The Mask,shot Peen, cataloged under National Stock Number 4920-01-470-2458, 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 1 specification, 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 | 4920-01-470-2458 |
| Primary Part Number | PWA72347 |
| Item Name | Mask,shot Peen |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Material | ALUMINUM |
| 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 |
|---|---|
| PWA72347 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4920-01-470-2458 is a Mask,shot Peen, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-470-2458 has 1 manufacturer part number on file: PWA72347 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA72347: Overall Height: 4.300 INCHES NOMINAL IN; Overall Length: 30.000 INCHES NOMINAL IN; Overall Width: 30.000 INCHES NOMINAL IN; Special Features: REQUIRED FOR OVERSIZE REPAIR OF P/N 4076723 COMPRESSOR CASE AFT FLANGE HOLES. MASKING FIXTURE IS USED TO COVER THE FORWARD OUTER DIAMETER OF THE COMPRESSOR CASE DURING SHOTPEEN OF THE AFT FLANGE TO CONTROL OVERSPRAY. MASKING FIXTURE LOCATES ON INSTALLED PWA72346 MAST THAT PROTECTS THE AFT O.D. OF THE CASE. MASKING FIXTURE IS ALSO USED WITH PWA72345 I.D. MASK AND WITH FLANGE HOLE MASKING PLUGS PWA72349. 1 specification is 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.