PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

301CVoltmeter

Millivac Instruments, Inc · NSN 6625-00-074-2750 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-074-2750 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-074-2750. Primary manufacturer part number: 301C.
Features
  • Voltmeter — FSC 6625
  • Frequency Rating: 60.000 HERTZ NOMINAL
  • Mounting Facility Type and Quantity: 4 THREADED STUD(S)
  • Phase: SINGLE
  • Operating Voltage Rating in Volts: 115.0 AC NOMINAL
  • Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE
  • Power Source: EXTERNAL
  • Installation Design: PANEL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-074-2750, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Millivac Instruments, Inc. Government technical data includes 22 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-074-2750
Primary Part Number301C
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerMillivac Instruments, Inc
StatusACTIVE
Frequency Rating60.000 HERTZ NOMINAL
Mounting Facility Type and Quantity4 THREADED STUD(S)
PhaseSINGLE
Operating Voltage Rating in Volts115.0 AC NOMINAL
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Power SourceEXTERNAL
Installation DesignPANEL
Sensitivity Rating50.0 MICROAMPERES
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Mounting Stud Diameter0.138 INCHES NOMINAL IN
Movement Suspension MethodJEWEL PIVOT BASE
Frequency Rating60.000 HERTZ NOMINAL
Mounting Facility Type and Quantity4 THREADED STUD(S)
PhaseSINGLE
Operating Voltage Rating in Volts115.0 AC NOMINAL
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Power SourceEXTERNAL
Installation DesignPANEL
Sensitivity Rating50.0 MICROAMPERES
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Mounting Stud Diameter0.138 INCHES NOMINAL IN
Movement Suspension MethodJEWEL PIVOT BASE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-01-419-2169 (301C)
HAZMATNo
Verified Substitutes 5
6625-01-419-2169301C SUCCESSOR
Control,indicator
Davtron
6525-00-386-992021608 INTERCHANGEABLE
Clip,film
Wolf X-Ray, Corporation
6130-00-577-81902900-199216 INTERCHANGEABLE
Power Supply
Fluke Corp
5331-01-015-6658 INTERCHANGEABLE
O-Ring
6130-01-382-2293 INTERCHANGEABLE
Control,power Supply
Cross-Reference Index
Part NumberManufacturer
301C Millivac Instruments, Inc (USA)
Related Parts
SUCCESSOR 6625-01-419-2169 Control,indicator · 301C
6525-00-386-9920INTERCHANGEABLE
CLIP,FILM
21608
6130-00-577-8190INTERCHANGEABLE
POWER SUPPLY
2900-199216
5331-01-015-6658INTERCHANGEABLE
O-RING
6130-01-382-2293INTERCHANGEABLE
CONTROL,POWER SUPPLY

Frequently Asked Questions

What is NSN 6625-00-074-2750?

NSN 6625-00-074-2750 is a Voltmeter, manufactured by Millivac Instruments, Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-074-2750?

NSN 6625-00-074-2750 has 1 cross-referenced part number: 301C (Millivac Instruments, Inc).

What NSN replaces 6625-00-074-2750?

There are 5 known substitutes for 6625-00-074-2750: 6625-01-419-2169, 6525-00-386-9920, 6130-00-577-8190 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 301C?

Key specifications for 301C: Overall Width: 8.180 INCHES NOMINAL IN; Frequency Rating: 60.000 HERTZ NOMINAL; Mounting Facility Type and Quantity: 4 THREADED STUD(S); Phase: SINGLE. 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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