PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21856-1Ammeter

L3 Aviation Products, Inc. Dba L3 Technologies · NSN 6625-01-203-9240 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-203-9240 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-203-9240. Primary manufacturer part number: 21856-1.
Features
  • Ammeter — FSC 6625
  • Panel for Which Designed: NONMAGNETIC
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Features Provided: ZERO ADJUSTER
  • Indicator Type: DIAL W/POINTER
  • Power Source: EXTERNAL
  • Style Designator: RECTANGULAR FLUSH MTG
  • FSC Application Data: TEST SET,ELECT. EQUIP.
Applications
  • Applications requiring Plastic and Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-01-203-9240, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is L3 Aviation Products, Inc. Dba L3 Technologies. Government technical data includes 26 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-01-203-9240
Primary Part Number21856-1
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerL3 Aviation Products, Inc. Dba L3 Technologies
StatusACTIVE
Panel for Which DesignedNONMAGNETIC
Nuclear Hardness Critical FeatureNONHARDENED
Features ProvidedZERO ADJUSTER
Indicator TypeDIAL W/POINTER
Power SourceEXTERNAL
Style DesignatorRECTANGULAR FLUSH MTG
FSC Application DataTEST SET,ELECT. EQUIP.
Mounting Facility Type and Quantity2 BRACKET(S)
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Circuit Construction TypeNONELECTRONIC
Circuit Attachment Method and Quantity2 THREADED STUD
MaterialPLASTIC AND STEEL
Installation DesignPANEL
Panel for Which DesignedNONMAGNETIC
Nuclear Hardness Critical FeatureNONHARDENED
Features ProvidedZERO ADJUSTER
Indicator TypeDIAL W/POINTER
Power SourceEXTERNAL
Style DesignatorRECTANGULAR FLUSH MTG
FSC Application DataTEST SET,ELECT. EQUIP.
Mounting Facility Type and Quantity2 BRACKET(S)
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Circuit Construction TypeNONELECTRONIC
Circuit Attachment Method and Quantity2 THREADED STUD
MaterialPLASTIC AND STEEL
Installation DesignPANEL
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5999-00-928-9775
HAZMATNo
Verified Substitutes 3
Mounting Pad,electrical-Electron
6210-00-231-2014 INTERCHANGEABLE
Lens,light
5985-00-303-8088218561 INTERCHANGEABLE
Waveguide Assembly
Microtech Inc Dba Microtech Inc
Cross-Reference Index
Part NumberManufacturer
21856-1 L3 Aviation Products, Inc. Dba L3 Technologies (USA)
Related Parts
SUCCESSOR 5999-00-928-9775 Mounting Pad,electrical-Electron
6210-00-231-2014INTERCHANGEABLE
LENS,LIGHT
5985-00-303-8088INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
218561

Frequently Asked Questions

What is NSN 6625-01-203-9240?

NSN 6625-01-203-9240 is a Ammeter, manufactured by L3 Aviation Products, Inc. Dba L3 Technologies, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-203-9240?

NSN 6625-01-203-9240 has 1 cross-referenced part number: 21856-1 (L3 Aviation Products, Inc. Dba L3 Technologies).

What NSN replaces 6625-01-203-9240?

There are 3 known substitutes for 6625-01-203-9240: 5999-00-928-9775, 6210-00-231-2014, 5985-00-303-8088. Verify interchangeability with system specifications before substitution.

What are the specifications of 21856-1?

Key specifications for 21856-1: Panel for Which Designed: NONMAGNETIC; Nuclear Hardness Critical Feature: NONHARDENED; Features Provided: ZERO ADJUSTER; Indicator Type: DIAL W/POINTER. 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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