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NSN 2840-01-067-3618Government record, cited

Coupling, Turbine Shaft2840-01-067-3618

NSN 2840-01-067-3618 · NIIN 010673618 · Part number 3018834
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 00198
Government record, cited
NSN 2840-01-067-3618 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-067-3618. Manufacturer of record part number: 3018834.
Also searched as  2840-01-067-3618 · 2840010673618 · NIIN 010673618 · 01-067-3618 · FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 00198 · 3018834
Nearby stock numbers  ·
Features
  • Coupling,turbine Shaft — FSC 2840
  • General Characteristics Item Description: STEEL AMS6260,ROCKWELL A SCALE 79 MIN,85 MAX HARDNESS,1ST END SPLINE,6 TEETH,0.149 IN. MIN,0.151 IN. MAX SPLINE W,1.220 IN. MIN,1.230 IN. MAX SPLINE DP,3 SLOTS 0.190 IN. MIN,0.200 IN. MAX W EQUALLY SPACED ON ID,2ND END SPLINE,41 TEETH,1.950 IN. MIN,1.955 IN. MAX ID,20 DEG PRESSURE ANGLE,2.050 IN. NOM PITCH DIA IN
  • 1 manufacturer part number on file
  • Manufacturer of record: Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
Identification
  • NSN: 2840-01-067-3618
  • NIIN: 010673618
  • FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 3018834
  • Manufacturer: Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
General Description

The Coupling,turbine Shaft, cataloged under National Stock Number 2840-01-067-3618, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2840-01-067-3618
Primary Part Number3018834
Item NameCoupling,turbine Shaft
FSC / FSG2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
General Characteristics Item DescriptionSTEEL AMS6260,ROCKWELL A SCALE 79 MIN,85 MAX HARDNESS,1ST END SPLINE,6 TEETH,0.149 IN. MIN,0.151 IN. MAX SPLINE W,1.220 IN. MIN,1.230 IN. MAX SPLINE DP,3 SLOTS 0.190 IN. MIN,0.200 IN. MAX W EQUALLY SPACED ON ID,2ND END SPLINE,41 TEETH,1.950 IN. MIN,1.955 IN. MAX ID,20 DEG PRESSURE ANGLE,2.050 IN. NOM PITCH DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
3018834 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
No interchangeability data on file.
Other items in FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2840-00-000-0048
ENGINE,AIRCRAFT,TURBO-SHAFT
2840-00-000-0049
MODIFICATION KIT,ENGINE
2840-00-001-1741
CASE AND NOZZLE ASSEMBLY,TURBINE
2840-00-001-1743
2840-00-001-1743 · Item name not on file
2840-00-001-2117
2840-00-001-2117 · Item name not on file
2840-00-001-2284
2840-00-001-2284 · Item name not on file
2840-00-001-3922
2840-00-001-3922 · Item name not on file
2840-00-001-4903
SEAL,AIR,AIRCRAFT GAS TURBINE EN

Frequently Asked Questions

What is NSN 2840-01-067-3618?

NSN 2840-01-067-3618 is a Coupling,turbine Shaft, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.

What part numbers are listed for NSN 2840-01-067-3618?

NSN 2840-01-067-3618 has 1 manufacturer part number on file: 3018834 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What are the specifications of 3018834?

Key specifications for 3018834: General Characteristics Item Description: STEEL AMS6260,ROCKWELL A SCALE 79 MIN,85 MAX HARDNESS,1ST END SPLINE,6 TEETH,0.149 IN. MIN,0.151 IN. MAX SPLINE W,1.220 IN. MIN,1.230 IN. MAX SPLINE DP,3 SLOTS 0.190 IN. MIN,0.200 IN. MAX W EQUALLY SPACED ON ID,2ND END SPLINE,41 TEETH,1.950 IN. MIN,1.955 IN. MAX ID,20 DEG PRESSURE ANGLE,2.050 IN. NOM PITCH DIA IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 2840-01-067-3618 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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