The Switch-Balance and Calibration M, cataloged under National Stock Number 6635-01-278-2176, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-278-2176 |
| Item Name | Switch-Balance and Calibration M |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Status | ACTIVE |
| General Characteristics Item Description | COLLECTION OF PARTS |
| Reference Data and Literature | MFR BULLETIN 121-B |
| Functional Description | MULTI-PURPOSE DIRECT READING DIGITAL INDICATOR ACCESSORIES |
| Type/model Designation | V/E20A |
| 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 |
|---|---|
| V/E-24 | 5/1 Secondary reference U.S. Government activity |
| 24X400107 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6635-01-278-2176 is a Switch-Balance and Calibration M, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
Key specifications for 6635-01-278-2176: General Characteristics Item Description: COLLECTION OF PARTS; Reference Data and Literature: MFR BULLETIN 121-B; Functional Description: MULTI-PURPOSE DIRECT READING DIGITAL INDICATOR ACCESSORIES; Type/model Designation: V/E20A. 4 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.