PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GPT3ATest Set,electrical Power

Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc · NSN 6625-00-621-3539 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-621-3539 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-621-3539. Primary manufacturer part number: GPT3A.
Features
  • Test Set,electrical Power — FSC 6625
  • Width: 22.500 INCHES NOMINAL IN
  • Enclosure Feature: SINGLE ITEM W/HOUSING
  • Height: 26.500 INCHES NOMINAL IN
  • Test Type for Which Designed: ALTERNATORS
  • Electrical Power Source Relationship: SELF-CONTAINED
  • Depth: 36.500 INCHES NOMINAL IN
  • Width: 22.500 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Test Set,electrical Power, cataloged under National Stock Number 6625-00-621-3539, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-621-3539
Primary Part NumberGPT3A
Item NameTest Set,electrical Power
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
StatusACTIVE
Width22.500 INCHES NOMINAL IN
Enclosure FeatureSINGLE ITEM W/HOUSING
Height26.500 INCHES NOMINAL IN
Test Type for Which DesignedALTERNATORS
Electrical Power Source RelationshipSELF-CONTAINED
Depth36.500 INCHES NOMINAL IN
Width22.500 INCHES NOMINAL IN
Enclosure FeatureSINGLE ITEM W/HOUSING
Height26.500 INCHES NOMINAL IN
Test Type for Which DesignedALTERNATORS
Electrical Power Source RelationshipSELF-CONTAINED
Depth36.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5905-00-243-81194740 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Sensor Systems, L.l.c. Dba Sensor Systems Llc
4710-00-353-90184740 INTERCHANGEABLE
Tube Assembly,metal
Cummins Inc.
6640-00-379-260626070-125 INTERCHANGEABLE
Flask,distilling
Owens-Illinois Inc Laboratory Sales Kimble Div
5220-00-474-9156 INTERCHANGEABLE
Gage Band
5330-00-559-873360206 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
4730-00-591-34050156301-00 INTERCHANGEABLE
Fitting,lubrication
Hyster-Yale Group, Inc. Dba Yale Materials Handling
5340-01-175-6792 INTERCHANGEABLE
Hasp,hinged
Cross-Reference Index
Part NumberManufacturer
GPT3A PRIMARY Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
4-740 PRIMARY Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
Related Parts
5905-00-243-8119INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
4740
4710-00-353-9018INTERCHANGEABLE
TUBE ASSEMBLY,METAL
4740
6640-00-379-2606INTERCHANGEABLE
FLASK,DISTILLING
26070-125
5220-00-474-9156INTERCHANGEABLE
GAGE BAND
5330-00-559-8733INTERCHANGEABLE
SEAL,PLAIN ENCASED
60206
4730-00-591-3405INTERCHANGEABLE
FITTING,LUBRICATION
0156301-00
5340-01-175-6792INTERCHANGEABLE
HASP,HINGED

Frequently Asked Questions

What is NSN 6625-00-621-3539?

NSN 6625-00-621-3539 is a Test Set,electrical Power, manufactured by Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-621-3539?

NSN 6625-00-621-3539 has 2 cross-referenced part numbers: GPT3A (Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc), 4-740 (Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc).

What NSN replaces 6625-00-621-3539?

There are 7 known substitutes for 6625-00-621-3539: 5905-00-243-8119, 4710-00-353-9018, 6640-00-379-2606 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GPT3A?

Key specifications for GPT3A: Width: 22.500 INCHES NOMINAL IN; Enclosure Feature: SINGLE ITEM W/HOUSING; Height: 26.500 INCHES NOMINAL IN; Test Type for Which Designed: ALTERNATORS. 12 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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