PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

310-1Wattmeter

Electrical Instrument Service Inc Dba Electrical Instrmnt Svce · NSN 6625-00-242-5161 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-242-5161 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-242-5161. Primary manufacturer part number: 310-1.
Features
  • Wattmeter — FSC 6625
  • Accuracy in Percent: -0.250 TO 0.250 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Scale Division Quantity: 100 SINGLE INDICATOR SINGLE RANGE
  • Frequency Rating: 25.0 HERTZ MINIMUM AND 125.0 HERTZ MAXIMUM
  • Circuit Attachment Method and Quantity: 6 BINDING POST
  • Features Provided: PORTABLE
  • Phase: SINGLE
Applications
  • Applications requiring Wood construction
General Description

The Wattmeter, cataloged under National Stock Number 6625-00-242-5161, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Electrical Instrument Service Inc Dba Electrical Instrmnt Svce. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-242-5161
Primary Part Number310-1
Item NameWattmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerElectrical Instrument Service Inc Dba Electrical Instrmnt Svce
StatusACTIVE
Accuracy in Percent-0.250 TO 0.250 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity100 SINGLE INDICATOR SINGLE RANGE
Frequency Rating25.0 HERTZ MINIMUM AND 125.0 HERTZ MAXIMUM
Circuit Attachment Method and Quantity6 BINDING POST
Features ProvidedPORTABLE
PhaseSINGLE
ColorUNABLE TO DECODE
MaterialWOOD
Accuracy in Percent-0.250 TO 0.250 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity100 SINGLE INDICATOR SINGLE RANGE
Frequency Rating25.0 HERTZ MINIMUM AND 125.0 HERTZ MAXIMUM
Circuit Attachment Method and Quantity6 BINDING POST
Features ProvidedPORTABLE
PhaseSINGLE
ColorUNABLE TO DECODE
MaterialWOOD
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5999-00-151-4043 (310-1)
HAZMATNo
Shelf Life Code0
Criticality CodeU
SMR CodeLU
Verified Substitutes 4
5999-00-151-4043310-1 SUCCESSOR
Clip,electrical
Birnbach Co Inc
6625-00-814-023731-013497 SUCCESSOR
Ammeter
Phaostron Instrument and Electronic Company
6625-00-935-1423310-1 SUCCESSOR
Voltmeter
Custom Metering Company Inc
5930-00-962-2771260-0373-00 INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
Cross-Reference Index
Part NumberManufacturer
310-1 Electrical Instrument Service Inc Dba Electrical Instrmnt Svce (USA)
310-6901008 Electrical Instrument Service Inc Dba Electrical Instrmnt Svce (USA)
310-6901008 Solartron Electronics Inc Weston Instruments Div (USA)
260373 Electrical Instrument Service Inc Dba Electrical Instrmnt Svce (USA)
310-1 Solartron Electronics Inc Weston Instruments Div (USA)
260373 Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
SUCCESSOR 5999-00-151-4043 Clip,electrical · 310-1
6625-00-814-0237SUCCESSOR
AMMETER
31-013497
6625-00-935-1423SUCCESSOR
VOLTMETER
310-1
5930-00-962-2771INTERCHANGEABLE
SWITCH,ROTARY
260-0373-00

Frequently Asked Questions

What is NSN 6625-00-242-5161?

NSN 6625-00-242-5161 is a Wattmeter, manufactured by Electrical Instrument Service Inc Dba Electrical Instrmnt Svce, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-242-5161?

NSN 6625-00-242-5161 has 6 cross-referenced part numbers: 310-1 (Electrical Instrument Service Inc Dba Electrical Instrmnt Svce), 310-6901008 (Electrical Instrument Service Inc Dba Electrical Instrmnt Svce), 310-6901008 (Solartron Electronics Inc Weston Instruments Div), 260373 (Electrical Instrument Service Inc Dba Electrical Instrmnt Svce), 310-1 (Solartron Electronics Inc Weston Instruments Div) and 1 more.

What NSN replaces 6625-00-242-5161?

There are 4 known substitutes for 6625-00-242-5161: 5999-00-151-4043, 6625-00-814-0237, 6625-00-935-1423 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 310-1?

Key specifications for 310-1: Accuracy in Percent: -0.250 TO 0.250 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Scale Division Quantity: 100 SINGLE INDICATOR SINGLE RANGE; Frequency Rating: 25.0 HERTZ MINIMUM AND 125.0 HERTZ MAXIMUM. 26 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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