PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HS1Ammeter

Jewell Instruments Llc · NSN 6625-00-649-3274 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-649-3274 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-649-3274. Primary manufacturer part number: HS1.
Features
  • Ammeter — FSC 6625
  • Scale Division Quantity: 10 SINGLE INDICATOR SINGLE RANGE
  • Sensitivity Rating: 100.0 MILLIVOLTS
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Style Designator: RECTANGULAR FLUSH MTG
  • Indicator Type: DIAL W/POINTER
  • Circuit Current for Which Designed: DC
  • Color: UNABLE TO DECODE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-649-3274, 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 28 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-649-3274
Primary Part NumberHS1
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusACTIVE
Scale Division Quantity10 SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating100.0 MILLIVOLTS
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Style DesignatorRECTANGULAR FLUSH MTG
Indicator TypeDIAL W/POINTER
Circuit Current for Which DesignedDC
ColorUNABLE TO DECODE
Circuit Attachment Method and Quantity2 SOLDER STUD
Mounting Hole Diameter0.122 INCHES NOMINAL IN
Measurement Range+0.0 TO 250.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Scale Selection MethodTERMINAL
Meter Body Diameter Behind Mounting Flange1.530 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Installation DesignPANEL
Meter Depth Behind Mounting Flange0.810 INCHES NOMINAL IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Panel for Which DesignedMAGNETIC
Nuclear Hardness Critical FeatureNONHARDENED
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Circuit Construction TypeNONELECTRONIC
Movement Suspension MethodJEWEL PIVOT BASE
Power SourceEXTERNAL
Center to Center Distance Between Mounting Facilities Parallel to Length1.312 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.312 INCHES NOMINAL IN
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Dielectric Withstanding Voltage in Volts2000.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 12
5999-00-677-983911066463-001 SUCCESSOR
Clip,electrical
Us Army Aviation and Missile Command
6625-00-102-964110163371 INTERCHANGEABLE
Meter,null
Us Army Aviation and Missile Command
6625-00-504-08901801260 INTERCHANGEABLE
Meter,arbitrary Scale
Northrop Grumman Systems Corporation
6625-00-508-143290-2009 INTERCHANGEABLE
Meter,arbitrary Scale
Crane Electronics, Inc.
3110-00-580-9301CYRB252 INTERCHANGEABLE
Bearing,ball,annular
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
6625-00-651-5332KT221178 INTERCHANGEABLE
Ammeter
Kearfott Corporation Div Guidance and Navigation Division
6625-00-683-9721 INTERCHANGEABLE
Ammeter
6625-00-704-6580557823-1 INTERCHANGEABLE
Ammeter
Raytheon Company
6625-00-809-9943 INTERCHANGEABLE
Meter,arbitrary Scale
6625-00-988-1693C088103-001 INTERCHANGEABLE
Meter,arbitrary Scale
Gyrodyne Co of America Inc
Cross-Reference Index
Part NumberManufacturer
HS1 Jewell Instruments Llc (USA)
Related Parts
5999-00-677-9839SUCCESSOR
CLIP,ELECTRICAL
11066463-001
6625-00-102-9641INTERCHANGEABLE
METER,NULL
10163371
6625-00-504-0890INTERCHANGEABLE
METER,ARBITRARY SCALE
1801260
6625-00-508-1432INTERCHANGEABLE
METER,ARBITRARY SCALE
90-2009
3110-00-580-9301INTERCHANGEABLE
BEARING,BALL,ANNULAR
CYRB252
6625-00-651-5332INTERCHANGEABLE
AMMETER
KT221178
6625-00-683-9721INTERCHANGEABLE
AMMETER
6625-00-704-6580INTERCHANGEABLE
AMMETER
557823-1
6625-00-809-9943INTERCHANGEABLE
METER,ARBITRARY SCALE
6625-00-988-1693INTERCHANGEABLE
METER,ARBITRARY SCALE
C088103-001
6625-01-041-3197INTERCHANGEABLE
METER,ARBITRARY SCALE
SM-C-867200
3610-01-073-3839INTERCHANGEABLE
HEADLINE TYPESETTER

Frequently Asked Questions

What is NSN 6625-00-649-3274?

NSN 6625-00-649-3274 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 6625-00-649-3274?

NSN 6625-00-649-3274 has 1 cross-referenced part number: HS1 (Jewell Instruments Llc).

What NSN replaces 6625-00-649-3274?

There are 12 known substitutes for 6625-00-649-3274: 5999-00-677-9839, 6625-00-102-9641, 6625-00-504-0890 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HS1?

Key specifications for HS1: Scale Division Quantity: 10 SINGLE INDICATOR SINGLE RANGE; Overall Height: 1.750 INCHES NOMINAL IN; Sensitivity Rating: 100.0 MILLIVOLTS; Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE. 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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