Hemingray Insulator Profile: CD 168  
This common Lowex style produced by Hemingray is the first in the D-5X0 series. Some early specimens have a brass bushing embedded in the threads. 

Dimensions: 3 1/2" H x 3 1/4" W
Primary
Embossing:
HEMINGRAY
Years Produced:
c.1930s-1940s
Style Number:D-510
Rarity Scale (1-10): Common (3)
Usage: Primary Power Distribution
Voltage Rating: 6,600 Volts
Known Embossings (24) Collapse
 
HEMINGRAY [005] (F-Skirt) HEMINGRAY/MADE IN U S A {Note no periods} (R-Skirt) D-510 SB < WANTED! 
HEMINGRAY [010] (F-Skirt) HEMINGRAY/MADE IN U.S.A. (R-Skirt) D-510 CB
HEMINGRAY [020] (F-Skirt) HEMINGRAY/MADE IN U.S.A. (R-Skirt) D-510 SB Photo
HEMINGRAY [023] (F-Skirt) HEMINGRAY/MADE IN U.S.A. (R-Skirt) REG. U.S. PAT. OFF./LOWEX/D-510 SB
HEMINGRAY [027] (F-Skirt) HEMINGRAY/MADE IN U.S.A. (R-Skirt) [Number]/D-510 SB
HEMINGRAY [028] (F-Skirt) HEMINGRAY/MADE IN U.S.A. {Note 'A' in 'MADE' is missing bar} (R-Skirt) D-510 SB Photo
HEMINGRAY [040] (F-Skirt) [Numbers and dots]/HEMINGRAY/MADE IN U S A {Note no periods} (R-Skirt) [Number]/D-510 SB < WANTED! 
NEW! HEMINGRAY [042] (F-Skirt) [Numbers and dots]/HEMINGRAY/MADE IN U S A {Note no periods} (R-Skirt) [Number]/D-510 {A brass bushing molded into the pinhole with a square at the top} SB < WANTED! 
HEMINGRAY [050] (F-Skirt) [Numbers and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) D-510 CB Photo
HEMINGRAY [055] (F-Skirt) [Numbers and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) D-510 SB Photo
HEMINGRAY [060] (F-Skirt) [Numbers and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) LOWEX/D-510 SB
HEMINGRAY [070] (F-Skirt) [Numbers and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) LOWEX/[Number]/D-510 SB
HEMINGRAY [080] (F-Skirt) [Numbers and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) REG. IN U.S. PAT. OFF./LOWEX/D-510 SB
HEMINGRAY [090] (F-Skirt) [Numbers and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) REG. U.S. PAT. OFF./LOWEX/D-510 SB Photo
NEW! HEMINGRAY [092] (F-Skirt) [Numbers and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) REG. U.S. PAT. OFF./LOWEX/D-510 {A brass bushing molded into the pinhole with a square at the top} SB < WANTED! 
HEMINGRAY [095] (F-Skirt) [Numbers and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) REG. U.S. PAT. OFF./LOWEX/[Number]/D-510 SB
HEMINGRAY [100] (F-Skirt) [Numbers and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) REG. U.S. PAT. OFF./LOWEX/['[Number]' blotted out]/D-510 SB
HEMINGRAY [110] (F-Skirt) [Numbers and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) [Number]/D-510 SB Photo
NEW! HEMINGRAY [112] (F-Skirt) [Numbers and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) [Number]/D-510 {A brass bushing molded into the pinhole with a square at the top} SB Photo
HEMINGRAY [115] (F-Skirt) [Numbers and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) ['LOWEX' blotted out]/D-510 CB
HEMINGRAY [120] (F-Skirt) [Numbers and dots]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) ['REG. U.S. PAT. OFF./LOWEX' blotted out]/D-510 CB Photo
HEMINGRAY [130] (F-Skirt) [Numbers]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) D-510 SB Photo
HEMINGRAY [135] (F-Skirt) [Numbers]/HEMINGRAY/MADE IN U.S.A. {Note 'A' in 'MADE' is missing bar} (R-Skirt) D-510 SB < WANTED! 
HEMINGRAY [140] (F-Skirt) [Number]/HEMINGRAY/MADE IN U.S.A. (R-Skirt) ['LOWEX' blotted out]/D-510 SB Photo

The following embossings were removed from the price guide because they could not be verified to exist:

Unverified Embossings
Year Removed
HEMINGRAY [030] (F-Skirt) LOWEX / HEMINGRAY / MADE IN U.S.A. (R-Skirt) D-510 SB 2003
HEMINGRAY [150] (F-Skirt) ['LOWEX' blotted out] / HEMINGRAY / MADE IN U.S.A. (R-Skirt) D-510 CB 2003





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