The Microcircuit,memory, cataloged under National Stock Number 5962-01-400-3556, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5962-01-400-3556 |
| Primary Part Number | 1818-4107 |
| Item Name | Microcircuit,memory |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Inclosure Material | PLASTIC |
| Features Provided | ELECTROSTATIC SENSITIVE |
| Inclosure Configuration | DUAL-IN-LINE |
| Memory Device Type | RAM |
| Operating Temp Range | -25.0 TO 125.0 CELSIUS DEGC |
| Terminal Type and Quantity | 28 PRINTED CIRCUIT |
| 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 |
|---|---|
| HM62256ALFP-12T | Hitachi America Ltd Dba Hitachi Computer Products America Inc (USA) |
| M5M5256BFP-12L | Mitsubishi Electronics America Inc (USA) |
| 1818-4107 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 1818-4107 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 1818-4107 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| UPD43256AGU-12L | 5/9 Secondary reference Nec Electronics Usa Inc Electronic Arrays Div |
NSN 5962-01-400-3556 is a Microcircuit,memory, manufactured by Keysight Technologies Inc, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-400-3556 has 3 manufacturer part numbers on file: HM62256ALFP-12T (Hitachi America Ltd Dba Hitachi Computer Products America Inc), M5M5256BFP-12L (Mitsubishi Electronics America Inc), 1818-4107 (Keysight Technologies Inc).
Key specifications for 1818-4107: Inclosure Material: PLASTIC; Features Provided: ELECTROSTATIC SENSITIVE; Inclosure Configuration: DUAL-IN-LINE; Memory Device Type: RAM. 6 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.