The Tester,material Hardness, cataloged under National Stock Number 6635-00-030-2158, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Webster Instruments Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-00-030-2158 |
| Primary Part Number | BB75 |
| Item Name | Tester,material Hardness |
| FSC / FSG | 6635 / 66 — No Item Name Available |
| Manufacturer | Webster Instruments Inc |
| Status | ACTIVE |
| Indicator Type | CIRCULAR DIAL |
| Installation Design | PORTABLE |
| Test Type | ROCKWELL |
| Indicator Reading Type | SINGLE |
| Indicator Design | DIRECT READING |
| Carrying Case | NOT PROVIDED |
| Usage Design | EXTERNAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BB75 | Webster Instruments Inc (USA) |
NSN 6635-00-030-2158 is a Tester,material Hardness, manufactured by Webster Instruments Inc, classified under FSC 6635 (No Item Name Available). Status: active.
NSN 6635-00-030-2158 has 1 cross-referenced part number: BB75 (Webster Instruments Inc).
There are 2 known substitutes for 6635-00-030-2158: 5975-00-578-2748, 5845-01-572-2632. Verify interchangeability with system specifications before substitution.
Key specifications for BB75: Indicator Type: CIRCULAR DIAL; Installation Design: PORTABLE; Test Type: ROCKWELL; Indicator Reading Type: SINGLE. 7 total characteristics are documented in the Federal Logistics Information System.