PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

493Chamber,environmental Testing

Ransco Industries Inc Sub of Despatch Industries Inc · NSN 6636-00-003-4374 · FSC 6636 · No Item Name Available
Verified by PartsTable
NSN 6636-00-003-4374 — this item is cataloged by the U.S. Government under National Stock Number 6636-00-003-4374. Primary manufacturer part number: 493.
Features
  • Chamber,environmental Testing — FSC 6636
  • Phase: THREE
  • Inside Depth: 72.000 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED
  • Supplementary Features: DESIGNED TO MAINTAIN ANY DESIRED RH BETWEEN 20 AND 95 PCT WITHIN THE TEMP RANGE 35 TO 170 DEG F DEGF
  • Voltage Rating: 220.0 VOLTS NOMINAL
  • Inside Width: 72.000 INCHES NOMINAL IN
  • Environmental Chamber Type: HUMIDITY
Applications
  • Applications requiring Steel Corrosion Resisting Location Not Otherwise Specified construction
General Description

The Chamber,environmental Testing, cataloged under National Stock Number 6636-00-003-4374, is classified within Federal Supply Class 6636 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ransco Industries Inc Sub of Despatch Industries Inc. Government technical data includes 11 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.

Technical Specifications
ParameterValue
NSN6636-00-003-4374
Primary Part Number493
Item NameChamber,environmental Testing
FSC / FSG6636 / 66 — No Item Name Available
ManufacturerRansco Industries Inc Sub of Despatch Industries Inc
StatusACTIVE
PhaseTHREE
Inside Depth72.000 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED
Supplementary FeaturesDESIGNED TO MAINTAIN ANY DESIRED RH BETWEEN 20 AND 95 PCT WITHIN THE TEMP RANGE 35 TO 170 DEG F DEGF
Voltage Rating220.0 VOLTS NOMINAL
Inside Width72.000 INCHES NOMINAL IN
Environmental Chamber TypeHUMIDITY
Frequency Rating60.0 HERTZ NOMINAL
Inside Height72.000 INCHES NOMINAL IN
Current TypeAC
Heating MethodELECTRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5130-00-021-202537879-2 INTERCHANGEABLE
Bit,screwdriver
Magna Div Vermont American Corp
5130-00-038-435349-3 INTERCHANGEABLE
Flexible Shaft Machine,electric
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6625-00-055-4569 INTERCHANGEABLE
Holder,stylus
3110-00-100-032112601853 INTERCHANGEABLE
Cup,tapered Roller Bearing
U S Army Tank Automotive Command Amsta-Im-Mm
6135-00-112-8635493A INTERCHANGEABLE
Battery,nonrechargeable
Batteries in a Flash.com, Inc.
6810-00-227-0423 INTERCHANGEABLE
Phloroglucinol,dihydrate
5305-00-270-291412Z35PC7 INTERCHANGEABLE
Screw,drive
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
1005-00-344-5913 INTERCHANGEABLE
Screw,adjusting,tri
2910-00-377-5548PF906 INTERCHANGEABLE
Filter Element,fluid
Baldwin Filters
6665-00-444-4715 INTERCHANGEABLE
Radiacmeter
Cross-Reference Index
Part NumberManufacturer
493 Ransco Industries Inc Sub of Despatch Industries Inc (USA)
Related Parts
5130-00-021-2025INTERCHANGEABLE
BIT,SCREWDRIVER
37879-2
5130-00-038-4353INTERCHANGEABLE
FLEXIBLE SHAFT MACHINE,ELECTRIC
49-3
6625-00-055-4569INTERCHANGEABLE
HOLDER,STYLUS
3110-00-100-0321INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
12601853
6135-00-112-8635INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
493A
6810-00-227-0423INTERCHANGEABLE
PHLOROGLUCINOL,DIHYDRATE
5305-00-270-2914INTERCHANGEABLE
SCREW,DRIVE
12Z35PC7
1005-00-344-5913INTERCHANGEABLE
SCREW,ADJUSTING,TRI
2910-00-377-5548INTERCHANGEABLE
FILTER ELEMENT,FLUID
PF906
6665-00-444-4715INTERCHANGEABLE
RADIACMETER
5996-00-499-3547INTERCHANGEABLE
AMPLIFIER,ELECTRONIC CONTROL
493
3030-00-529-1207INTERCHANGEABLE
BELT,V
156

Frequently Asked Questions

What is NSN 6636-00-003-4374?

NSN 6636-00-003-4374 is a Chamber,environmental Testing, manufactured by Ransco Industries Inc Sub of Despatch Industries Inc, classified under FSC 6636 (No Item Name Available). Status: active.

What are the part numbers for NSN 6636-00-003-4374?

NSN 6636-00-003-4374 has 1 cross-referenced part number: 493 (Ransco Industries Inc Sub of Despatch Industries Inc).

What NSN replaces 6636-00-003-4374?

There are 12 known substitutes for 6636-00-003-4374: 5130-00-021-2025, 5130-00-038-4353, 6625-00-055-4569 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 493?

Key specifications for 493: Phase: THREE; Inside Depth: 72.000 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED; Supplementary Features: DESIGNED TO MAINTAIN ANY DESIRED RH BETWEEN 20 AND 95 PCT WITHIN THE TEMP RANGE 35 TO 170 DEG F DEGF. 11 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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