The Tester,material Hardness, cataloged under National Stock Number 6635-00-119-5809, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-00-119-5809 |
| Item Name | Tester,material Hardness |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Status | ACTIVE |
| Indicator Type | VERNIER |
| Usage Design | EXTERNAL |
| Indicator Reading Type | SINGLE |
| Test Type | DUROMETER |
| Indicator Design | DIRECT READING |
| Carrying Case | PROVIDED |
| Installation Design | PORTABLE |
| 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 |
|---|---|
| 1500A | 3/9 Design control — primary reference Rex Gauge Co Inc |
NSN 6635-00-119-5809 is a Tester,material Hardness, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6515-00-449-2178, 4410-01-316-5799. Verify interchangeability with system specifications before substitution.
Key specifications for 6635-00-119-5809: Indicator Type: VERNIER; Usage Design: EXTERNAL; Indicator Reading Type: SINGLE; Test Type: DUROMETER. 7 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.