PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4287Bridge,resistance

Leeds and Northrup Co a Unit of General Signal Corp · NSN 6625-00-134-2997 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-134-2997 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-134-2997. Primary manufacturer part number: 4287.
Features
  • Bridge,resistance — FSC 6625
  • Adjustment Method: SLIDE WIRE AND VARIABLE RESISTOR
  • Scale Calibration: 0.0001 TO 110.100 OHMS
  • Supplementary Features: PRECISION DC KELVIN BRIDGE DESIGNED FOR LOW-RESISTANCE MEASUREMENTS; PORTABLE; ONE ARM FIXED 10KOHM, OTHER ARM IS 2 DECADES AND SLIDEWIRE
  • Oscillator Location: EXTERNAL
  • Adjustment Method: SLIDE WIRE AND VARIABLE RESISTOR
  • Scale Calibration: 0.0001 TO 110.100 OHMS
  • Supplementary Features: PRECISION DC KELVIN BRIDGE DESIGNED FOR LOW-RESISTANCE MEASUREMENTS; PORTABLE; ONE ARM FIXED 10KOHM, OTHER ARM IS 2 DECADES AND SLIDEWIRE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bridge,resistance, cataloged under National Stock Number 6625-00-134-2997, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Leeds and Northrup Co a Unit of General Signal Corp. Government technical data includes 8 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-134-2997
Primary Part Number4287
Item NameBridge,resistance
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerLeeds and Northrup Co a Unit of General Signal Corp
StatusACTIVE
Adjustment MethodSLIDE WIRE AND VARIABLE RESISTOR
Scale Calibration0.0001 TO 110.100 OHMS
Supplementary FeaturesPRECISION DC KELVIN BRIDGE DESIGNED FOR LOW-RESISTANCE MEASUREMENTS; PORTABLE; ONE ARM FIXED 10KOHM, OTHER ARM IS 2 DECADES AND SLIDEWIRE
Oscillator LocationEXTERNAL
Adjustment MethodSLIDE WIRE AND VARIABLE RESISTOR
Scale Calibration0.0001 TO 110.100 OHMS
Supplementary FeaturesPRECISION DC KELVIN BRIDGE DESIGNED FOR LOW-RESISTANCE MEASUREMENTS; PORTABLE; ONE ARM FIXED 10KOHM, OTHER ARM IS 2 DECADES AND SLIDEWIRE
Oscillator LocationEXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-00-076-8958 (10106197)
HAZMATNo
Shelf Life Code0
Criticality CodeS
Unit of IssueEA
SMR CodeVS
Weight34.3000 lbs
Cube4.5356 cu ft
Verified Substitutes 10
6145-00-076-895810106197 SUCCESSOR
Cable,special Purpose,electrical
Us Army Aviation and Missile Command
6145-01-347-41144287 SUCCESSOR
Cable,special Purpose,electrical
Champlain Cable Leeds Corporation
5355-00-468-69184287 INTERCHANGEABLE
Pointer,dial
Simmonds Precision Products Inc
5950-00-648-3267666113 INTERCHANGEABLE
Reactor
Lockheed Martin Corporation Div Rms - Mitchel Field
6105-00-801-2609 INTERCHANGEABLE
Motor,alternating Current
5985-01-081-8450TRM-2444-F0-SMA-02 INTERCHANGEABLE
Dummy Load,electrical
Cinch Connectivity Solutions Inc
5305-01-288-5718 INTERCHANGEABLE
Setscrew
5305-01-292-99379-086-100087 INTERCHANGEABLE
Setscrew
Grove U.s. Llc Dba Grove Us Llc
5920-01-302-59444287 INTERCHANGEABLE
Fuseholder,block
Cooper Bussmann, Llc Dba Cooper Industries
6850-01-363-47704287-34 INTERCHANGEABLE
Cleaning Compound,solvent
Nu-Calgon Wholesaler Inc
Cross-Reference Index
Part NumberManufacturer
4287 Leeds and Northrup Co a Unit of General Signal Corp (USA)
Related Parts
SUCCESSOR 6145-00-076-8958 Cable,special Purpose,electrical · 10106197
6145-01-347-4114SUCCESSOR
CABLE,SPECIAL PURPOSE,ELECTRICAL
4287
5355-00-468-6918INTERCHANGEABLE
POINTER,DIAL
4287
5950-00-648-3267INTERCHANGEABLE
REACTOR
666113
6105-00-801-2609INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5985-01-081-8450INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
TRM-2444-F0-SMA-02
5305-01-288-5718INTERCHANGEABLE
SETSCREW
5305-01-292-9937INTERCHANGEABLE
SETSCREW
9-086-100087
5920-01-302-5944INTERCHANGEABLE
FUSEHOLDER,BLOCK
4287
6850-01-363-4770INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT
4287-34

Frequently Asked Questions

What is NSN 6625-00-134-2997?

NSN 6625-00-134-2997 is a Bridge,resistance, manufactured by Leeds and Northrup Co a Unit of General Signal Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-134-2997?

NSN 6625-00-134-2997 has 1 cross-referenced part number: 4287 (Leeds and Northrup Co a Unit of General Signal Corp).

What NSN replaces 6625-00-134-2997?

There are 10 known substitutes for 6625-00-134-2997: 6145-00-076-8958, 6145-01-347-4114, 5355-00-468-6918 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4287?

Key specifications for 4287: Adjustment Method: SLIDE WIRE AND VARIABLE RESISTOR; Scale Calibration: 0.0001 TO 110.100 OHMS; Overall Width: 11.500 INCHES NOMINAL IN; Overall Depth: 7.500 INCHES NOMINAL IN. 14 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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