PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4000601Electronic Components Assembly

Research & Development Laboratories · NSN 5998-01-421-2265 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-421-2265 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-421-2265. Primary manufacturer part number: 4000601.
Features
  • Electronic Components Assembly — FSC 5998
  • 3 verified cross-references
  • Primary manufacturer: Research & Development Laboratories
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Electronic Components Assembly, cataloged under National Stock Number 5998-01-421-2265, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Research & Development Laboratories. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-421-2265
Primary Part Number4000601
Item NameElectronic Components Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerResearch & Development Laboratories
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5999-00-177-1700 (123001)
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeJH
Weight1.0000 lbs
Cube0.0185 cu ft
Verified Substitutes 10
5999-00-177-1700123001 SUCCESSOR
Clip,electrical
Littelfuse, Inc.
5950-00-059-3060SM-C-450409 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6750-00-427-2779 INTERCHANGEABLE
Stabilizer,photographic
5905-00-843-92934430 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5825-01-033-1276803062-2 INTERCHANGEABLE
Protector
Raytheon Company Dba Raytheon
5985-01-035-1443328-11005-8 INTERCHANGEABLE
Switch,radio Frequency Transmiss
U S Dept of Transportation Federal Aviation Administration
6210-01-141-0541123001 INTERCHANGEABLE
Light,indicator
American Dryer Corp
2990-01-497-60974000601 INTERCHANGEABLE
Connector,exhaust Lft
Cummins Inc.
4820-01-561-6176123001 INTERCHANGEABLE
Seat,valve
Dh Instruments Inc.
5340-01-569-087912-3001 INTERCHANGEABLE
Spring,retaining
Bloom Manufacturing, Llc Dba Bloom Inc
Cross-Reference Index
Part NumberManufacturer
4000601 Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific (USA)
4000601 PRIMARY Research & Development Laboratories (USA)
123001 Harris Corporation Dba Exelis (USA)
Related Parts
SUCCESSOR 5999-00-177-1700 Clip,electrical · 123001
5950-00-059-3060INTERCHANGEABLE
TRANSFORMER,POWER
SM-C-450409
6750-00-427-2779INTERCHANGEABLE
STABILIZER,PHOTOGRAPHIC
5905-00-843-9293INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4430
5825-01-033-1276INTERCHANGEABLE
PROTECTOR
803062-2
5985-01-035-1443INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
328-11005-8
6210-01-141-0541INTERCHANGEABLE
LIGHT,INDICATOR
123001
2990-01-497-6097INTERCHANGEABLE
CONNECTOR,EXHAUST LFT
4000601
4820-01-561-6176INTERCHANGEABLE
SEAT,VALVE
123001
5340-01-569-0879INTERCHANGEABLE
SPRING,RETAINING
12-3001

Frequently Asked Questions

What is NSN 5998-01-421-2265?

NSN 5998-01-421-2265 is a Electronic Components Assembly, manufactured by Research & Development Laboratories, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-421-2265?

NSN 5998-01-421-2265 has 3 cross-referenced part numbers: 4000601 (Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific), 4000601 (Research & Development Laboratories), 123001 (Harris Corporation Dba Exelis).

What NSN replaces 5998-01-421-2265?

There are 10 known substitutes for 5998-01-421-2265: 5999-00-177-1700, 5950-00-059-3060, 6750-00-427-2779 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4000601?

Key specifications for 4000601: End Item Identification: FREQUENCY SYNTHESIZER; End Item Identification: FREQUENCY SYNTHESIZER. 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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