PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

310-1Voltmeter

Custom Metering Company Inc · NSN 6625-00-935-1423 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-935-1423 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-935-1423. Primary manufacturer part number: 310-1.
Features
  • Voltmeter — FSC 6625
  • Accuracy in Percent: -0.5 TO 0.5 AT FULL SCALE SINGLE INDICATOR ALL RANGES
  • Scale Division Quantity: 12 SINGLE INDICATOR SINGLE RANGE
  • Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE
  • Mounting Stud Diameter: 0.138 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 4 THREADED STUD(S)
  • Material: PLASTIC
  • Frequency Rating: 60.000 HERTZ NOMINAL
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-935-1423, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN6625-00-935-1423
Primary Part Number310-1
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerCustom Metering Company Inc
StatusACTIVE
Accuracy in Percent-0.5 TO 0.5 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Scale Division Quantity12 SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Mounting Stud Diameter0.138 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 THREADED STUD(S)
MaterialPLASTIC
Frequency Rating60.000 HERTZ NOMINAL
Operating Voltage Rating in Volts105.0 AC MINIMUM AND 125.0 AC MAXIMUM
Center to Center Distance Between Mounting Facilities Parallel to Length5.250 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width3.000 INCHES NOMINAL IN
PhaseSINGLE
Accuracy in Percent-0.5 TO 0.5 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Scale Division Quantity12 SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Mounting Stud Diameter0.138 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 THREADED STUD(S)
MaterialPLASTIC
Frequency Rating60.000 HERTZ NOMINAL
Operating Voltage Rating in Volts105.0 AC MINIMUM AND 125.0 AC MAXIMUM
Center to Center Distance Between Mounting Facilities Parallel to Length5.250 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width3.000 INCHES NOMINAL IN
PhaseSINGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5999-00-151-4043 (310-1)
HAZMATNo
Verified Substitutes 3
5999-00-151-4043310-1 SUCCESSOR
Clip,electrical
Birnbach Co Inc
Wattmeter
6625-00-814-023731-013497 SUCCESSOR
Ammeter
Phaostron Instrument and Electronic Company
Cross-Reference Index
Part NumberManufacturer
310-1 PRIMARY Custom Metering Company Inc (USA)
310-1 Trio Laboratories Inc (USA)
310-1 Metermaster Inc Metermod Div (USA)
ME335U Joint Electronics Type Designation System (USA)
Related Parts
SUCCESSOR 5999-00-151-4043 Clip,electrical · 310-1
6625-00-242-5161SUCCESSOR
WATTMETER
6625-00-814-0237SUCCESSOR
AMMETER
31-013497

Frequently Asked Questions

What is NSN 6625-00-935-1423?

NSN 6625-00-935-1423 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 6625-00-935-1423?

NSN 6625-00-935-1423 has 4 cross-referenced part numbers: 310-1 (Custom Metering Company Inc), 310-1 (Trio Laboratories Inc), 310-1 (Metermaster Inc Metermod Div), ME335U (Joint Electronics Type Designation System).

What NSN replaces 6625-00-935-1423?

There are 3 known substitutes for 6625-00-935-1423: 5999-00-151-4043, 6625-00-242-5161, 6625-00-814-0237. Verify interchangeability with system specifications before substitution.

What are the specifications of 310-1?

Key specifications for 310-1: Accuracy in Percent: -0.5 TO 0.5 AT FULL SCALE SINGLE INDICATOR ALL RANGES; Scale Division Quantity: 12 SINGLE INDICATOR SINGLE RANGE; Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE; Mounting Stud Diameter: 0.138 INCHES NOMINAL IN. 22 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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