PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1309Ammeter

Jewell Instruments Llc · NSN 6625-00-668-5068 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-668-5068 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-668-5068. Primary manufacturer part number: 1309.
Features
  • Ammeter — FSC 6625
  • Special Test Features: MEETS REQUIREMENTS OF ANSI C39.1
  • Meter Depth Behind Mounting Flange: 1.063 INCHES NOMINAL IN
  • Pointer Color: BLACK SINGLE INDICATOR ALL RANGES
  • Circuit Construction Type: NONELECTRONIC
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Measurement Range: +0.0 TO 15.0 MILLIAMPERES, DC SINGLE INDICATOR FIRST RANGE
  • Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-668-5068, 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 4 commercial cross-references 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.

Technical Specifications
ParameterValue
NSN6625-00-668-5068
Primary Part Number1309
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusACTIVE
Special Test FeaturesMEETS REQUIREMENTS OF ANSI C39.1
Meter Depth Behind Mounting Flange1.063 INCHES NOMINAL IN
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Circuit Construction TypeNONELECTRONIC
Movement Suspension MethodJEWEL PIVOT BASE
Measurement Range+0.0 TO 15.0 MILLIAMPERES, DC SINGLE INDICATOR FIRST RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Nuclear Hardness Critical FeatureNONHARDENED
Movement TypeMOVING COIL, PERMANENT MAGNET
Sensitivity Rating100.0 MILLIVOLTS
Furnished Items and QuantityMTG HARDWARE INCLUDED
Style DesignatorROUND FLUSH MTG
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Scale Division Quantity30 SINGLE INDICATOR ALL RANGES
Environmental ProtectionDUST RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
ColorUNABLE TO DECODE
FSC Application DataTEST SET,ELECTRONIC EQUIPMENT
Installation DesignPANEL
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Mounting Hole Diameter0.150 INCHES NOMINAL IN
Circuit Attachment Method and Quantity2 SOLDER LUG
Features ProvidedELECTROSTATIC SHIELD AND MAGNETIC SHIELD AND ZERO ADJUSTER
Circuit Current for Which DesignedDC
Meter Body Diameter Behind Mounting Flange2.675 INCHES NOMINAL IN
Measurement Range+0.0 TO 75.0 MILLIAMPERES, DC SINGLE INDICATOR SECOND RANGE
Indicator TypeDIAL W/POINTER
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
Measurement Range+0.0 TO 150.0 MILLIAMPERES, DC SINGLE INDICATOR THIRD RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Weight0.0100 lbs
Cube0.0290 cu ft
Verified Substitutes 12
6625-00-088-910692025-01 SUCCESSOR
Meter,modulation
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
6625-00-255-5806232-71 SUCCESSOR
Voltmeter
Jewell Instruments Llc
5999-00-496-583410054265 SUCCESSOR
Clamp,electrical
Us Army Aviation and Missile Command
5999-00-502-135531-929 SUCCESSOR
Contact,electrical
Amphenol Corporation Div Amphenol Rf
6625-00-649-4962702053-1REVC SUCCESSOR
Meter,replacement
L3harris Technologies, Inc. Dba Harris Corporation
5895-01-086-2924810AS493 SUCCESSOR
Mixer Stage,frequency
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
6145-01-384-25191309C SUCCESSOR
Cable,special Purpose,electrical
Belden, Inc.
6625-00-187-1788 INTERCHANGEABLE
Ammeter
6625-00-221-2576 INTERCHANGEABLE
Multimeter
6625-00-228-8823 INTERCHANGEABLE
Voltmeter
Cross-Reference Index
Part NumberManufacturer
HM3 Jewell Instruments Llc (USA)
1309 PRIMARY Jewell Instruments Llc (USA)
HSZ3 Jewell Instruments Llc (USA)
HS3ZAM3171 Jewell Instruments Llc (USA)
Related Parts
6625-00-088-9106SUCCESSOR
METER,MODULATION
92025-01
6625-00-255-5806SUCCESSOR
VOLTMETER
232-71
5999-00-496-5834SUCCESSOR
CLAMP,ELECTRICAL
10054265
5999-00-502-1355SUCCESSOR
CONTACT,ELECTRICAL
31-929
6625-00-649-4962SUCCESSOR
METER,REPLACEMENT
702053-1REVC
5895-01-086-2924SUCCESSOR
MIXER STAGE,FREQUENCY
810AS493
6145-01-384-2519SUCCESSOR
CABLE,SPECIAL PURPOSE,ELECTRICAL
1309C
6625-00-187-1788INTERCHANGEABLE
AMMETER
6625-00-221-2576INTERCHANGEABLE
MULTIMETER
6625-00-228-8823INTERCHANGEABLE
VOLTMETER
6625-00-256-0600INTERCHANGEABLE
TEST SET,ELECTRON TUBE
6625-00-539-8473INTERCHANGEABLE
VOLTMETER

Frequently Asked Questions

What is NSN 6625-00-668-5068?

NSN 6625-00-668-5068 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 6625-00-668-5068?

NSN 6625-00-668-5068 has 4 cross-referenced part numbers: HM3 (Jewell Instruments Llc), 1309 (Jewell Instruments Llc), HSZ3 (Jewell Instruments Llc), HS3ZAM3171 (Jewell Instruments Llc).

What NSN replaces 6625-00-668-5068?

There are 12 known substitutes for 6625-00-668-5068: 6625-00-088-9106, 6625-00-255-5806, 5999-00-496-5834 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1309?

Key specifications for 1309: Special Test Features: MEETS REQUIREMENTS OF ANSI C39.1; Meter Depth Behind Mounting Flange: 1.063 INCHES NOMINAL IN; Pointer Color: BLACK SINGLE INDICATOR ALL RANGES; Circuit Construction Type: NONELECTRONIC. 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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