PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

504261Adapter Assy

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-00-939-3433 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-939-3433 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-939-3433. Primary manufacturer part number: 504261.
Features
  • Adapter Assy — FSC 2840
  • 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 Adapter Assy, cataloged under National Stock Number 2840-00-939-3433, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameAdapter Assy
FSC / FSG2840 — No Item Name Available (FSG 28)
ManufacturersRtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445)
Technical Specifications
ParameterValue
NSN2840-00-939-3433
Primary Part Number504261
Item NameAdapter Assy
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-293-7108 INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
6515-01-139-903950-4261 INTERCHANGEABLE
Retractor,general Operating
Johnson & Johnson Health Care Systems Inc.
5330-01-429-3272 INTERCHANGEABLE
Seal,plain Encased
3040-01-699-276350426-1 INTERCHANGEABLE
Shaft,straight
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
504261 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
4730-00-293-7108INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
6515-01-139-9039INTERCHANGEABLE
RETRACTOR,GENERAL OPERATING
50-4261
5330-01-429-3272INTERCHANGEABLE
SEAL,PLAIN ENCASED
3040-01-699-2763INTERCHANGEABLE
SHAFT,STRAIGHT
50426-1

Frequently Asked Questions

What is NSN 2840-00-939-3433?

NSN 2840-00-939-3433 is a Adapter Assy, 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 2840-00-939-3433?

NSN 2840-00-939-3433 has 1 cross-referenced part number: 504261 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-00-939-3433?

There are 4 known substitutes for 2840-00-939-3433: 4730-00-293-7108, 6515-01-139-9039, 5330-01-429-3272 and 1 more. Verify interchangeability with system specifications before substitution.

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