PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

323-20Multimeter

Ballantine Laboratories Inc · NSN 6625-00-389-7399 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-389-7399 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-389-7399. Primary manufacturer part number: 323-20.
Features
  • Multimeter — FSC 6625
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Pointer Color: BLACK SINGLE INDICATOR ALL RANGES
  • Material: STEEL
  • Special Test Features: COMPLIES WITH MIL-M-10304
  • Dielectric Withstanding Voltage in Volts: 1500.0
  • Style Designator: RECTANGULAR OR SQUARE
  • Scale Selection Method: SWITCH
Applications
  • Applications requiring Steel construction
General Description

The Multimeter, cataloged under National Stock Number 6625-00-389-7399, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ballantine Laboratories Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN6625-00-389-7399
Primary Part Number323-20
Item NameMultimeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerBallantine Laboratories Inc
StatusACTIVE
FSC Application DataTEST SET,ELECT. EQUIP.
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
MaterialSTEEL
Special Test FeaturesCOMPLIES WITH MIL-M-10304
Dielectric Withstanding Voltage in Volts1500.0
Style DesignatorRECTANGULAR OR SQUARE
Scale Selection MethodSWITCH
Movement Suspension MethodJEWEL PIVOT BASE
Measurement Range+0.0 TO 3.0 DECIBELS SINGLE INDICATOR FIRST RANGE
Special MarkingsAROUND MODE,BATT CHG; NULL METER; OFF; AROUD RANGE SWITCH,1 V -10; 3 V 0; 10 V +10; 30 V +20; 100 V +30; 300 V +40; 1 MV -70; 3 MV -60; 10 MV -50; 30 MV -40; 100 MV -30; 300 MV -20; RC TIME CONSTANT V
Nuclear Hardness Critical FeatureNONHARDENED
ColorUNABLE TO DECODE
Circuit Attachment Method and Quantity3 RECEPTACLE, COAXIAL
Furnished Items and QuantityFOOT PAD 4; TILTING BAIL 1; POWER CORD 1; STRAP 1
Environmental ProtectionAIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Installation DesignBENCH
Scale Graduation TypeLINEAR SINGLE INDICATOR SECOND RANGE
Indicator TypeDIAL W/POINTER
Sensitivity Rating300.0 VOLTS
Power SourceEXTERNAL
Scale Division Quantity34 SINGLE INDICATOR SECOND RANGE
Measurement Range+0.0 TO 10.0 VOLTS, AC SINGLE INDICATOR THIRD RANGE
Measurement Range+0.0 TO 10.0 DECIBELS SINGLE INDICATOR SECOND RANGE
Scale Graduation TypeLINEAR SINGLE INDICATOR THIRD RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Accuracy in Percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
Scale Division Quantity50 SINGLE INDICATOR THIRD RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Weight8.0000 lbs
Cube0.2778 cu ft
Verified Substitutes 3
5915-00-068-7413 INTERCHANGEABLE
Filter,low Pass
2910-00-214-31269-9585A INTERCHANGEABLE
Valve
Cummins Power Generation Inc.
5970-01-217-0946M23053/4-103-9 INTERCHANGEABLE
Insulation Sleeving,electrical
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
323-20 PRIMARY Ballantine Laboratories Inc (USA)
Related Parts
5915-00-068-7413INTERCHANGEABLE
FILTER,LOW PASS
2910-00-214-3126INTERCHANGEABLE
VALVE
9-9585A
5970-01-217-0946INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
M23053/4-103-9

Frequently Asked Questions

What is NSN 6625-00-389-7399?

NSN 6625-00-389-7399 is a Multimeter, manufactured by Ballantine Laboratories Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-389-7399?

NSN 6625-00-389-7399 has 1 cross-referenced part number: 323-20 (Ballantine Laboratories Inc).

What NSN replaces 6625-00-389-7399?

There are 3 known substitutes for 6625-00-389-7399: 5915-00-068-7413, 2910-00-214-3126, 5970-01-217-0946. Verify interchangeability with system specifications before substitution.

What are the specifications of 323-20?

Key specifications for 323-20: FSC Application Data: TEST SET,ELECT. EQUIP.; Pointer Color: BLACK SINGLE INDICATOR ALL RANGES; Material: STEEL; Special Test Features: COMPLIES WITH MIL-M-10304. 30 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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