PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12123Circuit Card Assembly

Network Equipment Technologies Inc · NSN 5998-01-476-8234 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-476-8234 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-476-8234. Primary manufacturer part number: 12123.
Features
  • Circuit Card Assembly — FSC 5998
  • 2 verified cross-references
  • Primary manufacturer: Network Equipment Technologies Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-476-8234, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Network Equipment Technologies Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5998-01-476-8234
Primary Part Number12123
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerNetwork Equipment Technologies Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5998-01-600-7657 (004050A)
HAZMATNo
Verified Substitutes 12
5998-01-600-7657004050A SUCCESSOR
Circuit Card Assembly
Network Equipment Technologies Inc
5310-00-208-9514 INTERCHANGEABLE
Nut,plain,hexagon
5133-00-227-9665 INTERCHANGEABLE
Drill,twist
6210-00-270-4180 INTERCHANGEABLE
Lens,light
5110-00-507-251239D2451-1 INTERCHANGEABLE
Punch,dimpling
Us Army Aviation and Missile Command
5136-00-580-7364310316 INTERCHANGEABLE
Tap,thread Cutting
Stanley Tools Div of Stanley Works
6105-00-917-6509112123 INTERCHANGEABLE
Motor,direct Current
Linde Material Handling North America Corporation
5945-00-946-4435EA8272R6 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
5950-01-041-678712123 INTERCHANGEABLE
Reactor
L3 Technologies, Inc. Div Communication Systems-West
5310-01-085-356912123 INTERCHANGEABLE
Washer,recessed
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
012123 Network Equipment Technologies Inc (USA)
12123 PRIMARY Network Equipment Technologies Inc (USA)
Related Parts
SUCCESSOR 5998-01-600-7657 Circuit Card Assembly · 004050A
5310-00-208-9514INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5133-00-227-9665INTERCHANGEABLE
DRILL,TWIST
6210-00-270-4180INTERCHANGEABLE
LENS,LIGHT
5110-00-507-2512INTERCHANGEABLE
PUNCH,DIMPLING
39D2451-1
5136-00-580-7364INTERCHANGEABLE
TAP,THREAD CUTTING
310316
6105-00-917-6509INTERCHANGEABLE
MOTOR,DIRECT CURRENT
112123
5945-00-946-4435INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
EA8272R6
5950-01-041-6787INTERCHANGEABLE
REACTOR
12123
5310-01-085-3569INTERCHANGEABLE
WASHER,RECESSED
12123
5905-01-205-1709INTERCHANGEABLE
RESISTOR,FIXED,FILM
2903002-96
4720-01-286-2345INTERCHANGEABLE
HOSE SET,NONMETALLIC
12123

Frequently Asked Questions

What is NSN 5998-01-476-8234?

NSN 5998-01-476-8234 is a Circuit Card Assembly, manufactured by Network Equipment Technologies Inc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-476-8234?

NSN 5998-01-476-8234 has 2 cross-referenced part numbers: 012123 (Network Equipment Technologies Inc), 12123 (Network Equipment Technologies Inc).

What NSN replaces 5998-01-476-8234?

There are 12 known substitutes for 5998-01-476-8234: 5998-01-600-7657, 5310-00-208-9514, 5133-00-227-9665 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12123?

Key specifications for 12123: Special Features: SUPPORT INDUSTRY STANDARD MODEMS UP TO 4.8 KBPS USING 32 KBPS ADPCM; End Item Identification: PROMINA 800 MAINFRAME; Part Name Assigned by Controlling Agency: VOICE COMPRESSION MODULE VC31; Special Features: SUPPORT INDUSTRY STANDARD MODEMS UP TO 4.8 KBPS USING 32 KBPS ADPCM. 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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