PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D-D-420 TY1Dish,evaporating

General Services Administration Federal Supply Service · NSN 6640-00-290-6843 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-290-6843 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-290-6843. Primary manufacturer part number: D-D-420 TY1.
Features
  • Dish,evaporating — FSC 6640
  • Nondefinitive Spec/std Data: 1 TYPE
  • Material: PORCELAIN
  • Capacity Rating: 80.000 MILLILITERS NOMINAL
  • Inside Diameter: 80.00 MILLIMETERS NOMINAL MM
  • 3 verified cross-references
  • Primary manufacturer: General Services Administration Federal Supply Service
Applications
  • Applications requiring Porcelain construction
General Description

The Dish,evaporating, cataloged under National Stock Number 6640-00-290-6843, 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 Services Administration Federal Supply Service. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN6640-00-290-6843
Primary Part NumberD-D-420 TY1
Item NameDish,evaporating
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Nondefinitive Spec/std Data1 TYPE
MaterialPORCELAIN
Capacity Rating80.000 MILLILITERS NOMINAL
Inside Diameter80.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-235-7095 INTERCHANGEABLE
Reactor
6640-00-290-684229-1200-09 INTERCHANGEABLE
Dish,evaporating
J & H Berge, Inc. Dba Lab Mart, the Div the Labmart
6640-00-290-6846 INTERCHANGEABLE
Dish,evaporating
5930-00-470-0300 INTERCHANGEABLE
Switch,electrical
5360-00-738-07088690 INTERCHANGEABLE
Spring,helical,compression
Circor Aerospace, Inc. Div Circor
5120-00-966-8243220606 INTERCHANGEABLE
Nozzle,caulking Gun
Prc - Desoto International, Inc. Dba Prc-Desoto International, Inc Div Asc-Indianapolis
4930-00-975-95418690 INTERCHANGEABLE
Oiler,hand
Gc/waldom Inc
6685-00-987-3834 INTERCHANGEABLE
Tester,pyrometer and Thermocoupl
4820-01-263-95568690-6 ITEM 2 INTERCHANGEABLE
Disk,valve
William E Williams Valve Corp
4820-01-264-06788690-6 IN ITEM 8 INTERCHANGEABLE
Seat,valve
William E Williams Valve Corp
Cross-Reference Index
Part NumberManufacturer
D-D-420 TY1 General Services Administration Federal Supply Service (USA)
8-690 Fisher Scientific Company L.l.c. (USA)
D-D-420 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5950-00-235-7095INTERCHANGEABLE
REACTOR
6640-00-290-6842INTERCHANGEABLE
DISH,EVAPORATING
29-1200-09
6640-00-290-6846INTERCHANGEABLE
DISH,EVAPORATING
5930-00-470-0300INTERCHANGEABLE
SWITCH,ELECTRICAL
5360-00-738-0708INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
8690
5120-00-966-8243INTERCHANGEABLE
NOZZLE,CAULKING GUN
220606
4930-00-975-9541INTERCHANGEABLE
OILER,HAND
8690
6685-00-987-3834INTERCHANGEABLE
TESTER,PYROMETER AND THERMOCOUPL
4820-01-263-9556INTERCHANGEABLE
DISK,VALVE
8690-6 ITEM 2
4820-01-264-0678INTERCHANGEABLE
SEAT,VALVE
8690-6 IN ITEM 8
4820-01-273-1410INTERCHANGEABLE
DISK,VALVE
8690-5 IN ITEM 2
3040-01-309-4149INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
8-690

Frequently Asked Questions

What is NSN 6640-00-290-6843?

NSN 6640-00-290-6843 is a Dish,evaporating, manufactured by General Services Administration Federal Supply Service, classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-00-290-6843?

NSN 6640-00-290-6843 has 3 cross-referenced part numbers: D-D-420 TY1 (General Services Administration Federal Supply Service), 8-690 (Fisher Scientific Company L.l.c.), D-D-420 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 6640-00-290-6843?

There are 12 known substitutes for 6640-00-290-6843: 5950-00-235-7095, 6640-00-290-6842, 6640-00-290-6846 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D-D-420 TY1?

Key specifications for D-D-420 TY1: Nondefinitive Spec/std Data: 1 TYPE; Material: PORCELAIN; Capacity Rating: 80.000 MILLILITERS NOMINAL; Special Features: GLAZED INSIDE AND OUTSIDE EXCEPT RIM. 5 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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