PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SW1B05-110421Heater,fluid,industrial

Aerco International, Inc. Dba Aerco International Inc · NSN 4420-01-134-3434 · FSC 4420 · No Item Name Available
Verified by PartsTable
NSN 4420-01-134-3434 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-134-3434. Primary manufacturer part number: SW1B05-110421.
Features
  • Heater,fluid,industrial — FSC 4420
  • Material: STEEL CORROSION RESISTING AND COPPER ALLOY HOUSING
  • Diameter: 17.000 INCHES NOMINAL IN
  • Tube Quantity: 5
  • Specification/standard Data: 81349-MIL-H-22881 GOVERNMENT SPECIFICATION
  • Rated Capacity at Maximum Working Pressure: 1090.0 GALLONS PER HOUR
  • Material: STEEL CORROSION RESISTING AND COPPER ALLOY SHELL
  • Nondefinitive Spec/std Data: 1 TYPE AND A CLASS
Applications
  • Applications requiring Steel Corrosion Resisting and Copper Alloy Housing construction
General Description

The Heater,fluid,industrial, cataloged under National Stock Number 4420-01-134-3434, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4420-01-134-3434
Primary Part NumberSW1B05-110421
Item NameHeater,fluid,industrial
FSC / FSG4420 / 44 — No Item Name Available
ManufacturerAerco International, Inc. Dba Aerco International Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING AND COPPER ALLOY HOUSING
Diameter17.000 INCHES NOMINAL IN
Tube Quantity5
Specification/standard Data81349-MIL-H-22881 GOVERNMENT SPECIFICATION
Rated Capacity at Maximum Working Pressure1090.0 GALLONS PER HOUR
MaterialSTEEL CORROSION RESISTING AND COPPER ALLOY SHELL
Nondefinitive Spec/std Data1 TYPE AND A CLASS
Maximum Steam Working PressureERR-060
Length59.375 INCHES NOMINAL IN
Heat Transfer MethodINDIRECT
Capacity Rating1308.0 GALLONS PER HOUR
Style DesignatorCOILED PLAIN TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-156-71661 1/4 CXT PT NO 122001-125 INTERCHANGEABLE
Valve,regulating,temperature
Aerco International, Inc. Dba Aerco International Inc
Cross-Reference Index
Part NumberManufacturer
SD-A-015-46 Aerco International, Inc. Dba Aerco International Inc (USA)
SW1B05-110421 PRIMARY Aerco International, Inc. Dba Aerco International Inc (USA)
SD-A-015-49 Aerco International, Inc. Dba Aerco International Inc (USA)
Related Parts
4820-01-156-7166INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
1 1/4 CXT PT NO 122001-125

Frequently Asked Questions

What is NSN 4420-01-134-3434?

NSN 4420-01-134-3434 is a Heater,fluid,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 4420-01-134-3434?

NSN 4420-01-134-3434 has 3 cross-referenced part numbers: SD-A-015-46 (Aerco International, Inc. Dba Aerco International Inc), SW1B05-110421 (Aerco International, Inc. Dba Aerco International Inc), SD-A-015-49 (Aerco International, Inc. Dba Aerco International Inc).

What NSN replaces 4420-01-134-3434?

There is 1 known substitute for 4420-01-134-3434: 4820-01-156-7166. Verify interchangeability with system specifications before substitution.

What are the specifications of SW1B05-110421?

Key specifications for SW1B05-110421: Material: STEEL CORROSION RESISTING AND COPPER ALLOY HOUSING; Diameter: 17.000 INCHES NOMINAL IN; Tube Quantity: 5; Specification/standard Data: 81349-MIL-H-22881 GOVERNMENT SPECIFICATION. 12 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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