PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

80253-2Diffuser,air,aircraft Heating an

Mestek Inc. Dba Anemostat, a Mestek Company · NSN 1660-00-474-0272 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-474-0272 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-474-0272. Primary manufacturer part number: 80253-2.
Features
  • Diffuser,air,aircraft Heating an — FSC 1660
  • 3 verified cross-references
  • Primary manufacturer: Mestek Inc. Dba Anemostat, a Mestek Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Diffuser,air,aircraft Heating an, cataloged under National Stock Number 1660-00-474-0272, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Mestek Inc. Dba Anemostat, a Mestek Company. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDiffuser,air,aircraft Heating an
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersMestek Inc. Dba Anemostat, a Mestek Company (CAGE 03496); Commander Mills Inc (CAGE 91028)
Technical Specifications
ParameterValue
NSN1660-00-474-0272
Primary Part Number80253-2
Item NameDiffuser,air,aircraft Heating an
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerMestek Inc. Dba Anemostat, a Mestek Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4720-00-212-74164978 INTERCHANGEABLE
Hose Assembly,nonmetallic
Andrew Llc
2835-00-394-84504978 INTERCHANGEABLE
Shaft,turbine,nonaircraft Gas Tu
Northrop Grumman Systems Corporation Div Marine Systems
5950-00-878-8859722808-033 INTERCHANGEABLE
Transformer,power
Raytheon Company Div Rmd Strategic
5935-01-306-87685344 INTERCHANGEABLE
Connector,plug,electrical
Fluke Electronics Corp
5120-01-428-7945 INTERCHANGEABLE
Key Set,socket Head Screw
6515-01-557-844755009602 INTERCHANGEABLE
Brace,ankle
Sammons Preston Dba Bissell Healthcare Corp
Cross-Reference Index
Part NumberManufacturer
80253-2 Mestek Inc. Dba Anemostat, a Mestek Company (USA)
4978 Commander Mills Inc (USA)
4978 Mestek Inc. Dba Anemostat, a Mestek Company (USA)
Related Parts
4720-00-212-7416INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4978
2835-00-394-8450INTERCHANGEABLE
SHAFT,TURBINE,NONAIRCRAFT GAS TU
4978
5950-00-878-8859INTERCHANGEABLE
TRANSFORMER,POWER
722808-033
5935-01-306-8768INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5344
5120-01-428-7945INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
6515-01-557-8447INTERCHANGEABLE
BRACE,ANKLE
55009602

Frequently Asked Questions

What is NSN 1660-00-474-0272?

NSN 1660-00-474-0272 is a Diffuser,air,aircraft Heating an, manufactured by Mestek Inc. Dba Anemostat, a Mestek Company, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-474-0272?

NSN 1660-00-474-0272 has 3 cross-referenced part numbers: 80253-2 (Mestek Inc. Dba Anemostat, a Mestek Company), 4978 (Commander Mills Inc), 4978 (Mestek Inc. Dba Anemostat, a Mestek Company).

What NSN replaces 1660-00-474-0272?

There are 6 known substitutes for 1660-00-474-0272: 4720-00-212-7416, 2835-00-394-8450, 5950-00-878-8859 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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