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PartsTable / COMPONENT / 80253-2
80253-2 ✓ 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

DIFFUSER,AIR,AIRCRAFT HEATING AN. Key specifications include body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, body_width: 5.500 INCHES NOMINAL IN, shell_type: SOLID, body_height: 10.000 INCHES NOMINAL IN, body_length: 10.500 INCHES NOMINAL IN, handle_type: STRAIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1660-00-474-0272, 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
80253-2
NSN: 1660-00-474-0272
FSC: 1660
CAGE: 03496 — MESTEK INC. DBA ANEMOSTAT, A MESTEK COMPANY (USA)
SPECIFICATIONS
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
body_width5.500 INCHES NOMINAL IN
shell_typeSOLID
body_height10.000 INCHES NOMINAL IN
body_length10.500 INCHES NOMINAL IN
handle_typeSTRAIGHT
key_quantity9
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
exterior_colorBLACK
inclosure_typeHERMETICALLY SEALED
overall_length29.21 MILLIMETERS NOMINAL MM
shell_materialMETAL
NSN1660-00-474-0272
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DIFFUSER,AIR,AIRCRAFT HEATING AN TITLE COMPONENT PN 80253-2 MFR DIFFUSER,AIR,AIRCRAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
4978Interchangeable
interchangeable cross-reference
interchangeable
876-226Interchangeable
interchangeable cross-reference
interchangeable
722808-033Interchangeable
interchangeable cross-reference
interchangeable
5344Interchangeable
interchangeable cross-reference
interchangeable
5120PL0934351Interchangeable
interchangeable cross-reference
interchangeable
5120PL0902682Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 80253-2?
80253-2 is a DIFFUSER,AIR,AIRCRAFT HEATING AN.
What parts can replace 80253-2?
There are 9 known substitutes for 80253-2: 4978, 876-226, 722808-033 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 80253-2?
80253-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1660-00-474-0272. 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