PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

501Ohmmeter

Keithley Instruments, Llc · NSN 6625-00-982-3926 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-982-3926 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-982-3926. Primary manufacturer part number: 501.
Features
  • Ohmmeter — FSC 6625
  • Power Source: INTERNAL
  • Installation Design: BENCH
  • Furnished Items and Quantity: BATTERIES 3,PROD 1
  • Power Source: INTERNAL
  • Installation Design: BENCH
  • Furnished Items and Quantity: BATTERIES 3,PROD 1
  • 1 verified cross-reference
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ohmmeter, cataloged under National Stock Number 6625-00-982-3926, 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 6 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-982-3926
Primary Part Number501
Item NameOhmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerKeithley Instruments, Llc
StatusACTIVE
Power SourceINTERNAL
Installation DesignBENCH
Furnished Items and QuantityBATTERIES 3,PROD 1
Power SourceINTERNAL
Installation DesignBENCH
Furnished Items and QuantityBATTERIES 3,PROD 1
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-643-2640 (M-1929A)
HAZMATNo
Shelf Life Code0
Criticality CodeU
Unit of IssueEA
SMR CodeLF
Verified Substitutes 7
6625-00-643-2640M-1929A SUCCESSOR
Ammeter
Custom Metering Company Inc
6625-01-010-4290501 SUCCESSOR
Window-Meter
Q V S Inc
6625-01-024-7721501 SUCCESSOR
Tester,calibrator
Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution
6625-01-032-0223501 SUCCESSOR
Meter,special Scale
Anritsu Company
6625-01-045-6125501 SUCCESSOR
Test Set,insulation Breakdown
Simpson Electric Company, Inc.
6625-01-373-6738501 SUCCESSOR
Drawer Extension,sp
Keytek Instrument Corp
6625-00-555-2315 INTERCHANGEABLE
Voltmeter
Cross-Reference Index
Part NumberManufacturer
501 Keithley Instruments, Llc (USA)
Related Parts
SUCCESSOR 6625-00-643-2640 Ammeter · M-1929A
6625-01-010-4290SUCCESSOR
WINDOW-METER
501
6625-01-024-7721SUCCESSOR
TESTER,CALIBRATOR
501
6625-01-032-0223SUCCESSOR
METER,SPECIAL SCALE
501
6625-01-045-6125SUCCESSOR
TEST SET,INSULATION BREAKDOWN
501
6625-01-373-6738SUCCESSOR
DRAWER EXTENSION,SP
501
6625-00-555-2315INTERCHANGEABLE
VOLTMETER

Frequently Asked Questions

What is NSN 6625-00-982-3926?

NSN 6625-00-982-3926 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 6625-00-982-3926?

NSN 6625-00-982-3926 has 1 cross-referenced part number: 501 (Keithley Instruments, Llc).

What NSN replaces 6625-00-982-3926?

There are 7 known substitutes for 6625-00-982-3926: 6625-00-643-2640, 6625-01-010-4290, 6625-01-024-7721 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 501?

Key specifications for 501: Overall Length: 6.000 INCHES NOMINAL IN; Power Source: INTERNAL; Overall Height: 2.375 INCHES NOMINAL IN; Installation Design: BENCH. 12 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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