PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

403385Housing,seal,gear S

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-00-784-4682 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-784-4682 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-784-4682. Primary manufacturer part number: 403385.
Features
  • Housing,seal,gear S — FSC 2840
  • 3 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Power transmission and speed reduction
  • Rotary motion transfer
General Description

The Housing,seal,gear S, cataloged under National Stock Number 2840-00-784-4682, 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. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHousing,seal,gear S
FSC / FSG2840 — No Item Name Available (FSG 28)
ManufacturersRtx Corporation Div Pratt & Whitney (CAGE 52661); Turbo Power & Marine System Inc Sub of United Technologies Corp (CAGE 11449); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445)
Technical Specifications
ParameterValue
NSN2840-00-784-4682
Primary Part Number403385
Item NameHousing,seal,gear S
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6105-00-635-0800 INTERCHANGEABLE
Motor,alternating Current
Cross-Reference Index
Part NumberManufacturer
403385 Rtx Corporation Div Pratt & Whitney (USA)
403385 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
403385 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
6105-00-635-0800INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT

Frequently Asked Questions

What is NSN 2840-00-784-4682?

NSN 2840-00-784-4682 is a Housing,seal,gear S, 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 2840-00-784-4682?

NSN 2840-00-784-4682 has 3 cross-referenced part numbers: 403385 (Rtx Corporation Div Pratt & Whitney), 403385 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 403385 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-00-784-4682?

There is 1 known substitute for 2840-00-784-4682: 6105-00-635-0800. Verify interchangeability with system specifications before substitution.

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