The Fluorescent Penetrant Inspection, cataloged under National Stock Number 6635-01-690-8809, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-690-8809 |
| Item Name | Fluorescent Penetrant Inspection |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 50552320 | 3/9 Design control — primary reference Chemetall Us, Inc. |
NSN 6635-01-690-8809 is a Fluorescent Penetrant Inspection, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
Key specifications for 6635-01-690-8809: Special Features: PHYSICAL FORM: LIQUID; COLOR: YELLOW; FLASH POINT: >93.40 DEG. C.; DENSITY: 0.881 G/CM3; RELATIVE DENSITY: 0.881; KINEMATIC VISCOSITY: 6.00 MM2/S; AVOID FREEZING AND HEAT; INCOMPATIBLE MATERIALS: STRONG BASES, STRONG ACIDS AND STRONG OXIDIZING AGENTS; G; Part Name Assigned by Controlling Agency: ARDROX 9703 FLOURESCENT PENETRANT. 0 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.