PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121971Circuit Card Assembly

Itt Telecom Products Corp Network Systems Div · NSN 5998-01-081-3349 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-081-3349 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-081-3349. Primary manufacturer part number: 121971.
Features
  • Circuit Card Assembly — FSC 5998
  • 2 verified cross-references
  • Primary manufacturer: Itt Telecom Products Corp Network Systems Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-081-3349, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Itt Telecom Products Corp Network Systems Div. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5998-01-081-3349
Primary Part Number121971
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerItt Telecom Products Corp Network Systems Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6680-00-830-722612197-1 INTERCHANGEABLE
Diaphragm,pressure
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
6685-01-112-9884 INTERCHANGEABLE
Diaphragm
5340-01-643-97784104696 INTERCHANGEABLE
Bracket,mounting
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
121971 Itt Telecom Products Corp Network Systems Div (USA)
4104696 Cortelco Canada Inc (CAN)
Related Parts
6680-00-830-7226INTERCHANGEABLE
DIAPHRAGM,PRESSURE
12197-1
6685-01-112-9884INTERCHANGEABLE
DIAPHRAGM
5340-01-643-9778INTERCHANGEABLE
BRACKET,MOUNTING
4104696

Frequently Asked Questions

What is NSN 5998-01-081-3349?

NSN 5998-01-081-3349 is a Circuit Card Assembly, manufactured by Itt Telecom Products Corp Network Systems Div, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-081-3349?

NSN 5998-01-081-3349 has 2 cross-referenced part numbers: 121971 (Itt Telecom Products Corp Network Systems Div), 4104696 (Cortelco Canada Inc).

What NSN replaces 5998-01-081-3349?

There are 3 known substitutes for 5998-01-081-3349: 6680-00-830-7226, 6685-01-112-9884, 5340-01-643-9778. Verify interchangeability with system specifications before substitution.

What are the specifications of 121971?

Key specifications for 121971: Special Features: PRINTED WIRING BOARD 1,RESISTOR 203,TERMINAL STANDOFF 14,TERMINAL 28,CONNECTOR 1,COIL 4,CAPACITOR 79,DIODE 28,TRANSISTOR 15,RELAY 2,LINEAR MICROCIRCUIT 33; Special Features: PRINTED WIRING BOARD 1,RESISTOR 203,TERMINAL STANDOFF 14,TERMINAL 28,CONNECTOR 1,COIL 4,CAPACITOR 79,DIODE 28,TRANSISTOR 15,RELAY 2,LINEAR MICROCIRCUIT 33. 2 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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