PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4081821-805Cold Section Module,aircraft Gas

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-01-341-0177 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-01-341-0177 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-341-0177. Primary manufacturer part number: 4081821-805.
Features
  • Cold Section Module,aircraft Gas — FSC 2840
  • General Characteristics Item Description: T.O. 2J-F100-24; HOUSE THE THREE STAGE LOW PRESSURE FAN
  • Criticality Code Justification: AGAV
  • 7 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cold Section Module,aircraft Gas, cataloged under National Stock Number 2840-01-341-0177, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2840-01-341-0177
Primary Part Number4081821-805
Item NameCold Section Module,aircraft Gas
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
General Characteristics Item DescriptionT.O. 2J-F100-24; HOUSE THE THREE STAGE LOW PRESSURE FAN
Criticality Code JustificationAGAV
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3110-00-447-4907408182-1 INTERCHANGEABLE
Bearing,ball,annular
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
6625-00-679-0400805B INTERCHANGEABLE
Slotted Line,coaxial
Keysight Technologies Inc
2930-01-658-5935VA18-BP70/LL-41S INTERCHANGEABLE
Impeller,fan,axial
Spal-Usa, Inc. Dba Spal-Usa Inc
Cross-Reference Index
Part NumberManufacturer
4081821-805 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
4081821-800 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
4081821 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
4067221 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
4071821 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
4081821-804 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
4081821-802 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
3110-00-447-4907INTERCHANGEABLE
BEARING,BALL,ANNULAR
408182-1
6625-00-679-0400INTERCHANGEABLE
SLOTTED LINE,COAXIAL
805B
2930-01-658-5935INTERCHANGEABLE
IMPELLER,FAN,AXIAL
VA18-BP70/LL-41S

Frequently Asked Questions

What is NSN 2840-01-341-0177?

NSN 2840-01-341-0177 is a Cold Section Module,aircraft Gas, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2840-01-341-0177?

NSN 2840-01-341-0177 has 7 cross-referenced part numbers: 4081821-805 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4081821-800 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4081821 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4067221 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4071821 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney) and 2 more.

What NSN replaces 2840-01-341-0177?

There are 3 known substitutes for 2840-01-341-0177: 3110-00-447-4907, 6625-00-679-0400, 2930-01-658-5935. Verify interchangeability with system specifications before substitution.

What are the specifications of 4081821-805?

Key specifications for 4081821-805: General Characteristics Item Description: T.O. 2J-F100-24; HOUSE THE THREE STAGE LOW PRESSURE FAN; Criticality Code Justification: AGAV; End Item Identification: F100-PW-220/220E AIRCRAFT ENG. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2840-01-341-0177 still in active supply?

NSN 2840-01-341-0177 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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