NSN 2840-01-009-4719 · NIIN 010094719 · Part number 742328
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 77445
Government record, cited
NSN 2840-01-009-4719 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-009-4719. Manufacturer of record part number: 742328.
Also searched as2840-01-009-4719 ·
2840010094719 ·
NIIN 010094719 ·
01-009-4719 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 77445 · 742328
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 2840-01-009-4719
NIIN: 010094719
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 742328
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Ring,bearing Housing, cataloged under National Stock Number 2840-01-009-4719, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2840-01-009-4719
Primary Part Number
742328
Item Name
Ring,bearing Housing
FSC / FSG
2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Status
ACTIVE
Overall Diameter
4.220 INCHES NOMINAL IN
General Characteristics Item Description
CRES,AMS 6320 OR 6322,ROCKWELL C32-38 HARDNESS,2.620 IN. ID,4.220 IN. OD,0.340 IN. THK IN
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
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 2840-01-009-4719?
NSN 2840-01-009-4719 is a Ring,bearing Housing, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
What part numbers are listed for NSN 2840-01-009-4719?
NSN 2840-01-009-4719 has 2 manufacturer part numbers on file: 742328 (Rtx Corporation Div Pratt & Whitney), 742328 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 742328?
Key specifications for 742328: Overall Diameter: 4.220 INCHES NOMINAL IN; General Characteristics Item Description: CRES,AMS 6320 OR 6322,ROCKWELL C32-38 HARDNESS,2.620 IN. ID,4.220 IN. OD,0.340 IN. THK IN; Supplementary Features: CRITICAL SAFETY ITEM (CSI); Criticality Code Justification: FEAT. 5 specifications are documented in the U.S. Government catalog.
Is NSN 2840-01-009-4719 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.
What is the DEMIL code for NSN 2840-01-009-4719?
NSN 2840-01-009-4719 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.