NSN 4920-01-469-1789 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-469-1789. Manufacturer of record part number: PWA72408.
Also searched as4920-01-469-1789 ·
4920014691789 ·
NIIN 014691789 ·
01-469-1789 ·
FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 77445 · PWA72408
Supplementary Features: USED WITH GREY OR MAROON SCOTCH BRITE POLISHING PADS
Reference Data and Literature: F33657-97-C-0017, SERD NO 9050
Unpackaged Unit Width: 3.250 INCHES NOMINAL IN
Unpackaged Unit Height: 5.000 INCHES NOMINAL IN
Functional Description: POLISH ADAPTER IS REQUIRED TO POLISH THE 4TH STAGE TURBINE AIR SEAL P/N 4082297 TO RESTORE THE INNER DIAMETERBORE SURFACE FOR EDDY CURRENT INSPECTION (ECI). ADAPTER IS USED WITH PWA72405 FIXTURE INSTALLED ON THE ROTATING TABLE OF PWA71991 POLISH MACHINE WITH FORWARD END OF AIR SEAL POSITIONED "UP".REF: CIP 506 TASK 424
1 manufacturer part number on file
Identification
NSN: 4920-01-469-1789
NIIN: 014691789
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: PWA72408
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Adapter Assembly,interface Devic, cataloged under National Stock Number 4920-01-469-1789, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 6 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.
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Status
ACTIVE
Unpackaged Unit Length
13.000 INCHES NOMINAL IN
Supplementary Features
USED WITH GREY OR MAROON SCOTCH BRITE POLISHING PADS
Reference Data and Literature
F33657-97-C-0017, SERD NO 9050
Unpackaged Unit Width
3.250 INCHES NOMINAL IN
Unpackaged Unit Height
5.000 INCHES NOMINAL IN
Functional Description
POLISH ADAPTER IS REQUIRED TO POLISH THE 4TH STAGE TURBINE AIR SEAL P/N 4082297 TO RESTORE THE INNER DIAMETERBORE SURFACE FOR EDDY CURRENT INSPECTION (ECI). ADAPTER IS USED WITH PWA72405 FIXTURE INSTALLED ON THE ROTATING TABLE OF PWA71991 POLISH MACHINE WITH FORWARD END OF AIR SEAL POSITIONED "UP".REF: CIP 506 TASK 424
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
No interchangeability data on file.
Other items in FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4920-00-000-0190
TEST SET,FLIGHT CONTROL SYSTEM
4920-00-001-1405
4920-00-001-1405 · Item name not on file
4920-00-001-1716
4920-00-001-1716 · Item name not on file
4920-00-001-1744
4920-00-001-1744 · Item name not on file
4920-00-001-1745
4920-00-001-1745 · Item name not on file
4920-00-001-1746
4920-00-001-1746 · Item name not on file
4920-00-001-1747
4920-00-001-1747 · Item name not on file
4920-00-001-1748
4920-00-001-1748 · Item name not on file
Frequently Asked Questions
What is NSN 4920-01-469-1789?
NSN 4920-01-469-1789 is a Adapter Assembly,interface Devic, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
What part numbers are listed for NSN 4920-01-469-1789?
NSN 4920-01-469-1789 has 1 manufacturer part number on file: PWA72408 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of PWA72408?
Key specifications for PWA72408: Unpackaged Unit Length: 13.000 INCHES NOMINAL IN; Supplementary Features: USED WITH GREY OR MAROON SCOTCH BRITE POLISHING PADS; Reference Data and Literature: F33657-97-C-0017, SERD NO 9050; Unpackaged Unit Width: 3.250 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4920-01-469-1789 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.