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Color-Coded Incandescent Flange Base T-1 and T-1 3/4 Lamps for Voltage Identification
Translate name
STANDARD published on 1.12.2025
Designation standards: SAE AS4156D
Publication date standards: 1.12.2025
SKU: NS-1253138
Country: American technical standard
Category: Technical standards SAE
This document specifies that black is the only color that can be used for the insulator at the bottom of the base of T-1 and T-1 ? Flanged Base lamps.
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Standard
Stabilized: Dec 2025 
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Latest update: 2025-12-23 (Number of items: 2 253 013)
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