30 0.23 0.15 Add
(ICH) SLUG-3 Ferrite - white 1/4" x 3/8" Hex 0.60 0.50 0.35 Add
(ICH) SLUG-4 Ferrite- red 1/4" x 3/4" Hex 0.70 0.60 0.40 Add
(ICH) SLUG-4A Ferrite- red 1/4" x 3/8" Hex 0.60 0.50 0.35 Add
(ICH) SLUG-4B Ferrite- red 1/4" x 0.255" Hex 0.60 0.50 0.35 Add

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.
*** SOLD OUT ***