PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

320AVoltmeter

Western Reserve Electronics Inc · NSN 6625-00-088-6672 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-088-6672 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-088-6672. Primary manufacturer part number: 320A.
Features
  • Voltmeter — FSC 6625
  • Supplementary Features: AC AND DC VOLTMETER WITH DIGITAL OR SEARCH; THUMBWHEEL SWITCHES SET DESIRED READING AND DEVIATION IS MEASURED FROM CENTER MIRRORED SCALE; 6.25LBS LBS
  • Scale Selection Method: SWITCH
  • Display Digit Quantity: 3
  • Style Designator: PORTABLE
  • Accuracy in Percent: -3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Measurement Range: +0.0 TO 1000.0 VOLTS SINGLE INDICATOR SINGLE RANGE
  • Installation Design: BENCH OR HANDHELD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-088-6672, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Western Reserve Electronics Inc. Government technical data includes 25 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-088-6672
Primary Part Number320A
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerWestern Reserve Electronics Inc
StatusACTIVE
Supplementary FeaturesAC AND DC VOLTMETER WITH DIGITAL OR SEARCH; THUMBWHEEL SWITCHES SET DESIRED READING AND DEVIATION IS MEASURED FROM CENTER MIRRORED SCALE; 6.25LBS LBS
Scale Selection MethodSWITCH
Display Digit Quantity3
Style DesignatorPORTABLE
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 1000.0 VOLTS SINGLE INDICATOR SINGLE RANGE
Installation DesignBENCH OR HANDHELD
Reference Data and LiteratureTO 33A1-12-391-21
Circuit Attachment Method and Quantity2 BANANA PLUG AND 2 CLIP AND 1 PROBE, DIRECT CONTACT
Furnished Items and Quantity6IN PROBE, RED AND BLACK ALLIGATOR CLIPS IN
Power SourceINTERNAL
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Indicator TypeDIAL W/POINTER
FSC Application DataUSED TO SUPPORT THE F106 ACFT
Supplementary FeaturesAC AND DC VOLTMETER WITH DIGITAL OR SEARCH; THUMBWHEEL SWITCHES SET DESIRED READING AND DEVIATION IS MEASURED FROM CENTER MIRRORED SCALE; 6.25LBS LBS
Scale Selection MethodSWITCH
Display Digit Quantity3
Style DesignatorPORTABLE
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 1000.0 VOLTS SINGLE INDICATOR SINGLE RANGE
Installation DesignBENCH OR HANDHELD
Reference Data and LiteratureTO 33A1-12-391-21
Circuit Attachment Method and Quantity2 BANANA PLUG AND 2 CLIP AND 1 PROBE, DIRECT CONTACT
Furnished Items and Quantity6IN PROBE, RED AND BLACK ALLIGATOR CLIPS IN
Power SourceINTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-726-6949 (320A)
HAZMATNo
Verified Substitutes 9
6625-00-726-6949320A SUCCESSOR
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6240-00-155-7818 INTERCHANGEABLE
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4030-00-959-1072L-320AN 1022424 INTERCHANGEABLE
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The Crosby Group Llc Dba the Crosby Group
4030-01-033-28251022386 INTERCHANGEABLE
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Cross-Reference Index
Part NumberManufacturer
320A Western Reserve Electronics Inc (USA)
Related Parts
SUCCESSOR 6625-00-726-6949 Voltmeter · 320A
6240-00-155-7818INTERCHANGEABLE
LAMP,INCANDESCENT
4710-00-162-3418INTERCHANGEABLE
TUBE ASSEMBLY,METAL
3-20A C
4931-00-239-5713INTERCHANGEABLE
TERMINATION,SLIDING
7923205-2
4030-00-264-7901INTERCHANGEABLE
HOOK,HOIST
320AN
5120-00-595-8389INTERCHANGEABLE
JACK,REEL,HAND
524MCR
5950-00-758-0956INTERCHANGEABLE
TRANSFORMER,POWER
1885022
4030-00-959-1072INTERCHANGEABLE
HOOK,HOIST
L-320AN 1022424
4030-01-033-2825INTERCHANGEABLE
HOOK,HOIST
1022386

Frequently Asked Questions

What is NSN 6625-00-088-6672?

NSN 6625-00-088-6672 is a Voltmeter, manufactured by Western Reserve Electronics Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-088-6672?

NSN 6625-00-088-6672 has 1 cross-referenced part number: 320A (Western Reserve Electronics Inc).

What NSN replaces 6625-00-088-6672?

There are 9 known substitutes for 6625-00-088-6672: 6625-00-726-6949, 6240-00-155-7818, 4710-00-162-3418 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 320A?

Key specifications for 320A: Overall Width: 10.000 INCHES NOMINAL IN; Supplementary Features: AC AND DC VOLTMETER WITH DIGITAL OR SEARCH; THUMBWHEEL SWITCHES SET DESIRED READING AND DEVIATION IS MEASURED FROM CENTER MIRRORED SCALE; 6.25LBS LBS; Scale Selection Method: SWITCH; Display Digit Quantity: 3. 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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