PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

502AOhmmeter

Keithley Instruments, Llc · NSN 6625-00-433-8511 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-433-8511 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-433-8511. Primary manufacturer part number: 502A.
Features
  • Ohmmeter — FSC 6625
  • Features Provided: ZERO ADJUSTER AND PORTABLE
  • Scale Division Quantity: 50 SINGLE INDICATOR FIRST RANGE
  • Scale Division Quantity: 60 SINGLE INDICATOR SECOND RANGE
  • Measurement Range: +0.0 TO 1.0 KILOHMS SINGLE INDICATOR FIRST RANGE
  • Power Source: INTERNAL
  • Measurement Range: +0.0 TO 300.0 MICROHMS SINGLE INDICATOR SECOND RANGE
  • Scale Selection Method: SWITCH
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ohmmeter, cataloged under National Stock Number 6625-00-433-8511, 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 14 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-433-8511
Primary Part Number502A
Item NameOhmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerKeithley Instruments, Llc
StatusACTIVE
Features ProvidedZERO ADJUSTER AND PORTABLE
Scale Division Quantity50 SINGLE INDICATOR FIRST RANGE
Scale Division Quantity60 SINGLE INDICATOR SECOND RANGE
Measurement Range+0.0 TO 1.0 KILOHMS SINGLE INDICATOR FIRST RANGE
Power SourceINTERNAL
Measurement Range+0.0 TO 300.0 MICROHMS SINGLE INDICATOR SECOND RANGE
Scale Selection MethodSWITCH
Features ProvidedZERO ADJUSTER AND PORTABLE
Scale Division Quantity50 SINGLE INDICATOR FIRST RANGE
Scale Division Quantity60 SINGLE INDICATOR SECOND RANGE
Measurement Range+0.0 TO 1.0 KILOHMS SINGLE INDICATOR FIRST RANGE
Power SourceINTERNAL
Measurement Range+0.0 TO 300.0 MICROHMS SINGLE INDICATOR SECOND RANGE
Scale Selection MethodSWITCH
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-965-8363 (502A)
HAZMATNo
Weight1.0000 lbs
Cube0.0040 cu ft
Verified Substitutes 9
6625-00-965-8363502A SUCCESSOR
Oscilloscope
Tektronix, Inc.
4940-00-188-1494991137 INTERCHANGEABLE
Gun,hot Air
Te Connectivity Corporation Dba Raychem Product Division
2940-00-376-8579C121E INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
6210-00-630-6797502A INTERCHANGEABLE
Light,indicator
Korry Electronics Co
5935-00-636-7206C52AZ INTERCHANGEABLE
Jack,telephone
Switchcraft Inc.
5960-00-889-4093 INTERCHANGEABLE
Electron Tube
6250-01-111-5636502 INTERCHANGEABLE
Lampholder
Korry Electronics Co
6515-01-140-5257502A INTERCHANGEABLE
Pin Skull Lg 3 in
Eastern Medical Co
6230-01-440-7467SPL-12W INTERCHANGEABLE
Searchlight
Marinco Shore Power Systems
Cross-Reference Index
Part NumberManufacturer
502A Keithley Instruments, Llc (USA)
Related Parts
SUCCESSOR 6625-00-965-8363 Oscilloscope · 502A
4940-00-188-1494INTERCHANGEABLE
GUN,HOT AIR
991137
2940-00-376-8579INTERCHANGEABLE
FILTER ELEMENT,FLUID
C121E
6210-00-630-6797INTERCHANGEABLE
LIGHT,INDICATOR
502A
5935-00-636-7206INTERCHANGEABLE
JACK,TELEPHONE
C52AZ
5960-00-889-4093INTERCHANGEABLE
ELECTRON TUBE
6250-01-111-5636INTERCHANGEABLE
LAMPHOLDER
502
6515-01-140-5257INTERCHANGEABLE
PIN SKULL LG 3 IN
502A
6230-01-440-7467INTERCHANGEABLE
SEARCHLIGHT
SPL-12W

Frequently Asked Questions

What is NSN 6625-00-433-8511?

NSN 6625-00-433-8511 is a Ohmmeter, manufactured by Keithley Instruments, Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-433-8511?

NSN 6625-00-433-8511 has 1 cross-referenced part number: 502A (Keithley Instruments, Llc).

What NSN replaces 6625-00-433-8511?

There are 9 known substitutes for 6625-00-433-8511: 6625-00-965-8363, 4940-00-188-1494, 2940-00-376-8579 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 502A?

Key specifications for 502A: Special Features: INCLS 1 SET OF LEADS,1 SET OF ALLIGATOR CLIPS,1 SET OF MINIPROD ADAPTERS,1 SET OF MATING CONNECTORS; Features Provided: ZERO ADJUSTER AND PORTABLE; Scale Division Quantity: 50 SINGLE INDICATOR FIRST RANGE; Scale Division Quantity: 60 SINGLE INDICATOR SECOND RANGE. 16 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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