The Microcircuit,memory, cataloged under National Stock Number 5962-01-356-7779, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is National Semiconductor Corporation. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5962-01-356-7779 |
| Primary Part Number | NMC27C256Q250 |
| Item Name | Microcircuit,memory |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | National Semiconductor Corporation |
| Status | ACTIVE |
| Inclosure Material | CERAMIC |
| Features Provided | HIGH SPEED AND STATIC OPERATION AND ULTRAVIOLET ERASABLE |
| Inclosure Configuration | DUAL-IN-LINE |
| Memory Device Type | PROM |
| Output Logic Form | COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Terminal Type and Quantity | 28 PIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| NMC27C256Q250 PRIMARY | National Semiconductor Corporation (USA) |
NSN 5962-01-356-7779 is a Microcircuit,memory, manufactured by National Semiconductor Corporation, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-356-7779 has 1 manufacturer part number on file: NMC27C256Q250 (National Semiconductor Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5962-01-375-0887, 5962-01-375-1556. Verify interchangeability with system specifications before substitution.
Key specifications for NMC27C256Q250: Inclosure Material: CERAMIC; Features Provided: HIGH SPEED AND STATIC OPERATION AND ULTRAVIOLET ERASABLE; Inclosure Configuration: DUAL-IN-LINE; Memory Device Type: PROM. 7 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.
NSN 5962-01-356-7779 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.