PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11149Heat Exchanger

Avitest Llc · NSN 4420-01-141-5989 · FSC 4420 · No Item Name Available
Verified by PartsTable
NSN 4420-01-141-5989 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-141-5989. Primary manufacturer part number: 11149.
Features
  • Heat Exchanger — FSC 4420
  • General Characteristics Item Description: CONSISTS OF 1 CORE ASSEMBLY,1 BONNET,1 BONNET - REV,2 CRADLES,1 GASKET,1 GASKET - REV,16 CAPSCREWS,2 PIPE PLUGS AND 16 HEX NUTS; 3.000 FEET 5 1/8 IN. LG; 7.750 IN. DIAMETER; RUGGED STEEL SHELL IN
  • 4 verified cross-references
  • Primary manufacturer: Avitest Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heat Exchanger, cataloged under National Stock Number 4420-01-141-5989, 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 Avitest Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4420-01-141-5989
Primary Part Number11149
Item NameHeat Exchanger
FSC / FSG4420 / 44 — No Item Name Available
ManufacturerAvitest Llc
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF 1 CORE ASSEMBLY,1 BONNET,1 BONNET - REV,2 CRADLES,1 GASKET,1 GASKET - REV,16 CAPSCREWS,2 PIPE PLUGS AND 16 HEX NUTS; 3.000 FEET 5 1/8 IN. LG; 7.750 IN. DIAMETER; RUGGED STEEL SHELL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2520-00-127-146411149 INTERCHANGEABLE
Arm
Komatsu America Corporation
3120-00-148-210511149 INTERCHANGEABLE
Bearing,sleeve
Rps-Fl, Inc. Dba Rps Inc
3120-00-371-637111-149 INTERCHANGEABLE
Bearing,sleeve
Dresser Industries Inc Leroi Div
5905-00-501-5191 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
5330-00-618-982411149 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
5340-00-632-325811149 INTERCHANGEABLE
Plug,vent
Fluid Conditioning Products, Inc.
6105-00-669-5392 INTERCHANGEABLE
Motor,alternating Current
5965-00-807-242811149 INTERCHANGEABLE
Microphone,dynamic
Astrocom Electronics Inc
5365-00-831-247811149 INTERCHANGEABLE
Shim Set
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
4920-00-876-496611149 INTERCHANGEABLE
Capsule,static
Elbitamerica, Inc.
Cross-Reference Index
Part NumberManufacturer
11149 Avitest Llc (USA)
1500-06-036-005 Api Heat Transfer Inc. (USA)
2A05A06036 American Precision Industries Inc Basco Div (USA)
06036S4TYPE 500 American Precision Industries Inc Basco Div (USA)
Related Parts
2520-00-127-1464INTERCHANGEABLE
ARM
11149
3120-00-148-2105INTERCHANGEABLE
BEARING,SLEEVE
11149
3120-00-371-6371INTERCHANGEABLE
BEARING,SLEEVE
11-149
5905-00-501-5191INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
5330-00-618-9824INTERCHANGEABLE
GASKET
11149
5340-00-632-3258INTERCHANGEABLE
PLUG,VENT
11149
6105-00-669-5392INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5965-00-807-2428INTERCHANGEABLE
MICROPHONE,DYNAMIC
11149
5365-00-831-2478INTERCHANGEABLE
SHIM SET
11149
4920-00-876-4966INTERCHANGEABLE
CAPSULE,STATIC
11149
6240-01-344-4826INTERCHANGEABLE
LAMP,METAL HALIDE
MVT325/C/I/U/WM

Frequently Asked Questions

What is NSN 4420-01-141-5989?

NSN 4420-01-141-5989 is a Heat Exchanger, manufactured by Avitest Llc, classified under FSC 4420 (No Item Name Available). Status: active.

What are the part numbers for NSN 4420-01-141-5989?

NSN 4420-01-141-5989 has 4 cross-referenced part numbers: 11149 (Avitest Llc), 1500-06-036-005 (Api Heat Transfer Inc.), 2A05A06036 (American Precision Industries Inc Basco Div), 06036S4TYPE 500 (American Precision Industries Inc Basco Div).

What NSN replaces 4420-01-141-5989?

There are 11 known substitutes for 4420-01-141-5989: 2520-00-127-1464, 3120-00-148-2105, 3120-00-371-6371 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11149?

Key specifications for 11149: End Item Identification: HYDRALIC COMPONENT TEST STAND; General Characteristics Item Description: CONSISTS OF 1 CORE ASSEMBLY,1 BONNET,1 BONNET - REV,2 CRADLES,1 GASKET,1 GASKET - REV,16 CAPSCREWS,2 PIPE PLUGS AND 16 HEX NUTS; 3.000 FEET 5 1/8 IN. LG; 7.750 IN. DIAMETER; RUGGED STEEL SHELL IN. 2 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