NSN 2840-01-055-9371 · NIIN 010559371 · Part number 4046486
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 2840-01-055-9371 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-055-9371. Manufacturer of record part number: 4046486.
Also searched as2840-01-055-9371 ·
2840010559371 ·
NIIN 010559371 ·
01-055-9371 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 77445 · 4046486
Nearby stock numbers← 2840-01-055-6549
·
2840-01-055-9910 Vane, Compressor, Aircraft Gas Tur →
Features
Synchronizing Ring,compressor,ai — FSC 2840
Criticality Code Justification: AGAV
Outside Diameter: 36.990 INCHES MINIMUM AND 37.000 INCHES MAXIMUM IN
Material: TITANIUM ALLOY
1 manufacturer part number on file
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 2840-01-055-9371
NIIN: 010559371
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 4046486
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Synchronizing Ring,compressor,ai, cataloged under National Stock Number 2840-01-055-9371, 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 3 specifications, 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
Parameter
Value
NSN
2840-01-055-9371
Primary Part Number
4046486
Item Name
Synchronizing Ring,compressor,ai
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
Criticality Code Justification
AGAV
Outside Diameter
36.990 INCHES MINIMUM AND 37.000 INCHES MAXIMUM 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 2840-01-055-9371?
NSN 2840-01-055-9371 is a Synchronizing Ring,compressor,ai, 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 2840-01-055-9371?
NSN 2840-01-055-9371 has 1 manufacturer part number on file: 4046486 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 4046486?
Key specifications for 4046486: Criticality Code Justification: AGAV; Overall Length: 0.930 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN; Outside Diameter: 36.990 INCHES MINIMUM AND 37.000 INCHES MAXIMUM IN; End Item Identification: AIRCRAFT ENGINE,F100-PW-100. 3 specifications are documented in the U.S. Government catalog.
Is NSN 2840-01-055-9371 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 2840-01-055-9371?
NSN 2840-01-055-9371 has DEMIL Code B. 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.