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CD 219
Hemingray - 660
Insulator Facts

Dimensions:3 5⁄8" H × 3 3⁄8" W
Primary Embossings:The Primary Embossing is typically found on the front of the insulator and usually identifies either the manufacturer (such as "Hemingray") or the company that the insulator was made for (such as "AM.TEL.&TEL.CO.")

Insulators with No Name or No Embossing are denoted as such.
Years Produced: 1938-1940s
Style Identifiers:Hemingray often used style numbers, letters, words, or a combination to differentiate their insulator styles (such as: T.S., E2, № 1 Provo Type, Muncie Type, etc.) These are often, but not always, embossed on the insulator.
66, 660
Rarity Scale 0. No specimens known
1. Extremely Common (millions known)
2. Very Common
3. Common
4. Fairly Common
5. Uncommon
6. Very Uncommon
7. Rare (dozens known)
8. Very Rare (less than a dozen known)
9. Extremely Rare (2 or 3 known)
10. Unique (only one known)
Common (3/10)
Usage: Power (Primary Distribution)
Series:600
Voltage Rating: 8,000 Volts
Value Range: This is an estimated value range only, based on historical hobby collecting data. Insulator values vary widely depending on many factors, including embossing, color, condition, mold variations, manufacturing anomalies, and other attributes. Please visit the Hemingray Values page for more information.
$3-300
Insulator Overview

This style is the smallest size in the "600" series of Hemingray power insulators, followed by the 670 (CD 220) and the 680 (CD 221). This design was later replaced by CD 218 in the 1950s. It is believed that the versions with No Embossing may have been manufactured by Hemingray as well, as they have been found with a brass bushing embedded in the threads, similar to other Hemingray designs.
Known Embossings (10)
Primary EmbossingThe Primary Embossing is typically found on the front of the insulator and usually identifies either the manufacturer (such as "Hemingray") or the company that the insulator was made for (such as "AM.TEL.&TEL.CO.")

Insulators with No Name or No Embossing are denoted as such.
EINThe Embossing Index Number (EIN) is a unique number assigned by the collecting hobby to each distinct embossing for an insulator design. It is normally shown in brackets, e.g. [050].
EmbossingMost common terms:
(F-Skirt): Front Skirt
(R-Skirt): Rear Skirt
/: New line of embossing
{}: Special note (not embossed on the insulator)
[#]: Represents a number

Other terms:
{MLOB}: Mold Line Over Base
(F-Crown): Front Crown
(R-Crown): Rear Crown
(F-Umbrella): Front Umbrella
(R-Umbrella): Rear Umbrella
BaseThe base is the bottom of the insulator. Hemingray made 4 different types of bases:

1. SDP: Sharp Drip Points
2. RDP: Round Drip Points
3. CB: Corrugated Base
4. SB: Smooth Base
Year AddedThis is the year that this embossing was officially recognized and added to the McDougald (1991-2008) or Briel (2011-2023) insulator price guides. It is not necessarily the year this embossing was discovered.
Photo
Status = In my collection

If the value in this column says WANTED, then that specific insulator is on my wanted list! If you have that insulator and would like to sell it, click on the WANTED link to submit photos and contact me.
HEMINGRAY Unlisted (F-Skirt) HEMINGRAY-660/LOWEX (R-Skirt) MADE IN U.S.A./[# and dots] {A brass bushing is molded into the pinhole} SB - No Photo
HEMINGRAY [010] (F-Skirt) HEMINGRAY - 66/[#] (R-Skirt) MADE IN U.S.A./[#] SB - Photo
HEMINGRAY [012] (F-Skirt) HEMINGRAY-66/[#] (R-Skirt) MADE IN U.S.A./[#] {A brass bushing molded into the pinhole with a square at the top} SB 2015 No Photo
HEMINGRAY [020] (F-Skirt) HEMINGRAY - 660 (R-Skirt) MADE IN U.S.A./[# and dots] CB - Photo
HEMINGRAY [030] (F-Skirt) HEMINGRAY - 660 (R-Skirt) MADE IN U.S.A./[# and dots] SB - Photo
HEMINGRAY [040] (F-Skirt) HEMINGRAY - 660/LOWEX (R-Skirt) MADE IN U.S.A./[# and dots] SB - Photo
HEMINGRAY [050] (F-Skirt) HEMINGRAY - 660/LOWEX/['[#]' blotted out] (R-Skirt) MADE IN U.S.A./[# and dots] SB - Photo
HEMINGRAY [070] (F-Skirt) HEMINGRAY - 660/[# and dots] (R-Skirt) MADE IN U.S.A./[#] SB - No Photo-
NO EMBOSSING [010] [No embossing]
Note: I question if the [010] embossing truly exists (without a brass bushing embedded in the threads).
Note: This embossing is a suspected, but unconfirmed, Hemingray product.
SB - No PhotoWANTED
($100 Reward)
NO EMBOSSING [020] [No embossing] {A brass bushing molded into the pinhole with a square at the top}
Note: This embossing is a suspected, but unconfirmed, Hemingray product.
SB 2015 Photo
Removed Embossing

The following embossing(s) were removed from the price guide because they could not be verified to exist, were consolidated with other embossings, or were otherwise ambiguous/inaccurate. They are preserved here for historical purposes.

Primary EmbossingThe Primary Embossing is typically found on the front of the insulator and usually identifies either the manufacturer (such as "Hemingray") or the company that the insulator was made for (such as "AM.TEL.&TEL.CO.")

Insulators with No Name or No Embossing are denoted as such.
EINThe Embossing Index Number (EIN) is a unique number assigned by the collecting hobby to each distinct embossing for an insulator design. It is normally shown in brackets, e.g. [050].
EmbossingMost common terms:
(F-Skirt): Front Skirt
(R-Skirt): Rear Skirt
/: New line of embossing
{}: Special note (not embossed on the insulator)
[#]: Represents a number

Other terms:
{MLOB}: Mold Line Over Base
(F-Crown): Front Crown
(R-Crown): Rear Crown
(F-Umbrella): Front Umbrella
(R-Umbrella): Rear Umbrella
BaseThe base is the bottom of the insulator. Hemingray made 4 different types of bases:

1. SDP: Sharp Drip Points
2. RDP: Round Drip Points
3. CB: Corrugated Base
4. SB: Smooth Base
Year Removed
HEMINGRAY [060] (F-Skirt) HEMINGRAY-660 / [# and dots] (R-Skirt) MADE IN U.S.A. / [# and dots]
Note: This was likely a less accurate account of [070]; there are no known specimens with [# and dots] on both sides.
SB 1999
Known Colors (12)
ColorThe color of the insulator.
Clear
Clear w/ Treated Top
Honey Amber
Ice Blue
Ice Green
Ice Green w/ Treated Top
Lemon Tint
Light Lemon
Olive Amber
Red Amber
Straw
Yellow Amber