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PartsTable / COMPONENT / RK21542-01
RK21542-01 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The HOUSING,HEATER COMPARTMENT is a the manufacturer industrial component. Key specifications include phase: SINGLE, material: GREASE LUBRICATION, swage_depth: 0.082 INCHES IN, current_type: AC/DC, pointer_type: INDICATING ALL POINTERS, usage_design: AIR SPEED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2540-01-573-6698, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
RK21542-01
NSN: 2540-01-573-6698
FSC: 2540
CAGE: 55752 — PARKER-HANNIFIN CORPORATION DBA RACOR DIVISION DIV RACOR DIVISION (USA)
SPECIFICATIONS
phaseSINGLE
materialGREASE LUBRICATION
swage_depth0.082 INCHES IN
current_typeAC/DC
pointer_typeINDICATING ALL POINTERS
usage_designAIR SPEED
bore_diameter0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
knob_quantity1
scale_markingLETTERS AND MAJOR GRADUATION AND MINOR GRADUATION AND NUMERALS
overall_height0.248 INCHES IN
pointer_finishNONLUMINOUS ALL POINTERS
pointer_purposeINDICATES AIR SPEED & MACH NUMBER
NSN2540-01-573-6698
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOUSING,HEATER COMPARTMENT TITLE COMPONENT PN RK21542-01 MFR HOUSING,HEATER COMPART
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
140-2154-02-01-00Interchangeable
interchangeable cross-reference
interchangeable
10-415-2Interchangeable
interchangeable cross-reference
interchangeable
2154-2Interchangeable
interchangeable cross-reference
interchangeable
KSBG12-15Interchangeable
interchangeable cross-reference
interchangeable
BSR12510Interchangeable
interchangeable cross-reference
interchangeable
625-5749651-079Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RK21542-01?
RK21542-01 is a HOUSING,HEATER COMPARTMENT.
What parts can replace RK21542-01?
There are 11 known substitutes for RK21542-01: 140-2154-02-01-00, 10-415-2, 2154-2 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RK21542-01?
RK21542-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2540-01-573-6698. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026