The Transducer,ultrasonic Test, cataloged under National Stock Number 6635-01-654-3487, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Transducer,ultrasonic Test |
| FSC / FSG | 6635 — Physical Properties Testing and Inspection (FSG 66) |
| Manufacturers | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (CAGE 27192) |
| Parameter | Value |
|---|---|
| NSN | 6635-01-654-3487 |
| Primary Part Number | MC-023984 |
| Item Name | Transducer,ultrasonic Test |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| MC-023984 PRIMARY | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| MC-024730 | D/9 Drawing number reference only Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
| MC-024730 ITEM 14 | 5/9 Secondary reference Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
NSN 6635-01-654-3487 is a Transducer,ultrasonic Test, manufactured by Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-654-3487 has 1 manufacturer part number on file: MC-023984 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-654-4716. Verify interchangeability with system specifications before substitution.
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.