Consumables & expendables · part number

1641

This number names 2 distinct parts in the graph — a shared stock number or customer reference, never merged by guesswork. Pick the part you hold:

1641 ADVANCED TECHNICAL CERAMICS COMPANY

INSULATOR,STANDOFF

1641 HALOGEN INSULATOR AND SEAL CORP

INSULATION SLEEVING,ELECTRICAL

This crosswalk identifies candidate equivalents with cited evidence. It is not an airworthiness approval. Substitution decisions remain subject to your organisation’s procurement and engineering approval process and the governing maintenance data (AMM/CMM/SRM/CML/OMAT).