PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4423Indicator,counting

Emcore Corporation Div Concord Division · NSN 6610-00-420-6789 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-00-420-6789 — this item is cataloged by the U.S. Government under National Stock Number 6610-00-420-6789. Primary manufacturer part number: 4423.
Features
  • Indicator,counting — FSC 6610
  • Nondefinitive Spec/std Data: AS MFR BY SYSTRON-DONNER CORP. PART NO. 4423
  • 2 verified cross-references
  • Primary manufacturer: Emcore Corporation Div Concord Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,counting, cataloged under National Stock Number 6610-00-420-6789, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Emcore Corporation Div Concord Division. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN6610-00-420-6789
Primary Part Number4423
Item NameIndicator,counting
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerEmcore Corporation Div Concord Division
StatusACTIVE
Nondefinitive Spec/std DataAS MFR BY SYSTRON-DONNER CORP. PART NO. 4423
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-082-74102651-335 INTERCHANGEABLE
Resistor,fixed,wire Wound
Reliance Comm/tec Corp Lorain Products Div
5120-00-133-0618 INTERCHANGEABLE
Die,crimping Tool
5905-00-258-01016104-3227492REVAPC51 INTERCHANGEABLE
Resistor,adjustable
Naval Ship Systems Command
5306-00-276-84694423A INTERCHANGEABLE
Bolt,machine
Brinkley Technology Group Llc Dba Hercules Manufacturing
9540-00-596-3017 INTERCHANGEABLE
Angle,structural
5120-00-659-8984MDE200099-1 INTERCHANGEABLE
Extractor,screw
The Boeing Company Div Defense
6610-00-732-0037 INTERCHANGEABLE
Indicator,counting
4730-00-801-9026 INTERCHANGEABLE
Trap,steam
5962-01-079-92324423 INTERCHANGEABLE
Microcircuit,linear
Burr-Brown Corp
6625-01-184-15599211-2663 INTERCHANGEABLE
Case,test Set
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
4423 Emcore Corporation Div Concord Division (USA)
MS25448-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5905-00-082-7410INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2651-335
5120-00-133-0618INTERCHANGEABLE
DIE,CRIMPING TOOL
5905-00-258-0101INTERCHANGEABLE
RESISTOR,ADJUSTABLE
6104-3227492REVAPC51
5306-00-276-8469INTERCHANGEABLE
BOLT,MACHINE
4423A
9540-00-596-3017INTERCHANGEABLE
ANGLE,STRUCTURAL
5120-00-659-8984INTERCHANGEABLE
EXTRACTOR,SCREW
MDE200099-1
6610-00-732-0037INTERCHANGEABLE
INDICATOR,COUNTING
4730-00-801-9026INTERCHANGEABLE
TRAP,STEAM
5962-01-079-9232INTERCHANGEABLE
MICROCIRCUIT,LINEAR
4423
6625-01-184-1559INTERCHANGEABLE
CASE,TEST SET
9211-2663
5962-01-191-1336INTERCHANGEABLE
MICROCIRCUIT,LINEAR
4423
5305-01-231-5906INTERCHANGEABLE
SCREW,SHOULDER
4423

Frequently Asked Questions

What is NSN 6610-00-420-6789?

NSN 6610-00-420-6789 is a Indicator,counting, manufactured by Emcore Corporation Div Concord Division, classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-00-420-6789?

NSN 6610-00-420-6789 has 2 cross-referenced part numbers: 4423 (Emcore Corporation Div Concord Division), MS25448-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6610-00-420-6789?

There are 12 known substitutes for 6610-00-420-6789: 5905-00-082-7410, 5120-00-133-0618, 5905-00-258-0101 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4423?

Key specifications for 4423: Nondefinitive Spec/std Data: AS MFR BY SYSTRON-DONNER CORP. PART NO. 4423. 1 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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