PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20773537Heater and Air Conditioner Assem

Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations · NSN 2590-01-553-2200 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-01-553-2200 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-553-2200. Primary manufacturer part number: 20773537.
Features
  • Heater and Air Conditioner Assem — FSC 2590
  • 4 verified cross-references
  • Primary manufacturer: Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater and Air Conditioner Assem, cataloged under National Stock Number 2590-01-553-2200, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2590-01-553-2200
Primary Part Number20773537
Item NameHeater and Air Conditioner Assem
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerMack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5835-00-235-2950 INTERCHANGEABLE
Head,magnetic
6625-00-355-9821 INTERCHANGEABLE
Probe,test
Cross-Reference Index
Part NumberManufacturer
20773537 PRIMARY Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
1002921 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
2RD567M5 Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
2RD 560M5 Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
Related Parts
5835-00-235-2950INTERCHANGEABLE
HEAD,MAGNETIC
6625-00-355-9821INTERCHANGEABLE
PROBE,TEST

Frequently Asked Questions

What is NSN 2590-01-553-2200?

NSN 2590-01-553-2200 is a Heater and Air Conditioner Assem, manufactured by Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-01-553-2200?

NSN 2590-01-553-2200 has 4 cross-referenced part numbers: 20773537 (Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations), 1002921 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 2RD567M5 (Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations), 2RD 560M5 (Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations).

What NSN replaces 2590-01-553-2200?

There are 2 known substitutes for 2590-01-553-2200: 5835-00-235-2950, 6625-00-355-9821. Verify interchangeability with system specifications before substitution.

What are the specifications of 20773537?

Key specifications for 20773537: Part Name Assigned by Controlling Agency: COMPLETE HEATER AND AIR CONDITIONER ASSEMBLY; End Item Identification: 2320-01-529-2251 BOMB SERVICE TRUCK; MRAP BUFFALO MK2A2. 2 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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