PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HS3XAmmeter

Jewell Instruments Llc · NSN 6625-00-884-0277 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-884-0277 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-884-0277. Primary manufacturer part number: HS3X.
Features
  • Ammeter — FSC 6625
  • Mounting Facility Type and Quantity: 3 THREADED STUD(S)
  • Circuit Current for Which Designed: DC
  • Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE
  • Color: UNABLE TO DECODE
  • Mounting Bolt Circle Diameter: 3.160 INCHES NOMINAL IN
  • Meter Depth Behind Mounting Flange: 1.660 INCHES NOMINAL IN
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-884-0277, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Jewell Instruments Llc. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-884-0277
Primary Part NumberHS3X
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusACTIVE
Mounting Facility Type and Quantity3 THREADED STUD(S)
Circuit Current for Which DesignedDC
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
ColorUNABLE TO DECODE
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange1.660 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.420 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Scale Division Quantity30 SINGLE INDICATOR SINGLE RANGE
Overall Diameter3.510 INCHES NOMINAL IN
Installation DesignPANEL
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Stud Diameter0.138 INCHES NOMINAL IN
Panel for Which DesignedNONMAGNETIC
Circuit Attachment Method and Quantity2 SOLDER LUG
Sensitivity Rating100.0 MILLIVOLTS
Mounting Facility Type and Quantity3 THREADED STUD(S)
Circuit Current for Which DesignedDC
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
ColorUNABLE TO DECODE
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange1.660 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.420 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Scale Division Quantity30 SINGLE INDICATOR SINGLE RANGE
Overall Diameter3.510 INCHES NOMINAL IN
Installation DesignPANEL
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6625-00-068-270520131011-105 SUCCESSOR
Ammeter
Jewell Instruments Llc
6625-00-553-7484HS3JCM072851 INTERCHANGEABLE
Multimeter
Jewell Instruments Llc
6625-00-959-0340 INTERCHANGEABLE
Voltmeter
Cross-Reference Index
Part NumberManufacturer
HS3X PRIMARY Jewell Instruments Llc (USA)
941378-2 Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis (USA)
Related Parts
6625-00-068-2705SUCCESSOR
AMMETER
20131011-105
6625-00-553-7484INTERCHANGEABLE
MULTIMETER
HS3JCM072851
6625-00-959-0340INTERCHANGEABLE
VOLTMETER

Frequently Asked Questions

What is NSN 6625-00-884-0277?

NSN 6625-00-884-0277 is a Ammeter, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-884-0277?

NSN 6625-00-884-0277 has 2 cross-referenced part numbers: HS3X (Jewell Instruments Llc), 941378-2 (Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis).

What NSN replaces 6625-00-884-0277?

There are 3 known substitutes for 6625-00-884-0277: 6625-00-068-2705, 6625-00-553-7484, 6625-00-959-0340. Verify interchangeability with system specifications before substitution.

What are the specifications of HS3X?

Key specifications for HS3X: Mounting Facility Type and Quantity: 3 THREADED STUD(S); Circuit Current for Which Designed: DC; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Color: 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.
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