The Tester,material Hardness, cataloged under National Stock Number 6635-00-245-0885, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-00-245-0885 |
| Item Name | Tester,material Hardness |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Status | ACTIVE |
| Indicator Type | CIRCULAR DIAL |
| Usage Design | EXTERNAL |
| Indicator Reading Type | SINGLE |
| Test Type | ROCKWELL |
| Indicator Design | DIRECT READING |
| Accessory Components and Quantity | ANVILS 4; B SCALE TESTING BALLS 50; BALL CHUCK 1; B SCALE TEST BLOCKS 2; C SCALE TEST BLOCKS 2; 60 KG DEAD WEIGHT 1; 100 KG DEAD WEIGHT 1; 150 KG DEAD WEIGHT 1; VINYL PLASTIC OVERALL COVER 1; PROTECTIVE SLEEVE SET FOR ELEVATING SCREW 1; TEST POINT AND DIAL ILLUMINATOR 1 KG |
| Vertical Capacity | 12.000 INCHES IN |
| Carrying Case | NOT PROVIDED |
| Horizontal Reach | 5.250 INCHES IN |
| Installation Design | BENCH |
| Reference Number Differentiating Characteristics | W/STD EQUIPMENT LISTED IN PAC,AKYD |
| 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 |
|---|---|
| 4JR | 3/9 Design control — primary reference U.S. Government activity |
NSN 6635-00-245-0885 is a Tester,material Hardness, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
Key specifications for 6635-00-245-0885: Indicator Type: CIRCULAR DIAL; Usage Design: EXTERNAL; Indicator Reading Type: SINGLE; Test Type: ROCKWELL. 11 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.