PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-33-1AShell,fluid Heater,industrial

Aerco International, Inc. Dba Aerco International Inc · NSN 4420-01-235-3636 · FSC 4420 · No Item Name Available
Verified by PartsTable
NSN 4420-01-235-3636 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-235-3636. Primary manufacturer part number: B-33-1A.
Features
  • Shell,fluid Heater,industrial — FSC 4420
  • Style Designator: PLAIN WITH FLANGE
  • Material: STEEL SHELL
  • 1 verified cross-reference
  • Primary manufacturer: Aerco International, Inc. Dba Aerco International Inc
Applications
  • Applications requiring Steel Shell construction
General Description

The Shell,fluid Heater,industrial, cataloged under National Stock Number 4420-01-235-3636, is classified within Federal Supply Class 4420 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Aerco International, Inc. Dba Aerco International Inc. Government technical data includes 2 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4420-01-235-3636
Primary Part NumberB-33-1A
Item NameShell,fluid Heater,industrial
FSC / FSG4420 / 44 — No Item Name Available
ManufacturerAerco International, Inc. Dba Aerco International Inc
StatusACTIVE
Style DesignatorPLAIN WITH FLANGE
MaterialSTEEL SHELL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
8455-01-524-1821 INTERCHANGEABLE
Insignia,grade,enlisted Personne
8455-01-524-1845 INTERCHANGEABLE
Insignia,grade,enlisted Personne
8455-01-524-1878 INTERCHANGEABLE
Insignia,grade,enlisted Personne
Cross-Reference Index
Part NumberManufacturer
B-33-1A PRIMARY Aerco International, Inc. Dba Aerco International Inc (USA)
Related Parts
8455-01-524-1821INTERCHANGEABLE
INSIGNIA,GRADE,ENLISTED PERSONNE
8455-01-524-1845INTERCHANGEABLE
INSIGNIA,GRADE,ENLISTED PERSONNE
8455-01-524-1878INTERCHANGEABLE
INSIGNIA,GRADE,ENLISTED PERSONNE

Frequently Asked Questions

What is NSN 4420-01-235-3636?

NSN 4420-01-235-3636 is a Shell,fluid Heater,industrial, manufactured by Aerco International, Inc. Dba Aerco International Inc, classified under FSC 4420 (No Item Name Available). Status: active.

What are the part numbers for NSN 4420-01-235-3636?

NSN 4420-01-235-3636 has 1 cross-referenced part number: B-33-1A (Aerco International, Inc. Dba Aerco International Inc).

What NSN replaces 4420-01-235-3636?

There are 3 known substitutes for 4420-01-235-3636: 8455-01-524-1821, 8455-01-524-1845, 8455-01-524-1878. Verify interchangeability with system specifications before substitution.

What are the specifications of B-33-1A?

Key specifications for B-33-1A: Style Designator: PLAIN WITH FLANGE; End Item Identification: AERCO INTERNATIONAL HEAT EXCHANGER; MODEL SW1B06AERCO INTERNATIONAL HEAT EXCHANGER; MODEL SW1B06; Special Features: C/O 5 COILS; LINED WITH COPPERC/O 5 COILS; LINED WITH COPPER; Material: STEEL SHELL. 4 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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