The Tester,material Hardness, cataloged under National Stock Number 6635-01-659-4381, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Buehler Ltd.. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-659-4381 |
| Primary Part Number | WH2002T |
| Item Name | Tester,material Hardness |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Buehler Ltd. |
| Status | ACTIVE |
| Vertical Capacity | 254.0 MILLIMETERS MM |
| Unpackaged Unit Weight | 107.0 KILOGRAMS KG |
| Installation Design | FLOOR |
| 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 |
|---|---|
| WH2002T PRIMARY | Buehler Ltd. (USA) |
| Reference | Meaning |
|---|---|
| 2002T | 5/9 Secondary reference Buehler Ltd. |
NSN 6635-01-659-4381 is a Tester,material Hardness, manufactured by Buehler Ltd., classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-659-4381 has 1 manufacturer part number on file: WH2002T (Buehler Ltd.).
Key specifications for WH2002T: Vertical Capacity: 254.0 MILLIMETERS MM; Special Features: HARDNESS SCALES: HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRH, HRK, HRL, HRM, HRP, HRR, HRS, HRV, 15N, 30N, 45N, 15T, 30T, 45T, 15W, 30W, 45W, 15X, 30X, 45X, 15Y, 45Y; ELECTRONIC CLOSED-LOOP LOADCELL; STANDARDS COMPLIANT ASTM E18, B254, ISO 6508, JIS Z2245; W; Part Name Assigned by Controlling Agency: WILSON ROCKWELL 2000; Unpackaged Unit Weight: 107.0 KILOGRAMS KG. 3 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.