PartsTable
Technical Data Sheet
PartsTable / MRO / 6503B
6503B ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 PHASE SHIFTER,L BAN is a the manufacturer industrial component. Key specifications include end_item_identification: WORTHINGTON HP COMPRESSOR CLASS A/AA AND B/BB, general_characteristics_item_description: STEEL,STAINLESS,QQ-S-763,1 REQUIRED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-855-0909, 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
MRO→ MRO_GENERAL→ 6503B
NSN: 5915-00-855-0909
FSC: 5915
CAGE: 07180 — SPECTRUM MICROWAVE, INC. (USA)
SPECIFICATIONS
end_item_identificationWORTHINGTON HP COMPRESSOR CLASS A/AA AND B/BB
general_characteristics_item_descriptionSTEEL,STAINLESS,QQ-S-763,1 REQUIRED
NSN5915-00-855-0909
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PHASE SHIFTER,L BAN TITLE COMPONENT PN 6503B MFR PHASE SHIFTER,L BAN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
40231Interchangeable
interchangeable cross-reference
interchangeable
44264Interchangeable
interchangeable cross-reference
interchangeable
44434Interchangeable
interchangeable cross-reference
interchangeable
200114LInterchangeable
interchangeable cross-reference
interchangeable
200114L PC867Interchangeable
interchangeable cross-reference
interchangeable
6503BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6503B?
6503B is a PHASE SHIFTER,L BAN. It is classified as a MRO (MRO_GENERAL).
What parts can replace 6503B?
There are 14 known substitutes for 6503B: 40231, 44264, 44434 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6503B?
6503B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-855-0909. 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