PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

445Ammeter

Keithley Instruments, Llc · NSN 6625-01-005-7061 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-005-7061 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-005-7061. Primary manufacturer part number: 445.
Features
  • Ammeter — FSC 6625
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Mounting Arrangement Style: FOUR SLOT RECTANGULAR/SQUARE OPEN ENDS
  • Style Designator: RECTANGULAR FLUSH MTG
  • Accuracy Rating: PORM 0.2 PCT TO 0.5 PCT OF READING SINGLE INDICATOR SINGLE RANGE
  • Features Provided: AUTORANGING
  • Meter Body Height Behind Mounting Flange: 5.250 INCHES NOMINAL IN
  • Circuit Construction Type: NONELECTRONIC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-01-005-7061, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Keithley Instruments, Llc. Government technical data includes 27 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
NSN6625-01-005-7061
Primary Part Number445
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerKeithley Instruments, Llc
StatusACTIVE
Nuclear Hardness Critical FeatureNONHARDENED
Mounting Arrangement StyleFOUR SLOT RECTANGULAR/SQUARE OPEN ENDS
Style DesignatorRECTANGULAR FLUSH MTG
Accuracy RatingPORM 0.2 PCT TO 0.5 PCT OF READING SINGLE INDICATOR SINGLE RANGE
Features ProvidedAUTORANGING
Meter Body Height Behind Mounting Flange5.250 INCHES NOMINAL IN
Circuit Construction TypeNONELECTRONIC
Measurement Range+0.000001999 TO 0.190000000 AMPERES SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
Circuit Attachment Method and Quantity1 RECEPTACLE, COAXIAL
Mounting Facility Type and Quantity4 SLOTTED HOLE
Indicator TypeDIGITAL DISPLAY
Display Digit Quantity4-1/2
Installation DesignRACK
Power SourceEXTERNAL
Nuclear Hardness Critical FeatureNONHARDENED
Mounting Arrangement StyleFOUR SLOT RECTANGULAR/SQUARE OPEN ENDS
Style DesignatorRECTANGULAR FLUSH MTG
Accuracy RatingPORM 0.2 PCT TO 0.5 PCT OF READING SINGLE INDICATOR SINGLE RANGE
Features ProvidedAUTORANGING
Meter Body Height Behind Mounting Flange5.250 INCHES NOMINAL IN
Circuit Construction TypeNONELECTRONIC
Measurement Range+0.000001999 TO 0.190000000 AMPERES SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
Circuit Attachment Method and Quantity1 RECEPTACLE, COAXIAL
Mounting Facility Type and Quantity4 SLOTTED HOLE
Indicator TypeDIGITAL DISPLAY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeLN
Verified Substitutes 12
5930-00-070-5449 INTERCHANGEABLE
Switch,rotary
5970-00-117-5230190-2327-00 INTERCHANGEABLE
Insulator,standoff
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5935-00-234-2086 INTERCHANGEABLE
Jack,telephone
7510-00-400-47271136954 INTERCHANGEABLE
Ribbon,inking
Lexmark International, Inc. Dba Lexmark
2910-00-406-0902 INTERCHANGEABLE
Filter,fluid
6625-00-411-9622445B INTERCHANGEABLE
Generator,signal
Ar Worldwide Reciever Systems Llc
6350-00-415-6494 INTERCHANGEABLE
Detector,fire Automatic
6640-00-442-8010 INTERCHANGEABLE
Test Paper and Color Chart,ph
5930-00-952-1796 INTERCHANGEABLE
Switch,sensitive
5305-00-999-10122101999-50 INTERCHANGEABLE
Setscrew
Diversified Aerospace Services, Llc Dba Lloyd Aircraft Company
Cross-Reference Index
Part NumberManufacturer
445 Keithley Instruments, Llc (USA)
Related Parts
5930-00-070-5449INTERCHANGEABLE
SWITCH,ROTARY
5970-00-117-5230INTERCHANGEABLE
INSULATOR,STANDOFF
190-2327-00
5935-00-234-2086INTERCHANGEABLE
JACK,TELEPHONE
7510-00-400-4727INTERCHANGEABLE
RIBBON,INKING
1136954
2910-00-406-0902INTERCHANGEABLE
FILTER,FLUID
6625-00-411-9622INTERCHANGEABLE
GENERATOR,SIGNAL
445B
6350-00-415-6494INTERCHANGEABLE
DETECTOR,FIRE AUTOMATIC
6640-00-442-8010INTERCHANGEABLE
TEST PAPER AND COLOR CHART,PH
5930-00-952-1796INTERCHANGEABLE
SWITCH,SENSITIVE
5305-00-999-1012INTERCHANGEABLE
SETSCREW
2101999-50
3040-01-199-6650INTERCHANGEABLE
GUIDE,PISTON,LINER
40273 PIECE 35
5975-01-203-6083INTERCHANGEABLE
JUNCTION BOX
445

Frequently Asked Questions

What is NSN 6625-01-005-7061?

NSN 6625-01-005-7061 is a Ammeter, manufactured by Keithley Instruments, Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-005-7061?

NSN 6625-01-005-7061 has 1 cross-referenced part number: 445 (Keithley Instruments, Llc).

What NSN replaces 6625-01-005-7061?

There are 12 known substitutes for 6625-01-005-7061: 5930-00-070-5449, 5970-00-117-5230, 5935-00-234-2086 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 445?

Key specifications for 445: Nuclear Hardness Critical Feature: NONHARDENED; Mounting Arrangement Style: FOUR SLOT RECTANGULAR/SQUARE OPEN ENDS; Style Designator: RECTANGULAR FLUSH MTG; Accuracy Rating: PORM 0.2 PCT TO 0.5 PCT OF READING 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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