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C18643 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SEPARATOR,INTERSTAGE is a the manufacturer industrial component. Key specifications include end_item_identification: ELECTRO IMPULSE S9551A1-MM-N010 LOW PRESSURE AIR DEHYDRATOR,TYPE 1,CLASS 7. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4440-01-178-8513, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
C18643
NSN: 4440-01-178-8513
FSC: 4440
CAGE: 91161 — ELECTRO IMPULSE LABORATORY INC DBA ELECTRO IMPULSE INC (USA)
SPECIFICATIONS
end_item_identificationELECTRO IMPULSE S9551A1-MM-N010 LOW PRESSURE AIR DEHYDRATOR,TYPE 1,CLASS 7
general_characteristics_item_descriptionSTEEL; 13.031 IN. H,6.000 IN. OD,0.500 IN. CONDENSATE OUTLET OD,1.625 IN. DRY AIR OUTLET OD,1.625 IN. WET AIR INLET OD,150 PSIG WORKING,750 PSIG MAX PRESSURE IN
NSN4440-01-178-8513
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEPARATOR,INTERSTAGE TITLE COMPONENT PN C18643 MFR SEPARATOR,INTERSTAGE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL; 13.031 IN. H,6.000 IN. OD,0.500 IN. CONDENSATE OUTLET OD,1.625 IN. DRY AIR OUTLET OD,1.625 IN. WET AIR INLET OD,150 PSIG WORKING,750 PSIG MAX PRESSURE IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONELECTRO IMPULSE S9551A1-MM-N010 LOW PRESSURE AIR DEHYDRATOR,TYPE 1,CLASS 7
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL; 13.031 IN. H,6.000 IN. OD,0.500 IN. CONDENSATE OUTLET OD,1.625 IN. DRY AIR OUTLET OD,1.625 IN. WET AIR INLET OD,150 PSIG WORKING,750 PSIG MAX PRESSURE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
4248Interchangeable
interchangeable cross-reference
interchangeable
360D1-0623Interchangeable
interchangeable cross-reference
interchangeable
163-41Interchangeable
interchangeable cross-reference
interchangeable
186-43Interchangeable
interchangeable cross-reference
interchangeable
62A85-B106Interchangeable
interchangeable cross-reference
interchangeable
18043Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C18643?
C18643 is a SEPARATOR,INTERSTAGE.
What parts can replace C18643?
There are 6 known substitutes for C18643: 4248, 360D1-0623, 163-41 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C18643?
C18643 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4440-01-178-8513. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026