PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L291562-23Ammeter

Raytheon Company Dba Raytheon Co · NSN 6625-00-556-8042 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-556-8042 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-556-8042. Primary manufacturer part number: L291562-23.
Features
  • Ammeter — FSC 6625
  • Environmental Protection: DUST RESISTANT AND HUMIDITY RESISTANT AND WATER RESISTANT
  • Style Designator: ROUND FLUSH MTG
  • Material: STEEL
  • Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE
  • Overall Diameter: 3.510 INCHES MAXIMUM IN
  • Meter Body Diameter Behind Mounting Flange: 2.800 INCHES MAXIMUM IN
  • Meter Depth Behind Mounting Flange: 1.660 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-556-8042, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 28 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-556-8042
Primary Part NumberL291562-23
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Environmental ProtectionDUST RESISTANT AND HUMIDITY RESISTANT AND WATER RESISTANT
Style DesignatorROUND FLUSH MTG
MaterialSTEEL
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Overall Diameter3.510 INCHES MAXIMUM IN
Meter Body Diameter Behind Mounting Flange2.800 INCHES MAXIMUM IN
Meter Depth Behind Mounting Flange1.660 INCHES MAXIMUM IN
Nuclear Hardness Critical FeatureNONHARDENED
Mounting Hole Diameter0.150 INCHES NOMINAL IN
Special Markings+ SIGN ON REAR OF CASE
ColorUNABLE TO DECODE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
FSC Application DataELECTRICAL,ELECTRONIC PROPERTIES MEASURING AND TEST INSTRUMENTS
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING IRON VANE
Movement Suspension MethodJEWEL PIVOT BASE
Mounting Facility Type and Quantity1 FLANGE AND 3 SCREW AND 3 UNTHREADED HOLE(S)
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Scale Graduation TypeNONLINEAR SINGLE INDICATOR SINGLE RANGE
Mounting Bolt Circle Diameter3.146 INCHES MINIMUM AND 3.174 INCHES MAXIMUM IN
Indicator TypeDIAL W/POINTER
Sensitivity Rating75.0 MILLIVOLTS
Measurement Range+0.0 TO 3.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Dielectric Withstanding Voltage in Volts3000.0
Installation DesignPANEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 4
6625-00-649-5346 INTERCHANGEABLE
Ammeter
2910-01-154-6627 INTERCHANGEABLE
Filter,fuel
5310-01-352-2750196007 INTERCHANGEABLE
Nut,plain,single Ball Seat,hexag
Simplicity Manufacturing Inc
6220-01-512-5258114011 INTERCHANGEABLE
Light,indicator
Fwd Seagrave Holdings Lp
Cross-Reference Index
Part NumberManufacturer
L291562-23 PRIMARY Raytheon Company Dba Raytheon Co (USA)
MR36W003ACAAR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
196007 Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
6625-00-649-5346INTERCHANGEABLE
AMMETER
2910-01-154-6627INTERCHANGEABLE
FILTER,FUEL
5310-01-352-2750INTERCHANGEABLE
NUT,PLAIN,SINGLE BALL SEAT,HEXAG
196007
6220-01-512-5258INTERCHANGEABLE
LIGHT,INDICATOR
114011

Frequently Asked Questions

What is NSN 6625-00-556-8042?

NSN 6625-00-556-8042 is a Ammeter, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-556-8042?

NSN 6625-00-556-8042 has 3 cross-referenced part numbers: L291562-23 (Raytheon Company Dba Raytheon Co), MR36W003ACAAR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 196007 (Solartron Electronics Inc Weston Instruments Div).

What NSN replaces 6625-00-556-8042?

There are 4 known substitutes for 6625-00-556-8042: 6625-00-649-5346, 2910-01-154-6627, 5310-01-352-2750 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L291562-23?

Key specifications for L291562-23: Environmental Protection: DUST RESISTANT AND HUMIDITY RESISTANT AND WATER RESISTANT; Style Designator: ROUND FLUSH MTG; Material: STEEL; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE. 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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