PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8708Furnace,muffle,laboratory

Curtin Matheson Scientific Inc · NSN 6640-00-213-5606 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-213-5606 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-213-5606. Primary manufacturer part number: 8708.
Features
  • Furnace,muffle,laboratory — FSC 6640
  • Heat Source for Which Designed: INTEGRAL
  • Power Rating: 8500.0 WATTS MAXIMUM
  • Inside Height: 4.750 INCHES NOMINAL IN
  • Voltage Rating: 230.0 VOLTS NOMINAL
  • Insulated Cabinet: PROVIDED
  • Material: STEEL CABINET INNER WALL
  • Phase: SINGLE
Applications
  • Applications requiring Steel Cabinet Inner Wall construction
General Description

The Furnace,muffle,laboratory, cataloged under National Stock Number 6640-00-213-5606, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Curtin Matheson Scientific Inc. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-00-213-5606
Primary Part Number8708
Item NameFurnace,muffle,laboratory
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerCurtin Matheson Scientific Inc
StatusACTIVE
Heat Source for Which DesignedINTEGRAL
Power Rating8500.0 WATTS MAXIMUM
Inside Height4.750 INCHES NOMINAL IN
Voltage Rating230.0 VOLTS NOMINAL
Insulated CabinetPROVIDED
MaterialSTEEL CABINET INNER WALL
PhaseSINGLE
MaterialSTEEL CABINET OUTER WALL
Cabinet Mounting TypeSTAND
MaterialSTEEL OUTER DOOR
Outer Door Quantity1
Inside Depth12.000 INCHES NOMINAL IN
Frequency Rating60.0 HERTZ NOMINAL
Current TypeAC
Outside Height26.000 INCHES NOMINAL IN
Outside Depth28.250 INCHES NOMINAL IN
Inside Width6.0000 INCHES NOMINAL IN
Heating MethodELECTRICAL
Control TypeTEMPERATURE CONTROL DIAL
Outside Width31.750 INCHES NOMINAL IN
Accessory Components and Quantity10 SILICON CARBIDE HEATING ELEMENTS, PYROMETER TEMPERATURE CONTROLLER
Water JacketNOT PROVIDED
Cooling Coils for Below Room Temp UseNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2990-00-052-8963T-8708 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5831-00-058-8054 INTERCHANGEABLE
Control,public Address Set
5306-00-407-6427 INTERCHANGEABLE
Bolt,machine
4440-00-409-5185 INTERCHANGEABLE
Dehydrator Assy
5360-00-446-92638708 INTERCHANGEABLE
Spring,helical,compression
Northrop Grumman Systems Corporation Div Marine Systems
1620-00-970-29158708 INTERCHANGEABLE
Bushing,torque Shaf
Goodrich Corporation
5331-01-136-861551939 INTERCHANGEABLE
O-Ring
L3 Technologies, Inc. Div L3 Keo
6150-01-194-3699 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cross-Reference Index
Part NumberManufacturer
8708 Curtin Matheson Scientific Inc (USA)
51939 General Signal Corp Lindberg Unit (USA)
Related Parts
2990-00-052-8963INTERCHANGEABLE
MUFFLER,EXHAUST
T-8708
5831-00-058-8054INTERCHANGEABLE
CONTROL,PUBLIC ADDRESS SET
5306-00-407-6427INTERCHANGEABLE
BOLT,MACHINE
4440-00-409-5185INTERCHANGEABLE
DEHYDRATOR ASSY
5360-00-446-9263INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
8708
1620-00-970-2915INTERCHANGEABLE
BUSHING,TORQUE SHAF
8708
5331-01-136-8615INTERCHANGEABLE
O-RING
51939
6150-01-194-3699INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E

Frequently Asked Questions

What is NSN 6640-00-213-5606?

NSN 6640-00-213-5606 is a Furnace,muffle,laboratory, manufactured by Curtin Matheson Scientific Inc, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-00-213-5606?

NSN 6640-00-213-5606 has 2 cross-referenced part numbers: 8708 (Curtin Matheson Scientific Inc), 51939 (General Signal Corp Lindberg Unit).

What NSN replaces 6640-00-213-5606?

There are 8 known substitutes for 6640-00-213-5606: 2990-00-052-8963, 5831-00-058-8054, 5306-00-407-6427 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8708?

Key specifications for 8708: Heat Source for Which Designed: INTEGRAL; Power Rating: 8500.0 WATTS MAXIMUM; Inside Height: 4.750 INCHES NOMINAL IN; Voltage Rating: 230.0 VOLTS NOMINAL. 24 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