PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51442Furnace,muffle,laboratory

Spx Corporation · NSN 6640-00-774-1208 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-774-1208 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-774-1208. Primary manufacturer part number: 51442.
Features
  • Furnace,muffle,laboratory — FSC 6640
  • Inside Depth: 14.000 INCHES NOMINAL IN
  • Inside Width: 7.550 INCHES NOMINAL IN
  • Accessory Components and Quantity: HIGH-TEMP WIRE HEATING ELEMENTS;THERMOCOUPLE;6 FOOT POWER CABLE FT
  • Operating Temp Range: +32.0 TO 1150.0 CELSIUS DEGC
  • Heat Source for Which Designed: INTEGRAL
  • Insulated Cabinet: PROVIDED
  • Phase: SINGLE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Furnace,muffle,laboratory, cataloged under National Stock Number 6640-00-774-1208, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Spx Corporation. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-00-774-1208
Primary Part Number51442
Item NameFurnace,muffle,laboratory
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerSpx Corporation
StatusACTIVE
Inside Depth14.000 INCHES NOMINAL IN
Inside Width7.550 INCHES NOMINAL IN
Accessory Components and QuantityHIGH-TEMP WIRE HEATING ELEMENTS;THERMOCOUPLE;6 FOOT POWER CABLE FT
Operating Temp Range+32.0 TO 1150.0 CELSIUS DEGC
Heat Source for Which DesignedINTEGRAL
Insulated CabinetPROVIDED
PhaseSINGLE
Heating MethodELECTRICAL
Water JacketNOT PROVIDED
Inside Height5.250 INCHES NOMINAL IN
Circulation MethodFORCED AIR
Power Rating4900.0 WATTS MAXIMUM
Control TypeTHERMOMETER-REGULATOR
Voltage Rating230.0 VOLTS NOMINAL
Current TypeAC
Frequency Rating60.0 HERTZ NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5110-00-277-98091280N INTERCHANGEABLE
Punch,cutting,single Bow
General Tools Manufacturing Co., Llc.
6685-00-435-319949-22368 INTERCHANGEABLE
Manometer,inclined Tube
Johnson Controls, Inc Div Building Efficiency
4820-00-903-09185144 INTERCHANGEABLE
Thermal Element,temperature Regu
Aerco International, Inc. Dba Aerco International Inc
9905-01-044-883051442 INTERCHANGEABLE
Plate,instruction
Rotary Vacuum Pumps Inc
Cross-Reference Index
Part NumberManufacturer
5317B11 Arthur H. Thomas Company (USA)
10-549-110C Fisher Scientific Company L.l.c. (USA)
30711-063 Vwr International Inc Dba Vwr Scientific (USA)
51442 PRIMARY Spx Corporation (USA)
S36991 Sargent-Welch Scientific Co (USA)
129-627 Curtin Matheson Scientific Inc (USA)
Related Parts
5110-00-277-9809INTERCHANGEABLE
PUNCH,CUTTING,SINGLE BOW
1280N
6685-00-435-3199INTERCHANGEABLE
MANOMETER,INCLINED TUBE
49-22368
4820-00-903-0918INTERCHANGEABLE
THERMAL ELEMENT,TEMPERATURE REGU
5144
9905-01-044-8830INTERCHANGEABLE
PLATE,INSTRUCTION
51442

Frequently Asked Questions

What is NSN 6640-00-774-1208?

NSN 6640-00-774-1208 is a Furnace,muffle,laboratory, manufactured by Spx Corporation, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-00-774-1208?

NSN 6640-00-774-1208 has 6 cross-referenced part numbers: 5317B11 (Arthur H. Thomas Company), 10-549-110C (Fisher Scientific Company L.l.c.), 30711-063 (Vwr International Inc Dba Vwr Scientific), 51442 (Spx Corporation), S36991 (Sargent-Welch Scientific Co) and 1 more.

What NSN replaces 6640-00-774-1208?

There are 4 known substitutes for 6640-00-774-1208: 5110-00-277-9809, 6685-00-435-3199, 4820-00-903-0918 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51442?

Key specifications for 51442: Inside Depth: 14.000 INCHES NOMINAL IN; Inside Width: 7.550 INCHES NOMINAL IN; Accessory Components and Quantity: HIGH-TEMP WIRE HEATING ELEMENTS;THERMOCOUPLE;6 FOOT POWER CABLE FT; Operating Temp Range: +32.0 TO 1150.0 CELSIUS DEGC. 16 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