PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2851Ohmmeter

Associated Research Incorporated · NSN 6625-00-988-2558 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-988-2558 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-988-2558. Primary manufacturer part number: 2851.
Features
  • Ohmmeter — FSC 6625
  • Supplementary Features: 6 MEGOHM RANGES AT EACH VOLTAGE OF 500 VDC, 100 VDC, 50 VDC; REMOVABLE COVER; HANDLE; TWO 5-FT. TEST LEADS VDC
  • Measurement Range: +0.1 TO 1000000.0 MEGOHMS SINGLE INDICATOR THIRD RANGE
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Measurement Range: +0.2 TO 2000000.0 MEGOHMS SINGLE INDICATOR SECOND RANGE
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR FIRST RANGE
  • Features Provided: PORTABLE
  • Circuit Attachment Method and Quantity: 2 CLIP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ohmmeter, cataloged under National Stock Number 6625-00-988-2558, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Associated Research Incorporated. Government technical data includes 25 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
NSN6625-00-988-2558
Primary Part Number2851
Item NameOhmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerAssociated Research Incorporated
StatusACTIVE
Supplementary Features6 MEGOHM RANGES AT EACH VOLTAGE OF 500 VDC, 100 VDC, 50 VDC; REMOVABLE COVER; HANDLE; TWO 5-FT. TEST LEADS VDC
Measurement Range+0.1 TO 1000000.0 MEGOHMS SINGLE INDICATOR THIRD RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.2 TO 2000000.0 MEGOHMS SINGLE INDICATOR SECOND RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR FIRST RANGE
Features ProvidedPORTABLE
Circuit Attachment Method and Quantity2 CLIP
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Functional DescriptionMEASURE RESISTANCE ON PRINTED CIRCUITS,TRANSISTORS, MINA CIRCUIT COMPONENTS,CABLES, MOTORS,ETC; MEASURE LEAKAKAGE RESISTANCE OF CAPACITORS; MEASURE GROUNDED/UNGROUNDED SECTIONS OF 3-TERMINAL RESISTORS
Style DesignatorPORTABLE
Scale Graduation TypeNONLINEAR SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-5.0 TO 5.0 AT FULL SCALE SINGLE INDICATOR THIRD RANGE
Reference Data and Literature33A1-11-44-1
Scale Selection MethodSWITCH
PhaseSINGLE
Measurement Range+1.0 TO 10000000.0 MEGOHMS SINGLE INDICATOR FIRST RANGE
Operating Voltage Rating in Volts115.0 AC NOMINAL
Accuracy in Percent-5.0 TO 5.0 AT FULL SCALE SINGLE INDICATOR SECOND RANGE
Circuit Current for Which DesignedAC
Frequency Rating60.0 HERTZ NOMINAL
Indicator TypeDIAL W/POINTER
Installation DesignBENCH
Supplementary Features6 MEGOHM RANGES AT EACH VOLTAGE OF 500 VDC, 100 VDC, 50 VDC; REMOVABLE COVER; HANDLE; TWO 5-FT. TEST LEADS VDC
Measurement Range+0.1 TO 1000000.0 MEGOHMS SINGLE INDICATOR THIRD RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeS
Unit of IssueEA
SMR CodeXS
Weight3.0000 lbs
Cube1.1343 cu ft
Verified Substitutes 12
5940-00-027-308710516208-2 INTERCHANGEABLE
Terminal,lug
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5930-00-132-836812093 INTERCHANGEABLE
Switch,push
Kalmar AC Inc
5950-00-219-9865 INTERCHANGEABLE
Coil,radio Frequency
5330-00-390-39372851 INTERCHANGEABLE
Gasket
Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex
5325-00-939-9301 INTERCHANGEABLE
Grommet,nonmetallic
2940-00-976-901042851 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5910-01-008-8455 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
5970-01-100-49382851 INTERCHANGEABLE
Insulation Sleeving,electrical
Cox & Company, Inc. Dba Cox & Co Inc
5315-01-101-05762851 INTERCHANGEABLE
Key,machine
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
4320-01-301-79529510726 INTERCHANGEABLE
Cup,sealing
Mc Farland Pump Co Llc
Cross-Reference Index
Part NumberManufacturer
2851 Associated Research Incorporated (USA)
Related Parts
5940-00-027-3087INTERCHANGEABLE
TERMINAL,LUG
10516208-2
5930-00-132-8368INTERCHANGEABLE
SWITCH,PUSH
12093
5950-00-219-9865INTERCHANGEABLE
COIL,RADIO FREQUENCY
5330-00-390-3937INTERCHANGEABLE
GASKET
2851
5325-00-939-9301INTERCHANGEABLE
GROMMET,NONMETALLIC
2940-00-976-9010INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42851
5910-01-008-8455INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
5970-01-100-4938INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
2851
5315-01-101-0576INTERCHANGEABLE
KEY,MACHINE
2851
4320-01-301-7952INTERCHANGEABLE
CUP,SEALING
9510726
5306-01-503-6502INTERCHANGEABLE
BOLT,MACHINE
28-51
6210-01-545-2783INTERCHANGEABLE
LENS,LIGHT
2851

Frequently Asked Questions

What is NSN 6625-00-988-2558?

NSN 6625-00-988-2558 is a Ohmmeter, manufactured by Associated Research Incorporated, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-988-2558?

NSN 6625-00-988-2558 has 1 cross-referenced part number: 2851 (Associated Research Incorporated).

What NSN replaces 6625-00-988-2558?

There are 12 known substitutes for 6625-00-988-2558: 5940-00-027-3087, 5930-00-132-8368, 5950-00-219-9865 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2851?

Key specifications for 2851: Overall Length: 8.875 INCHES NOMINAL IN; Supplementary Features: 6 MEGOHM RANGES AT EACH VOLTAGE OF 500 VDC, 100 VDC, 50 VDC; REMOVABLE COVER; HANDLE; TWO 5-FT. TEST LEADS VDC; Measurement Range: +0.1 TO 1000000.0 MEGOHMS SINGLE INDICATOR THIRD RANGE; Dial Scale Marking Color: BLACK 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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