The Calculator,electronic, cataloged under National Stock Number 7420-01-186-3837, is classified within Federal Supply Class 7420 (Accounting and Calculating Machines) of the Office Machines and Visible Record Equipment group. The manufacturer of record is Sharp Electronics. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 7420-01-186-3837 |
| Primary Part Number | EL-R277BBK |
| Item Name | Calculator,electronic |
| FSC / FSG | 7420 / 74 — Accounting and Calculating Machines |
| Manufacturer | Sharp Electronics |
| Status | ACTIVE |
| Radio Interference Shielding | NOT PROVIDED |
| Digit Totalizing Capacity | 8 |
| Memory Quantity | 1 |
| Features Provided | SOLAR ENERGY |
| Automatic Multiplication Feature | INCLUDED |
| Unit Type | PREPROGRAMMED |
| Carrying Case | PROVIDED |
| Digit Entering Capacity | 8 |
| Operation Method | SOLAR CELL |
| 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 |
|---|---|
| EL-R277BBK PRIMARY | Sharp Electronics (USA) |
| VCT900 | Andrew Victor Dba Victor Technology (USA) |
| Reference | Meaning |
|---|---|
| TI-1766 | 5/9 Secondary reference U.S. Government activity |
NSN 7420-01-186-3837 is a Calculator,electronic, manufactured by Sharp Electronics, classified under FSC 7420, Accounting and Calculating Machines. Status: active.
NSN 7420-01-186-3837 has 2 manufacturer part numbers on file: EL-R277BBK (Sharp Electronics), VCT900 (Andrew Victor Dba Victor Technology).
Key specifications for EL-R277BBK: Radio Interference Shielding: NOT PROVIDED; Digit Totalizing Capacity: 8; Memory Quantity: 1; Features Provided: SOLAR ENERGY. 9 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.