NSN 4920-01-388-3643 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-388-3643. Manufacturer of record part number: PWA57791.
Also searched as4920-01-388-3643 ·
4920013883643 ·
NIIN 013883643 ·
01-388-3643 ·
FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 77445 · PWA57791
Reference Data and Literature: SERD NO. 6732 REV. A
Functional Description: USED TO INSTALL A TURBINE EXHAUST CASE EQUIPPED WITH AN UNWAXED BRUSH SEAL ONTO A FAN DRIVE TURBINE MODULE
2 manufacturer part numbers on file
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 4920-01-388-3643
NIIN: 013883643
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: PWA57791
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Fixture,engine Maintenance,aircr, cataloged under National Stock Number 4920-01-388-3643, 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 2 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.
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.
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4920-00-001-1744 · Item name not on file
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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 4920-01-388-3643?
NSN 4920-01-388-3643 is a Fixture,engine Maintenance,aircr, 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 4920-01-388-3643?
NSN 4920-01-388-3643 has 2 manufacturer part numbers on file: PWA57791 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), PWA57791 (Rtx Corporation Div Pratt & Whitney).
What are the specifications of PWA57791?
Key specifications for PWA57791: Reference Data and Literature: SERD NO. 6732 REV. A; Special Features: ROTOR AND STATOR ASSEMBLY 4068716-705; Functional Description: USED TO INSTALL A TURBINE EXHAUST CASE EQUIPPED WITH AN UNWAXED BRUSH SEAL ONTO A FAN DRIVE TURBINE MODULE; End Item Identification: F100-PW-229. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4920-01-388-3643 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.