PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R341B 8-20 VPCVoltmeter

Bartlett Instrument Co · NSN 6625-00-062-9491 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-062-9491 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-062-9491. Primary manufacturer part number: R341B 8-20 VPC.
Features
  • Voltmeter — FSC 6625
  • Mounting Hole Diameter: 0.150 INCHES NOMINAL IN
  • Scale Selection Method: TERMINAL
  • Scale Graduation Type: LINEAR SINGLE INDICATOR ALL RANGES
  • Power Source: EXTERNAL
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Features Provided: EXTERNAL SHUNTING AND MAGNETIC SHIELD AND ZERO ADJUSTER
  • Pointer Color: BLACK SINGLE INDICATOR ALL RANGES
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-062-9491, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bartlett Instrument Co. Government technical data includes 28 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-062-9491
Primary Part NumberR341B 8-20 VPC
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerBartlett Instrument Co
StatusACTIVE
Mounting Hole Diameter0.150 INCHES NOMINAL IN
Scale Selection MethodTERMINAL
Scale Graduation TypeLINEAR SINGLE INDICATOR ALL RANGES
Power SourceEXTERNAL
Circuit Attachment Method and Quantity2 THREADED STUD
Features ProvidedEXTERNAL SHUNTING AND MAGNETIC SHIELD AND ZERO ADJUSTER
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Measurement Range+0.0 TO 8.0 VOLTS SINGLE INDICATOR FIRST RANGE
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Measurement Range+0.0 TO 20.0 VOLTS SINGLE INDICATOR SECOND RANGE
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Circuit Current for Which DesignedDC
Scale Division Quantity4 SINGLE INDICATOR ALL RANGES
Indicator TypeDIAL W/POINTER
Meter Body Diameter Behind Mounting Flange2.750 INCHES NOMINAL IN
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Sensitivity Rating1.0 MILLIAMPERES
Furnished Items and QuantitySHUNT 2; NUT 12; WASHER 18
Meter Depth Behind Mounting Flange1.375 INCHES NOMINAL IN
Nuclear Hardness Critical FeatureNONHARDENED
Installation DesignPANEL
Special MarkingsVOLTS PER CELL; 0 TO 8 V SCALE: RED BAND MARKED DISCHARGE FROM 0 TO 2,GREEN BAND MARKED NORMAL CHARGING FROM 4 TO 8; 0 TO 20 V SCALE: GREEN BAND MARKED EDISON CHARGING FROM 0 TO 10,RED BAND MARKED DANGER FROM 10 TO 20 V
Overall Diameter3.500 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
MaterialPLASTIC
Style DesignatorROUND FLUSH MTG
ColorUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeXN
Weight0.7300 lbs
Cube0.0213 cu ft
Verified Substitutes 6
3120-00-448-672633820 INTERCHANGEABLE
Bearing,sleeve
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5310-01-214-49463011436 INTERCHANGEABLE
Washer,flat
Relli Technology, Inc Dba Relli Technology Inc
6550-01-514-912333820 INTERCHANGEABLE
Test Kit,thyroid Stimulating Hor
Beckman Coulter Inc Div Us Customer Operations
6515-01-569-8024338.20 INTERCHANGEABLE
Coupling,screw Bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
6230-01-626-413533820 INTERCHANGEABLE
Flashlight
Streamlight Inc Dba Streamlight Inc
5340-01-664-501733820 INTERCHANGEABLE
Plunger,detent
Northwestern Tools, Inc.
Cross-Reference Index
Part NumberManufacturer
R341B 8-20 VPC Bartlett Instrument Co (USA)
3-3-8-20 Bartlett Instrument Co (USA)
Related Parts
3120-00-448-6726INTERCHANGEABLE
BEARING,SLEEVE
33820
5310-01-214-4946INTERCHANGEABLE
WASHER,FLAT
3011436
6550-01-514-9123INTERCHANGEABLE
TEST KIT,THYROID STIMULATING HOR
33820
6515-01-569-8024INTERCHANGEABLE
COUPLING,SCREW BONE
338.20
6230-01-626-4135INTERCHANGEABLE
FLASHLIGHT
33820
5340-01-664-5017INTERCHANGEABLE
PLUNGER,DETENT
33820

Frequently Asked Questions

What is NSN 6625-00-062-9491?

NSN 6625-00-062-9491 is a Voltmeter, manufactured by Bartlett Instrument Co, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-062-9491?

NSN 6625-00-062-9491 has 2 cross-referenced part numbers: R341B 8-20 VPC (Bartlett Instrument Co), 3-3-8-20 (Bartlett Instrument Co).

What NSN replaces 6625-00-062-9491?

There are 6 known substitutes for 6625-00-062-9491: 3120-00-448-6726, 5310-01-214-4946, 6550-01-514-9123 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R341B 8-20 VPC?

Key specifications for R341B 8-20 VPC: Mounting Hole Diameter: 0.150 INCHES NOMINAL IN; Overall Length: 2.500 INCHES NOMINAL IN; Scale Selection Method: TERMINAL; Scale Graduation Type: LINEAR SINGLE INDICATOR ALL RANGES. 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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