PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1522Voltmeter

Custom Metering Company Inc · NSN 6625-00-539-8475 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-539-8475 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-539-8475. Primary manufacturer part number: 1522.
Features
  • Voltmeter — FSC 6625
  • Meter Depth Behind Mounting Flange: 1.405 INCHES NOMINAL IN
  • Style Designator: ROUND FLUSH MTG
  • Accuracy in Percent: -3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
  • Meter Body Diameter Behind Mounting Flange: 2.210 INCHES NOMINAL IN
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Circuit Attachment Method and Quantity: 2 SOLDER STUD
  • Features Provided: MAGNETIC SHIELD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-539-8475, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Custom Metering Company Inc. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-539-8475
Primary Part Number1522
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerCustom Metering Company Inc
StatusACTIVE
Meter Depth Behind Mounting Flange1.405 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Meter Body Diameter Behind Mounting Flange2.210 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 SOLDER STUD
Features ProvidedMAGNETIC SHIELD
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Installation DesignPANEL
ColorUNABLE TO DECODE
Overall Diameter2.750 INCHES NOMINAL IN
Mounting Hole Diameter0.112 INCHES NOMINAL IN
Circuit Current for Which DesignedAC
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Sensitivity Rating1000.0 OHMS PER VOLT
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Meter Depth Behind Mounting Flange1.405 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Meter Body Diameter Behind Mounting Flange2.210 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 SOLDER STUD
Features ProvidedMAGNETIC SHIELD
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Installation DesignPANEL
ColorUNABLE TO DECODE
Overall Diameter2.750 INCHES NOMINAL IN
Mounting Hole Diameter0.112 INCHES NOMINAL IN
Circuit Current for Which DesignedAC
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-237-8457 (C512000088)
HAZMATNo
Verified Substitutes 8
Ammeter
6625-00-237-8457C512000088 SUCCESSOR
Ammeter
Kearfott Corporation Div Guidance and Navigation Division
Voltmeter
6625-00-710-576816-4059 SUCCESSOR
Meter,audio Level
Jewell Instruments Llc
6625-00-778-87949139038 SUCCESSOR
Voltmeter
Us Army Aviation and Missile Command
6625-01-057-18161522-06710 SUCCESSOR
Ammeter
Simpson Electric Company, Inc.
6625-01-132-46061120-0692 SUCCESSOR
Meter,arbitrary Scale
Keysight Technologies Inc
Voltmeter
Cross-Reference Index
Part NumberManufacturer
1522 Custom Metering Company Inc (USA)
1522 Metermaster Inc Metermod Div (USA)
Related Parts
SUCCESSOR 6625-00-237-8457 Ammeter · C512000088
6625-00-138-6528SUCCESSOR
AMMETER
6625-00-451-7036SUCCESSOR
VOLTMETER
6625-00-710-5768SUCCESSOR
METER,AUDIO LEVEL
16-4059
6625-00-778-8794SUCCESSOR
VOLTMETER
9139038
6625-01-057-1816SUCCESSOR
AMMETER
1522-06710
6625-01-132-4606SUCCESSOR
METER,ARBITRARY SCALE
1120-0692
6625-01-216-2440SUCCESSOR
VOLTMETER

Frequently Asked Questions

What is NSN 6625-00-539-8475?

NSN 6625-00-539-8475 is a Voltmeter, manufactured by Custom Metering Company Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-539-8475?

NSN 6625-00-539-8475 has 2 cross-referenced part numbers: 1522 (Custom Metering Company Inc), 1522 (Metermaster Inc Metermod Div).

What NSN replaces 6625-00-539-8475?

There are 8 known substitutes for 6625-00-539-8475: 6625-00-138-6528, 6625-00-237-8457, 6625-00-451-7036 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1522?

Key specifications for 1522: Meter Depth Behind Mounting Flange: 1.405 INCHES NOMINAL IN; Style Designator: ROUND FLUSH MTG; Accuracy in Percent: -3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES; Meter Body Diameter Behind Mounting Flange: 2.210 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.
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