PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

501Voltmeter

Cal-Tronics Corp · NSN 6625-00-555-2315 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-555-2315 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-555-2315. Primary manufacturer part number: 501.
Features
  • Voltmeter — FSC 6625
  • Accuracy in Percent: -0.1 TO 0.1 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Circuit Attachment Method and Quantity: 3 BINDING POST
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Style Designator: RECTANGULAR OR SQUARE
  • Material: PLASTIC
  • Features Provided: ZERO ADJUSTER
  • Circuit Current for Which Designed: DC
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-555-2315, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Cal-Tronics Corp. Government technical data includes 18 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-555-2315
Primary Part Number501
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerCal-Tronics Corp
StatusACTIVE
Accuracy in Percent-0.1 TO 0.1 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity3 BINDING POST
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Style DesignatorRECTANGULAR OR SQUARE
MaterialPLASTIC
Features ProvidedZERO ADJUSTER
Circuit Current for Which DesignedDC
ColorUNABLE TO DECODE
Measurement Range+1.1 TO 500.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-0.1 TO 0.1 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity3 BINDING POST
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Style DesignatorRECTANGULAR OR SQUARE
MaterialPLASTIC
Features ProvidedZERO ADJUSTER
Circuit Current for Which DesignedDC
ColorUNABLE TO DECODE
Measurement Range+1.1 TO 500.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-643-2640 (M-1929A)
HAZMATNo
Verified Substitutes 7
6625-00-643-2640M-1929A SUCCESSOR
Ammeter
Custom Metering Company Inc
6625-01-010-4290501 SUCCESSOR
Window-Meter
Q V S Inc
6625-01-024-7721501 SUCCESSOR
Tester,calibrator
Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution
6625-01-032-0223501 SUCCESSOR
Meter,special Scale
Anritsu Company
6625-01-045-6125501 SUCCESSOR
Test Set,insulation Breakdown
Simpson Electric Company, Inc.
6625-01-373-6738501 SUCCESSOR
Drawer Extension,sp
Keytek Instrument Corp
6625-00-982-3926 INTERCHANGEABLE
Ohmmeter
Cross-Reference Index
Part NumberManufacturer
501 Cal-Tronics Corp (USA)
Related Parts
SUCCESSOR 6625-00-643-2640 Ammeter · M-1929A
6625-01-010-4290SUCCESSOR
WINDOW-METER
501
6625-01-024-7721SUCCESSOR
TESTER,CALIBRATOR
501
6625-01-032-0223SUCCESSOR
METER,SPECIAL SCALE
501
6625-01-045-6125SUCCESSOR
TEST SET,INSULATION BREAKDOWN
501
6625-01-373-6738SUCCESSOR
DRAWER EXTENSION,SP
501
6625-00-982-3926INTERCHANGEABLE
OHMMETER

Frequently Asked Questions

What is NSN 6625-00-555-2315?

NSN 6625-00-555-2315 is a Voltmeter, manufactured by Cal-Tronics Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-555-2315?

NSN 6625-00-555-2315 has 1 cross-referenced part number: 501 (Cal-Tronics Corp).

What NSN replaces 6625-00-555-2315?

There are 7 known substitutes for 6625-00-555-2315: 6625-00-643-2640, 6625-01-010-4290, 6625-01-024-7721 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 501?

Key specifications for 501: Accuracy in Percent: -0.1 TO 0.1 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE; Circuit Attachment Method and Quantity: 3 BINDING POST; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Style Designator: RECTANGULAR OR SQUARE. 24 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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