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Technical Data Sheet
PartsTable / MRO / D803-00318A
D803-00318A ✓ 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 LINE REPEATER is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5815-01-019-9851, 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→ D803-00318A
NSN: 5815-01-019-9851
FSC: 5815
CAGE: 14031 — DIGITECH INDUSTRIES INC (USA)
SPECIFICATIONS
Part NumberD803-00318A
NSN5815-01-019-9851
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LINE REPEATER TITLE COMPONENT PN D803-00318A MFR LINE REPEATER
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: THE LINE REPEATER IS A SOLID-STATE REPEATER OF NEUTRAL TELEGRAPH SIGNALS OFFERING ELECTRICAL ISOLATION BETWEEN INPUT AND OUTPUT CIRCUITS.INPUT AND OUTPUT LEVELS MAY BE EITHER 20 MA. OR 60 MA. NEUTRAL. EQUIPMENT APPLICATION TELECOM SWITCHING UNIT,MODEL TSU10,DESIGNED AND MANUFACTURED BY DIGITECH,DATA INDUSTRIES,INC.,RIDGEFIELD,CONNECTICUT
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONTHE LINE REPEATER IS A SOLID-STATE REPEATER OF NEUTRAL TELEGRAPH SIGNALS OFFERING ELECTRICAL ISOLATION BETWEEN INPUT AND OUTPUT CIRCUITS.INPUT AND OUTPUT LEVELS MAY BE EITHER 20 MA. OR 60 MA. NEUTRAL. EQUIPMENT APPLICATION TELECOM SWITCHING UNIT,MODEL TSU10,DESIGNED AND MANUFACTURED BY DIGITECH,DATA INDUSTRIES,INC.,RIDGEFIELD,CONNECTICUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
T401MInterchangeable
interchangeable cross-reference
interchangeable
C18.1Interchangeable
interchangeable cross-reference
interchangeable
E401Interchangeable
interchangeable cross-reference
interchangeable
67A318H2-1Interchangeable
interchangeable cross-reference
interchangeable
LR1Interchangeable
interchangeable cross-reference
interchangeable
6M638Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D803-00318A?
D803-00318A is a LINE REPEATER. It is classified as a MRO (MRO_GENERAL).
What parts can replace D803-00318A?
There are 10 known substitutes for D803-00318A: T401M, C18.1, E401 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D803-00318A?
D803-00318A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5815-01-019-9851. 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