PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

511518Ring

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-00-759-1737 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-759-1737 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-759-1737. Primary manufacturer part number: 511518.
Features
  • Ring — FSC 2840
  • 4 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 Ring, cataloged under National Stock Number 2840-00-759-1737, 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 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameRing
FSC / FSG2840 — No Item Name Available (FSG 28)
ManufacturersTurbo Power & Marine System Inc Sub of United Technologies Corp (CAGE 11449); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445)
Technical Specifications
ParameterValue
NSN2840-00-759-1737
Primary Part Number511518
Item NameRing
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5120-00-224-972883 INTERCHANGEABLE
Scriber,machinist's
General Tools Manufacturing Co., Llc.
5325-00-932-17955115-18 INTERCHANGEABLE
Ring,retaining
Rotor Clip Company, Inc.
Cross-Reference Index
Part NumberManufacturer
511518 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
464479 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
511518 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
464479 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5120-00-224-9728INTERCHANGEABLE
SCRIBER,MACHINIST'S
83
5325-00-932-1795INTERCHANGEABLE
RING,RETAINING
5115-18

Frequently Asked Questions

What is NSN 2840-00-759-1737?

NSN 2840-00-759-1737 is a Ring, 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 2840-00-759-1737?

NSN 2840-00-759-1737 has 4 cross-referenced part numbers: 511518 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 464479 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 511518 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 464479 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-00-759-1737?

There are 2 known substitutes for 2840-00-759-1737: 5120-00-224-9728, 5325-00-932-1795. Verify interchangeability with system specifications before substitution.

Is NSN 2840-00-759-1737 still in active supply?

NSN 2840-00-759-1737 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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