The Transducer,ultrasonic Test, cataloged under National Stock Number 6635-01-488-7979, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 6635-01-488-7979 |
| Item Name | Transducer,ultrasonic Test |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Status | ACTIVE |
| Overall Diameter | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 224-000 | 5/9 Secondary reference Agfa Ndt Inc. Div Krautkramer Ultrasonics |
| 113-224-000 | 3/9 Design control — primary reference Agfa Ndt Inc. Div Krautkramer Ultrasonics |
NSN 6635-01-488-7979 is a Transducer,ultrasonic Test, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6130-01-597-0040. Verify interchangeability with system specifications before substitution.
Key specifications for 6635-01-488-7979: Overall Diameter: 0.250 INCHES NOMINAL IN; Special Features: MD CONNECTOR; 5 MHZ; FHP, GAMMA MHz; End Item Identification: USED ON KRAUTKRAMER FLAW DETECTOR. 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.