PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

265-840Ammeter

Jewell Instruments Llc · NSN 6625-00-684-2821 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-684-2821 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-684-2821. Primary manufacturer part number: 265-840.
Features
  • Ammeter — FSC 6625
  • 11 verified cross-references
  • Primary manufacturer: Jewell Instruments Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-684-2821, 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. This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameAmmeter
FSC / FSG6625 — No Item Name Available (FSG 66)
ManufacturersJewell Instruments Llc (CAGE 33005); Triplett (bluffton) Corporation Dba Lfe Instruments (CAGE 60741); Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349); Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (CAGE 95105); Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (CAGE 13499)
Successor NSN6625-00-004-8446 — Ammeter
Technical Specifications
ParameterValue
NSN6625-00-684-2821
Primary Part Number265-840
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-220-9986
HAZMATNo
Weight0.0400 lbs
Cube0.0258 cu ft
Verified Substitutes 12
6625-00-004-844610238174 SUCCESSOR
Ammeter
Us Army Aviation and Missile Command
Meter,audio Level
6625-00-332-6211SC-C-24420 SUCCESSOR
Multimeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-476-1875476-0255-010 SUCCESSOR
Wattmeter
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6625-00-555-2264628 SUCCESSOR
Generator,signal
Keysight Technologies Inc
6625-00-624-0137331C147H02 SUCCESSOR
Meter,special Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Ammeter
6625-00-730-8550628 SUCCESSOR
Lead,test
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
Ammeter
6625-00-877-0678331C147H09 SUCCESSOR
Meter,arbitrary Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
265-840 Jewell Instruments Llc (USA)
221HR Triplett (bluffton) Corporation Dba Lfe Instruments (USA)
MIL-PRF-10304/5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
476-0214-000 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
476-0214-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
MIL-M-10304/5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR26W200DCUAR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
R230 Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA)
621 Phaostron Instrument and Electronic Company (USA)
628 Phaostron Instrument and Electronic Company (USA)
125R Simpson Electric Company, Inc. (USA)
Related Parts
SUCCESSOR 6625-00-220-9986 Meter,audio Level
6625-00-004-8446SUCCESSOR
AMMETER
10238174
6625-00-332-6211SUCCESSOR
MULTIMETER
SC-C-24420
6625-00-476-1875SUCCESSOR
WATTMETER
476-0255-010
6625-00-555-2264SUCCESSOR
GENERATOR,SIGNAL
628
6625-00-624-0137SUCCESSOR
METER,SPECIAL SCALE
331C147H02
6625-00-725-8151SUCCESSOR
AMMETER
6625-00-730-8550SUCCESSOR
LEAD,TEST
628
6625-00-841-7570SUCCESSOR
AMMETER
6625-00-877-0678SUCCESSOR
METER,ARBITRARY SCALE
331C147H09
6625-00-913-7254SUCCESSOR
METER,ARBITRARY SCALE
63A3D26
6625-00-964-2808SUCCESSOR
METER,MULTIPLE SCALE

Frequently Asked Questions

What is NSN 6625-00-684-2821?

NSN 6625-00-684-2821 is a Ammeter, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-684-2821?

NSN 6625-00-684-2821 has 11 cross-referenced part numbers: 265-840 (Jewell Instruments Llc), 221HR (Triplett (bluffton) Corporation Dba Lfe Instruments), MIL-PRF-10304/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 476-0214-000 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), 476-0214-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems) and 6 more.

What NSN replaces 6625-00-684-2821?

There are 12 known substitutes for 6625-00-684-2821: 6625-00-004-8446, 6625-00-220-9986, 6625-00-332-6211 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 6625-00-684-2821 still in active supply?

NSN 6625-00-684-2821 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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