PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RK21542-01Housing,heater Compartment

Parker-Hannifin Corporation Dba Racor Division Div Racor Division · NSN 2540-01-573-6698 · FSC 2540 · No Item Name Available
Verified by PartsTable
NSN 2540-01-573-6698 — this item is cataloged by the U.S. Government under National Stock Number 2540-01-573-6698. Primary manufacturer part number: RK21542-01.
Features
  • Housing,heater Compartment — FSC 2540
  • 2 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Dba Racor Division Div Racor Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Housing,heater Compartment, cataloged under National Stock Number 2540-01-573-6698, is classified within Federal Supply Class 2540 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Racor Division Div Racor Division. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameHousing,heater Compartment
FSC / FSG2540 — No Item Name Available (FSG 25)
ManufacturersParker-Hannifin Corporation Dba Racor Division Div Racor Division (CAGE 55752)
Technical Specifications
ParameterValue
NSN2540-01-573-6698
Primary Part NumberRK21542-01
Item NameHousing,heater Compartment
FSC / FSG2540 / 25 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Racor Division Div Racor Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 6
5940-00-089-360310-415-2-01 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
3120-00-540-810221542 INTERCHANGEABLE
Bearing,plain,self-Aligning
Eaton Corp Dba Eaton Aerospace Jackson
5342-01-264-11355749651-079 INTERCHANGEABLE
Coupling,clamp,grooved
Naval Sea Systems Command
6610-01-286-23062154-2 INTERCHANGEABLE
Indicator,air Speed
Kearflex Engineering Company
3130-01-294-8088 INTERCHANGEABLE
Cap,pillow Block
5325-01-352-99741009-6PC7 INTERCHANGEABLE
Ring,retaining
Pritchard Engineering Co Ltd
Cross-Reference Index
Part NumberManufacturer
RK21542-01 PRIMARY Parker-Hannifin Corporation Dba Racor Division Div Racor Division (USA)
21542 Parker-Hannifin Corporation Dba Racor Division Div Racor Division (USA)
Related Parts
5940-00-089-3603INTERCHANGEABLE
TERMINAL,STUD
10-415-2-01
3120-00-540-8102INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
21542
5342-01-264-1135INTERCHANGEABLE
COUPLING,CLAMP,GROOVED
5749651-079
6610-01-286-2306INTERCHANGEABLE
INDICATOR,AIR SPEED
2154-2
3130-01-294-8088INTERCHANGEABLE
CAP,PILLOW BLOCK
5325-01-352-9974INTERCHANGEABLE
RING,RETAINING
1009-6PC7

Frequently Asked Questions

What is NSN 2540-01-573-6698?

NSN 2540-01-573-6698 is a Housing,heater Compartment, manufactured by Parker-Hannifin Corporation Dba Racor Division Div Racor Division, classified under FSC 2540 (No Item Name Available). Status: active.

What are the part numbers for NSN 2540-01-573-6698?

NSN 2540-01-573-6698 has 2 cross-referenced part numbers: RK21542-01 (Parker-Hannifin Corporation Dba Racor Division Div Racor Division), 21542 (Parker-Hannifin Corporation Dba Racor Division Div Racor Division).

What NSN replaces 2540-01-573-6698?

There are 6 known substitutes for 2540-01-573-6698: 5940-00-089-3603, 3120-00-540-8102, 5342-01-264-1135 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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