The Adding and Subtracting Machine, cataloged under National Stock Number 7420-00-264-6943, is classified within Federal Supply Class 7420 (Accounting and Calculating Machines) of the Office Machines and Visible Record Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 7420-00-264-6943 |
| Item Name | Adding and Subtracting Machine |
| FSC / FSG | 7420 / 74 — Accounting and Calculating Machines |
| Status | ACTIVE |
| Current Type | AC |
| Unit Type | LISTING |
| Carriage Type | STATIONARY |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Digit Entering Capacity | 7 OR 8 OR 9 |
| Voltage Rating | 110.0 VOLTS NOMINAL |
| Operation Method | ELECTRICAL AND HAND |
| Keyboard Type | COLUMNAR OR 10 KEY |
| 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 |
|---|---|
| 54M4795 | 3/1 Design control — primary reference U.S. Government activity |
NSN 7420-00-264-6943 is a Adding and Subtracting Machine, classified under FSC 7420, Accounting and Calculating Machines. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 7420-00-264-6948. Verify interchangeability with system specifications before substitution.
Key specifications for 7420-00-264-6943: Current Type: AC; Unit Type: LISTING; Special Features: 1/60 FRACTIONS FEATURE; Carriage Type: STATIONARY. 8 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.