The Mask,plasma Spray, cataloged under National Stock Number 4920-01-418-3338, 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 | 4920-01-418-3338 |
| Primary Part Number | PWA 71250 |
| Item Name | Mask,plasma Spray |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| General Characteristics Item Description | MASK CONSISTS OF A SET OF EXTRUDED HIGH TEMP RUBBER MASKS WHICH ARE USED TO PROPERLY MASK TWO CONFIGURATIONS OF THE 1ST STAGE TURBINE AIRSEAL DURING PLASMA SPRAY OF KNIFE EDGE SEALS, REF. CIP TASK 311-43Y. |
| Reference Data and Literature | REF. CIP TASK 311-43Y |
| Functional Description | MASK, PLASMA SPRAY |
| Material | RUBBER NATURAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PWA 71250 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4920-01-418-3338 is a Mask,plasma Spray, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-418-3338 has 1 manufacturer part number on file: PWA 71250 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA 71250: General Characteristics Item Description: MASK CONSISTS OF A SET OF EXTRUDED HIGH TEMP RUBBER MASKS WHICH ARE USED TO PROPERLY MASK TWO CONFIGURATIONS OF THE 1ST STAGE TURBINE AIRSEAL DURING PLASMA SPRAY OF KNIFE EDGE SEALS, REF. CIP TASK 311-43Y.; Reference Data and Literature: REF. CIP TASK 311-43Y; Special Features: MASK, PLASMA SPRAY-SEAL-AIR, TURBINE, 1ST STAGE; Functional Description: MASK, PLASMA SPRAY. 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.
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.