PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

000004Circuit Card Assembly

Bt Italia Spa · NSN 5998-01-603-5276 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-603-5276 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-603-5276. Primary manufacturer part number: 000004.
Features
  • Circuit Card Assembly — FSC 5998
  • 2 verified cross-references
  • Primary manufacturer: Bt Italia Spa
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-603-5276, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Bt Italia Spa. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5998-01-603-5276
Primary Part Number000004
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerBt Italia Spa
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5996-01-185-692200-00-04 INTERCHANGEABLE
Amplifier,radio Frequency
Tel-Instrument Electronics Corp Div Tel-Instrument Electronics Corporation
6530-01-473-625000085 INTERCHANGEABLE
Message Pole,sn,cot
Ems Innovations Inc.
Cross-Reference Index
Part NumberManufacturer
000004 Bt Italia Spa (ITA)
700466618 Avaya Inc. (USA)
Related Parts
5996-01-185-6922INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
00-00-04
6530-01-473-6250INTERCHANGEABLE
MESSAGE POLE,SN,COT
00085

Frequently Asked Questions

What is NSN 5998-01-603-5276?

NSN 5998-01-603-5276 is a Circuit Card Assembly, manufactured by Bt Italia Spa, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-603-5276?

NSN 5998-01-603-5276 has 2 cross-referenced part numbers: 000004 (Bt Italia Spa), 700466618 (Avaya Inc.).

What NSN replaces 5998-01-603-5276?

There are 2 known substitutes for 5998-01-603-5276: 5996-01-185-6922, 6530-01-473-6250. Verify interchangeability with system specifications before substitution.

What are the specifications of 000004?

Key specifications for 000004: End Item Identification: TELEPHONE SYSTEM; Part Name Assigned by Controlling Agency: MM714B EXPANSION MODULE; Special Features: RJ-11 INTERFACE; End Item Identification: TELEPHONE SYSTEM. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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