PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

621Voltmeter

Phaostron Instrument and Electronic Company · NSN 6625-01-100-0829 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-100-0829 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-100-0829. Primary manufacturer part number: 621.
Features
  • Voltmeter — FSC 6625
  • Unable to Decode: UNABLE TO DECODE
  • Unable to Decode: UNABLE TO DECODE AND UNABLE TO DECODE
  • Unable to Decode: UNABLE TO DECODE
  • Unable to Decode: UNABLE TO DECODE
  • Unable to Decode: UNABLE TO DECODE
  • Unable to Decode: UNABLE TO DECODE
  • Unable to Decode: UNABLE TO DECODE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Voltmeter, cataloged under National Stock Number 6625-01-100-0829, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Phaostron Instrument and Electronic Company. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-100-0829
Primary Part Number621
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerPhaostron Instrument and Electronic Company
StatusACTIVE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE AND UNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE AND UNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Nuclear Hardness Critical FeatureNONHARDENED
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE AND UNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE AND UNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE AND UNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE AND UNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight1.0000 lbs
Cube0.1271 cu ft
Verified Substitutes 12
6625-00-004-844610238174 SUCCESSOR
Ammeter
Us Army Aviation and Missile Command
6625-00-332-6211SC-C-24420 SUCCESSOR
Multimeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-476-1875476-0255-010 SUCCESSOR
Wattmeter
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6625-00-555-2264628 SUCCESSOR
Generator,signal
Keysight Technologies Inc
6625-00-624-0137331C147H02 SUCCESSOR
Meter,special Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-00-730-8550628 SUCCESSOR
Lead,test
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
6625-00-877-0678331C147H09 SUCCESSOR
Meter,arbitrary Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-01-272-6290A80040 SUCCESSOR
Ammeter
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Server,automatic Data Processing
5330-00-133-0762203748H1 INTERCHANGEABLE
Seal
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
Cross-Reference Index
Part NumberManufacturer
621 Phaostron Instrument and Electronic Company (USA)
21069 Ocean Technology Inc (USA)
R-230 Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA)
628 Phaostron Instrument and Electronic Company (USA)
265 Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA)
125R Simpson Electric Company, Inc. (USA)
Related Parts
6625-00-004-8446SUCCESSOR
AMMETER
10238174
6625-00-332-6211SUCCESSOR
MULTIMETER
SC-C-24420
6625-00-476-1875SUCCESSOR
WATTMETER
476-0255-010
6625-00-555-2264SUCCESSOR
GENERATOR,SIGNAL
628
6625-00-624-0137SUCCESSOR
METER,SPECIAL SCALE
331C147H02
6625-00-730-8550SUCCESSOR
LEAD,TEST
628
6625-00-877-0678SUCCESSOR
METER,ARBITRARY SCALE
331C147H09
6625-01-272-6290SUCCESSOR
AMMETER
A80040
7035-01-663-1982SUCCESSOR
SERVER,AUTOMATIC DATA PROCESSING
5330-00-133-0762INTERCHANGEABLE
SEAL
203748H1
3110-00-198-1422INTERCHANGEABLE
BEARING,BALL,ANNULAR
10568
5905-00-853-4862INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
2100-0050

Frequently Asked Questions

What is NSN 6625-01-100-0829?

NSN 6625-01-100-0829 is a Voltmeter, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-100-0829?

NSN 6625-01-100-0829 has 6 cross-referenced part numbers: 621 (Phaostron Instrument and Electronic Company), 21069 (Ocean Technology Inc), R-230 (Ideal Precision Meter Co Dba Ideal Precision Meter Co), 628 (Phaostron Instrument and Electronic Company), 265 (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging) and 1 more.

What NSN replaces 6625-01-100-0829?

There are 12 known substitutes for 6625-01-100-0829: 6625-00-004-8446, 6625-00-332-6211, 6625-00-476-1875 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 621?

Key specifications for 621: Unable to Decode: UNABLE TO DECODE; Unable to Decode: UNABLE TO DECODE AND UNABLE TO DECODE; Unable to Decode: UNABLE TO DECODE; Unable to Decode: UNABLE TO DECODE. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com