The Adapter Assembly,interface Devic, cataloged under National Stock Number 4920-01-516-6404, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-516-6404 |
| Primary Part Number | PWA72712 |
| Item Name | Adapter Assembly,interface Devic |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Reference Data and Literature | SERD NO. 9503 |
| Functional Description | USED TO POLISH 1ST, 3RD, OR 4TH STAGE TURBINE AIR SEALS TO RESTORE KNIFE EDGE FORWARD SURFACE FOR EDDY CURRENT INSPECTION |
| 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 |
|---|---|
| PWA72712 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4920-01-516-6404 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.
NSN 4920-01-516-6404 has 1 manufacturer part number on file: PWA72712 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA72712: Reference Data and Literature: SERD NO. 9503; Special Features: 3.750 IN. H, 4.000 IN. W, 4.000 L, 2LBS LBS; Functional Description: USED TO POLISH 1ST, 3RD, OR 4TH STAGE TURBINE AIR SEALS TO RESTORE KNIFE EDGE FORWARD SURFACE FOR EDDY CURRENT INSPECTION; Part Name Assigned by Controlling Agency: ADAPTER, POLISH 1ST STAGE TURBINE AIR SEAL, KNIFE EDGE SEAL. 2 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 4920-01-516-6404 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.