PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51333Furnace,muffle,laboratory

General Signal Corp Lindberg Unit · NSN 6640-01-026-5601 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-026-5601 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-026-5601. Primary manufacturer part number: 51333.
Features
  • Furnace,muffle,laboratory — FSC 6640
  • Heating Method: ELECTRICAL
  • Inside Height: 5.000 INCHES NOMINAL IN
  • Voltage Rating: 220.0 VOLTS NOMINAL
  • Operating Temp Range: +0.0 TO 1500.0 CELSIUS DEGC
  • Power Rating: 5900.0 WATTS MAXIMUM
  • Heat Source for Which Designed: INTEGRAL
  • Insulated Cabinet: PROVIDED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Furnace,muffle,laboratory, cataloged under National Stock Number 6640-01-026-5601, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is General Signal Corp Lindberg Unit. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-01-026-5601
Primary Part Number51333
Item NameFurnace,muffle,laboratory
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerGeneral Signal Corp Lindberg Unit
StatusACTIVE
Heating MethodELECTRICAL
Inside Height5.000 INCHES NOMINAL IN
Voltage Rating220.0 VOLTS NOMINAL
Operating Temp Range+0.0 TO 1500.0 CELSIUS DEGC
Power Rating5900.0 WATTS MAXIMUM
Heat Source for Which DesignedINTEGRAL
Insulated CabinetPROVIDED
Water JacketNOT PROVIDED
Mounting MethodHINGE INNER DOOR
Circulation MethodANY ACCEPTABLE
Outer Door Quantity1
PhaseSINGLE
Outer Door Insulation FeatureINCLUDED
Inside Width6.000 INCHES NOMINAL IN
Frequency Rating60.0 HERTZ NOMINAL
Current TypeAC
Inside Depth12.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5360-00-018-488651333 INTERCHANGEABLE
Spring,helical,compression
Woodward Hrt Inc
5330-00-135-6383 INTERCHANGEABLE
Gasket
5310-00-205-9983116103 INTERCHANGEABLE
Washer,flat
Chrysler Realty Company Llc Dba Daimler Chrysler
5340-00-270-8540 INTERCHANGEABLE
Button,plug
5310-00-596-7599MS15795-514 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6160-01-091-5392116103 R INTERCHANGEABLE
Battery Box
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
5998-01-128-8499116103 INTERCHANGEABLE
Circuit Card Assembly
Scientific Atlanta Inc
Cross-Reference Index
Part NumberManufacturer
51333 General Signal Corp Lindberg Unit (USA)
10-549-115 Fisher Scientific Company L.l.c. (USA)
0220D01 Arthur H. Thomas Company (USA)
116-103 Curtin Matheson Scientific Inc (USA)
5317-B24 Arthur H. Thomas Company (USA)
30712-055 Vwr International Inc Dba Vwr Scientific (USA)
S37005-03 Sargent-Welch Scientific Co (USA)
Related Parts
5360-00-018-4886INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
51333
5330-00-135-6383INTERCHANGEABLE
GASKET
5310-00-205-9983INTERCHANGEABLE
WASHER,FLAT
116103
5340-00-270-8540INTERCHANGEABLE
BUTTON,PLUG
5310-00-596-7599INTERCHANGEABLE
WASHER,FLAT
MS15795-514
6160-01-091-5392INTERCHANGEABLE
BATTERY BOX
116103 R
5998-01-128-8499INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
116103

Frequently Asked Questions

What is NSN 6640-01-026-5601?

NSN 6640-01-026-5601 is a Furnace,muffle,laboratory, manufactured by General Signal Corp Lindberg Unit, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-026-5601?

NSN 6640-01-026-5601 has 7 cross-referenced part numbers: 51333 (General Signal Corp Lindberg Unit), 10-549-115 (Fisher Scientific Company L.l.c.), 0220D01 (Arthur H. Thomas Company), 116-103 (Curtin Matheson Scientific Inc), 5317-B24 (Arthur H. Thomas Company) and 2 more.

What NSN replaces 6640-01-026-5601?

There are 7 known substitutes for 6640-01-026-5601: 5360-00-018-4886, 5330-00-135-6383, 5310-00-205-9983 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51333?

Key specifications for 51333: Heating Method: ELECTRICAL; Inside Height: 5.000 INCHES NOMINAL IN; Voltage Rating: 220.0 VOLTS NOMINAL; Operating Temp Range: +0.0 TO 1500.0 CELSIUS DEGC. 21 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com