PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

404909Plate,mounting,cooler,coil

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-00-778-7982 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-778-7982 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-778-7982. Primary manufacturer part number: 404909.
Features
  • Plate,mounting,cooler,coil — FSC 2840
  • General Characteristics Item Description: CRES,AMS 5504,ROCKWELL C30-38 HARDNESS,1.694-1.756 IN. LG,1.389-1.441 IN. W,0.115-0.135 IN. THK IN
  • FSC Application Data: AIRCRAFT JET ENGINE
  • 1 verified cross-reference
  • 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 Plate,mounting,cooler,coil, cataloged under National Stock Number 2840-00-778-7982, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2840-00-778-7982
Primary Part Number404909
Item NamePlate,mounting,cooler,coil
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
General Characteristics Item DescriptionCRES,AMS 5504,ROCKWELL C30-38 HARDNESS,1.694-1.756 IN. LG,1.389-1.441 IN. W,0.115-0.135 IN. THK IN
FSC Application DataAIRCRAFT JET ENGINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-543-4700 INTERCHANGEABLE
Nut,self-Locking,hexagon
4820-01-340-228640490-9 PART 40490-903 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-482-358640490-902 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-725-4774916-00 INTERCHANGEABLE
Body,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-725-502440490-905 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
404909 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5310-00-543-4700INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
4820-01-340-2286INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40490-9 PART 40490-903
4820-01-482-3586INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40490-902
4820-01-725-4774INTERCHANGEABLE
BODY,VALVE
916-00
4820-01-725-5024INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40490-905

Frequently Asked Questions

What is NSN 2840-00-778-7982?

NSN 2840-00-778-7982 is a Plate,mounting,cooler,coil, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840 (No Item Name Available). Status: active.

What are the part numbers for NSN 2840-00-778-7982?

NSN 2840-00-778-7982 has 1 cross-referenced part number: 404909 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-00-778-7982?

There are 5 known substitutes for 2840-00-778-7982: 5310-00-543-4700, 4820-01-340-2286, 4820-01-482-3586 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 404909?

Key specifications for 404909: General Characteristics Item Description: CRES,AMS 5504,ROCKWELL C30-38 HARDNESS,1.694-1.756 IN. LG,1.389-1.441 IN. W,0.115-0.135 IN. THK IN; FSC Application Data: AIRCRAFT JET ENGINE; End Item Identification: ENGINE MODEL TF33. 3 total characteristics are documented in the Federal Logistics Information System.

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