PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BH819AOhmmeter

Howell Instruments, Inc. Dba Howell Instruments Inc · NSN 6625-00-600-1920 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-600-1920 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-600-1920. Primary manufacturer part number: BH819A.
Features
  • Ohmmeter — FSC 6625
  • Surface Treatment: ENAMEL
  • Supplementary Features: 2000 OHMS COIL RESISTANCE
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Material: STEEL
  • Circuit Current for Which Designed: DC
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Style Designator: ROUND FLUSH MTG
Applications
  • Applications requiring Steel construction
General Description

The Ohmmeter, cataloged under National Stock Number 6625-00-600-1920, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Howell Instruments, Inc. Dba Howell Instruments Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-600-1920
Primary Part NumberBH819A
Item NameOhmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerHowell Instruments, Inc. Dba Howell Instruments Inc
StatusACTIVE
Surface TreatmentENAMEL
Supplementary Features2000 OHMS COIL RESISTANCE
Nuclear Hardness Critical FeatureNONHARDENED
MaterialSTEEL
Circuit Current for Which DesignedDC
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Style DesignatorROUND FLUSH MTG
ColorUNABLE TO DECODE
Features ProvidedZERO ADJUSTER
FSC Application DataTEST SET,ELECT. EQUIP.
Circuit Attachment Method and Quantity2 SOLDER LUG
Special MarkingsSCALE RED FROM 0 TO 100; GREEN FROM 101 TO INFINITY SIGN
Installation DesignPANEL
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Mounting Hole Diameter0.143 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
Meter Body Diameter Behind Mounting Flange2.680 INCHES NOMINAL IN
Power SourceEXTERNAL
Indicator TypeDIAL W/POINTER
Movement Suspension MethodJEWEL PIVOT BASE
Dial Scale Marking ColorBLACK AND GREEN AND RED SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Overall Diameter3.500 INCHES NOMINAL IN
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Dielectric Withstanding Voltage in Volts3000.0
Movement TypeMOVING COIL, PERMANENT MAGNET
Sensitivity Rating50.0 MICROAMPERES
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 4
Ammeter
Contact,electrical
5999-00-265-6541365 SUCCESSOR
Clip,electrical
Lucent Technologies Inc Corporate Headquarters
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
M-2168 Metermaster Inc Miscorp Div (USA)
3R1473 American Instrument Corp (USA)
365 Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA)
36.1939 Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA)
BH819A PRIMARY Howell Instruments, Inc. Dba Howell Instruments Inc (USA)
3R1473 Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
M-2168 Custom Metering Company Inc (USA)
Related Parts
6625-00-668-9246SUCCESSOR
AMMETER
5999-00-035-8721SUCCESSOR
CONTACT,ELECTRICAL
5999-00-265-6541SUCCESSOR
CLIP,ELECTRICAL
365
5998-00-350-1454SUCCESSOR
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 6625-00-600-1920?

NSN 6625-00-600-1920 is a Ohmmeter, manufactured by Howell Instruments, Inc. Dba Howell Instruments Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-600-1920?

NSN 6625-00-600-1920 has 7 cross-referenced part numbers: M-2168 (Metermaster Inc Miscorp Div), 3R1473 (American Instrument Corp), 365 (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging), 36.1939 (Ideal Precision Meter Co Dba Ideal Precision Meter Co), BH819A (Howell Instruments, Inc. Dba Howell Instruments Inc) and 2 more.

What NSN replaces 6625-00-600-1920?

There are 4 known substitutes for 6625-00-600-1920: 6625-00-668-9246, 5999-00-035-8721, 5999-00-265-6541 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BH819A?

Key specifications for BH819A: Surface Treatment: ENAMEL; Supplementary Features: 2000 OHMS COIL RESISTANCE; Nuclear Hardness Critical Feature: NONHARDENED; Overall Length: 2.315 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com