PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

428AAmmeter

Hewlett-Packard Company Dba HP · NSN 6625-00-798-0659 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-798-0659 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-798-0659. Primary manufacturer part number: 428A.
Features
  • Ammeter — FSC 6625
  • Circuit Current for Which Designed: DC
  • Color: UNABLE TO DECODE
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Accuracy in Percent: -3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Sensitivity Rating: 15.0 MILLIVOLTS
  • Furnished Items and Quantity: HANDLE 1
  • Features Provided: ZERO ADJUSTER
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-798-0659, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hewlett-Packard Company Dba HP. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-798-0659
Primary Part Number428A
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerHewlett-Packard Company Dba HP
StatusACTIVE
Circuit Current for Which DesignedDC
ColorUNABLE TO DECODE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating15.0 MILLIVOLTS
Furnished Items and QuantityHANDLE 1
Features ProvidedZERO ADJUSTER
Circuit Attachment Method and Quantity1 PHONE JACK
Scale Selection MethodTERMINAL
Circuit Current for Which DesignedDC
ColorUNABLE TO DECODE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating15.0 MILLIVOLTS
Furnished Items and QuantityHANDLE 1
Features ProvidedZERO ADJUSTER
Circuit Attachment Method and Quantity1 PHONE JACK
Scale Selection MethodTERMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeS
Unit of IssueEA
SMR CodeXS
Weight27.0000 lbs
Cube2.7222 cu ft
Verified Substitutes 3
5120-00-408-2204 INTERCHANGEABLE
Wrench,open End
9535-00-844-6812 INTERCHANGEABLE
Sheet,metal
7310-01-491-4961428-A INTERCHANGEABLE
Toaster,electric
Prince Castle Co the
Cross-Reference Index
Part NumberManufacturer
428A Hewlett-Packard Company Dba HP (USA)
428A Keysight Technologies, Inc. (USA)
428A Keysight Technologies Inc (USA)
Related Parts
5120-00-408-2204INTERCHANGEABLE
WRENCH,OPEN END
9535-00-844-6812INTERCHANGEABLE
SHEET,METAL
7310-01-491-4961INTERCHANGEABLE
TOASTER,ELECTRIC
428-A

Frequently Asked Questions

What is NSN 6625-00-798-0659?

NSN 6625-00-798-0659 is a Ammeter, manufactured by Hewlett-Packard Company Dba HP, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-798-0659?

NSN 6625-00-798-0659 has 3 cross-referenced part numbers: 428A (Hewlett-Packard Company Dba HP), 428A (Keysight Technologies, Inc.), 428A (Keysight Technologies Inc).

What NSN replaces 6625-00-798-0659?

There are 3 known substitutes for 6625-00-798-0659: 5120-00-408-2204, 9535-00-844-6812, 7310-01-491-4961. Verify interchangeability with system specifications before substitution.

What are the specifications of 428A?

Key specifications for 428A: Circuit Current for Which Designed: DC; Overall Length: 14.500 INCHES NOMINAL IN; Overall Width: 11.500 INCHES NOMINAL IN; Color: UNABLE TO DECODE. 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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