The Probe Set,eddy Current, cataloged under National Stock Number 6635-01-377-4301, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 11 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 | 6635-01-377-4301 |
| Primary Part Number | PWA54478 |
| Item Name | Probe Set,eddy Current |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Length | 10.000 INCHES NOMINAL IN |
| Major Components | PROBES; GAGE STANDARD; ADAPTER; CABLES |
| Accessory Identifying Number | PWA54481 PART NO. AND PWA54482 PART NO. AND PWA54480 PART NO. AND PWA54479 PART NO. |
| Reference Data and Literature | SUPPORT EQUIPMENT RECOMMENDATION DATA (SERD) NO. 6738; T.O. 2J-F100-9 |
| Height | 6.000 INCHES NOMINAL IN |
| Accessory Controlling Agency | UNITED TECHNOLOGIES CORP., PRATT AND WHITNEY |
| Functional Description | PERFORMS EDDY CURRENT INSPECTION OF FIRST TURBINE DISK AIRSEAL FLANGE (OUTER DIA.) |
| Enclosure Feature | MULTIPLE ITEM W/CARRYING CASE |
| Width | 10.000 INCHES NOMINAL IN |
| Accessory Component Quantity | 7 |
| Test Type for Which Designed | FLAW DETECTION |
| 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 |
|---|---|
| PWA54478 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 6635-01-377-4301 is a Probe Set,eddy Current, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-377-4301 has 1 manufacturer part number on file: PWA54478 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA54478: Length: 10.000 INCHES NOMINAL IN; Major Components: PROBES; GAGE STANDARD; ADAPTER; CABLES; Accessory Identifying Number: PWA54481 PART NO. AND PWA54482 PART NO. AND PWA54480 PART NO. AND PWA54479 PART NO.; Reference Data and Literature: SUPPORT EQUIPMENT RECOMMENDATION DATA (SERD) NO. 6738; T.O. 2J-F100-9. 11 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.