PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

617856Nut,coupling,turbin

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-00-922-4380 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-922-4380 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-922-4380. Primary manufacturer part number: 617856.
Features
  • Nut,coupling,turbin — FSC 2840
  • 1 verified cross-reference
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,coupling,turbin, cataloged under National Stock Number 2840-00-922-4380, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameNut,coupling,turbin
FSC / FSG2840 — No Item Name Available (FSG 28)
ManufacturersRtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445)
Technical Specifications
ParameterValue
NSN2840-00-922-4380
Primary Part Number617856
Item NameNut,coupling,turbin
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2530-00-161-757511686267-2 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
617856 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
2530-00-161-7575INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
11686267-2

Frequently Asked Questions

What is NSN 2840-00-922-4380?

NSN 2840-00-922-4380 is a Nut,coupling,turbin, 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 2840-00-922-4380?

NSN 2840-00-922-4380 has 1 cross-referenced part number: 617856 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-00-922-4380?

There is 1 known substitute for 2840-00-922-4380: 2530-00-161-7575. Verify interchangeability with system specifications before substitution.

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