The Probe,eddy Current, cataloged under National Stock Number 6635-01-376-1689, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Southwest Research Institute. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6635-01-376-1689 |
| Primary Part Number | 6884-156 |
| Item Name | Probe,eddy Current |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Southwest Research Institute |
| Status | ACTIVE |
| Tip Termination Type | PROBE |
| Tip Replaceability Feature | NOT INCLUDED |
| Conductor Attachment Method | 4 PIN RECEPTACLE |
| Material | STEEL CORROSION RESISTING HANDLE |
| 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 |
|---|---|
| 6884-156 PRIMARY | Southwest Research Institute (USA) |
| Reference | Meaning |
|---|---|
| 112306 | 7/9 Vendor item drawing reference Veridian Engineering Inc |
NSN 6635-01-376-1689 is a Probe,eddy Current, manufactured by Southwest Research Institute, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-376-1689 has 1 manufacturer part number on file: 6884-156 (Southwest Research Institute).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-531-7223. Verify interchangeability with system specifications before substitution.
Key specifications for 6884-156: Tip Termination Type: PROBE; Tip Replaceability Feature: NOT INCLUDED; Conductor Attachment Method: 4 PIN RECEPTACLE; End Item Identification: 6635-01-317-6864. 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.