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Technical Data Sheet
PartsTable / MRO / G603338
G603338 ✓ 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 RINGER,TELEPHONE is a the manufacturer industrial component. Key specifications include ringer_type: BIASED, identifying_number: BZ-23/PT PART NO., armature_adjustability: NONADJUSTABLE, mounting_configuration: FOUR 0.174 IN. DIA MTG HOLES ON 1.812 IN.

SQ MTG CENTERS IN, item_name_assigned_by_government_agency: BUZZER. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5805-00-503-1145, 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→ G603338
NSN: 5805-00-503-1145
FSC: 5805
CAGE: 64959 — AMERICAN TELEPHONE AND TELEGRAPH CO (USA)
SPECIFICATIONS
ringer_typeBIASED
identifying_numberBZ-23/PT PART NO.
armature_adjustabilityNONADJUSTABLE
mounting_configurationFOUR 0.174 IN. DIA MTG HOLES ON 1.812 IN. SQ MTG CENTERS IN
item_name_assigned_by_government_agencyBUZZER
NSN5805-00-503-1145
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RINGER,TELEPHONE TITLE COMPONENT PN G603338 MFR RINGER,TELEPHONE
KEY FEATURES
•
ITEM NAME ASSIGNED BY GOVERNMENT AGENCY: BUZZER
•
IDENTIFYING NUMBER: BZ-23/PT PART NO.
•
ARMATURE ADJUSTABILITY: NONADJUSTABLE
•
RINGER TYPE: BIASED
•
MOUNTING CONFIGURATION: FOUR 0.174 IN. DIA MTG HOLES ON 1.812 IN. SQ MTG CENTERS IN
TECHNICAL CHARACTERISTICS (FLIS)
ITEM NAME ASSIGNED BY GOVERNMENT AGENCYBUZZER
IDENTIFYING NUMBERBZ-23/PT PART NO.
ARMATURE ADJUSTABILITYNONADJUSTABLE
RINGER TYPEBIASED
MOUNTING CONFIGURATIONFOUR 0.174 IN. DIA MTG HOLES ON 1.812 IN. SQ MTG CENTERS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
327AInterchangeable
interchangeable cross-reference
interchangeable
531Interchangeable
interchangeable cross-reference
interchangeable
327T0-50DCUAInterchangeable
interchangeable cross-reference
interchangeable
458-0403-00Interchangeable
interchangeable cross-reference
interchangeable
MIL-E-1/882Interchangeable
interchangeable cross-reference
interchangeable
MILE1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G603338?
G603338 is a RINGER,TELEPHONE. It is classified as a MRO (MRO_GENERAL).
What parts can replace G603338?
There are 23 known substitutes for G603338: 327A, 531, 327T0-50DCUA and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for G603338?
G603338 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5805-00-503-1145. 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