PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

002653Core Assembly,heat Exchanger

Hayden Inc · NSN 4920-01-051-2861 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-051-2861 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-051-2861. Primary manufacturer part number: 002653.
Features
  • Core Assembly,heat Exchanger — FSC 4920
  • 2 verified cross-references
  • Primary manufacturer: Hayden Inc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Core Assembly,heat Exchanger, cataloged under National Stock Number 4920-01-051-2861, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Hayden Inc. This item has 2 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
NSN4920-01-051-2861
Primary Part Number002653
Item NameCore Assembly,heat Exchanger
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerHayden Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-124-383155-6002 INTERCHANGEABLE
Disk,valve
Aerocontrolex Group, Inc. Dba Aero Fluid Products
5920-01-171-7477 INTERCHANGEABLE
Fuseholder,block
Cross-Reference Index
Part NumberManufacturer
002653 PRIMARY Hayden Inc (USA)
55600-2 Hamilton Sundstrand Corporation (USA)
Related Parts
4820-01-124-3831INTERCHANGEABLE
DISK,VALVE
55-6002
5920-01-171-7477INTERCHANGEABLE
FUSEHOLDER,BLOCK

Frequently Asked Questions

What is NSN 4920-01-051-2861?

NSN 4920-01-051-2861 is a Core Assembly,heat Exchanger, manufactured by Hayden Inc, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-051-2861?

NSN 4920-01-051-2861 has 2 cross-referenced part numbers: 002653 (Hayden Inc), 55600-2 (Hamilton Sundstrand Corporation).

What NSN replaces 4920-01-051-2861?

There are 2 known substitutes for 4920-01-051-2861: 4820-01-124-3831, 5920-01-171-7477. Verify interchangeability with system specifications before substitution.

What are the specifications of 002653?

Key specifications for 002653: End Item Identification: 4920003275238. 1 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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