PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

517853Guide,spring Seal

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-00-915-9847 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-915-9847 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-915-9847. Primary manufacturer part number: 517853.
Features
  • Guide,spring Seal — FSC 2840
  • 2 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Mechanical energy storage
  • Vibration dampening
General Description

The Guide,spring Seal, cataloged under National Stock Number 2840-00-915-9847, 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 2 commercial cross-references from 2 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 NameGuide,spring Seal
FSC / FSG2840 — No Item Name Available (FSG 28)
ManufacturersRtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Turbo Power & Marine System Inc Sub of United Technologies Corp (CAGE 11449)
Technical Specifications
ParameterValue
NSN2840-00-915-9847
Primary Part Number517853
Item NameGuide,spring Seal
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5905-00-539-4900 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Cross-Reference Index
Part NumberManufacturer
517853 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
517853 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
Related Parts
5905-00-539-4900INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,

Frequently Asked Questions

What is NSN 2840-00-915-9847?

NSN 2840-00-915-9847 is a Guide,spring Seal, 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 2840-00-915-9847?

NSN 2840-00-915-9847 has 2 cross-referenced part numbers: 517853 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 517853 (Turbo Power & Marine System Inc Sub of United Technologies Corp).

What NSN replaces 2840-00-915-9847?

There is 1 known substitute for 2840-00-915-9847: 5905-00-539-4900. Verify interchangeability with system specifications before substitution.

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