The Fixture,pneumatic Systems Compon, cataloged under National Stock Number 4920-01-516-2473, 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 4 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.
| Parameter | Value |
|---|---|
| NSN | 4920-01-516-2473 |
| Primary Part Number | PWA72718 |
| Item Name | Fixture,pneumatic Systems Compon |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Nominal Overall Diameter | 3.500 INCHES IN |
| Reference Data and Literature | SERD 9509 |
| Nominal Overall Height | 17.000 INCHES IN |
| Functional Description | USED DURING POLISHING 3RD STAGE TURBINE AIR SEAL 4083240 TO RESTORE KNIFE EDGE AIR SEALS FOR EDDY CURRENT INSPECTION. POSITIONS AND HOLDS THE SEAL WITH FORWARD END UP ON PWA71991 POLISHING MACHINE. USED WITH PWA72712 ADAPTER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PWA72718 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4920-01-516-2473 is a Fixture,pneumatic Systems Compon, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-516-2473 has 1 manufacturer part number on file: PWA72718 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA72718: Nominal Overall Diameter: 3.500 INCHES IN; Reference Data and Literature: SERD 9509; Nominal Overall Height: 17.000 INCHES IN; Functional Description: USED DURING POLISHING 3RD STAGE TURBINE AIR SEAL 4083240 TO RESTORE KNIFE EDGE AIR SEALS FOR EDDY CURRENT INSPECTION. POSITIONS AND HOLDS THE SEAL WITH FORWARD END UP ON PWA71991 POLISHING MACHINE. USED WITH PWA72712 ADAPTER. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4920-01-516-2473 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.