The Microcircuit,digital, cataloged under National Stock Number 5962-01-477-7781, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5962-01-477-7781 |
| Primary Part Number | MM74C923WM |
| Item Name | Microcircuit,digital |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | National Semiconductor Corporation |
| Status | ACTIVE |
| Design Function and Quantity | 20 ENCODER, KEYBOARD |
| Body Width | 0.291 INCHES MINIMUM AND 0.299 INCHES MAXIMUM IN |
| Body Height | 0.093 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN |
| Criticality Code Justification | CBBL |
| Features Provided | ELECTROSTATIC SENSITIVE |
| Inclosure Configuration | LEADED CHIP CARRIER |
| Body Length | 0.496 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN |
| Storage Temp Range | -65.0 TO 150.0 CELSIUS DEGC |
| Output Logic Form | COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC |
| Voltage Rating and Type Per Characteristic | 18.0 VOLTS MAXIMUM POWER SOURCE |
| Operating Temp Range | -40.0 TO 85.0 CELSIUS DEGC |
| Terminal Type and Quantity | 20 GULLWING |
| Maximum Power Dissipation Rating | 500.0 MILLIWATTS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| MM74C923WM PRIMARY | National Semiconductor Corporation (USA) |
| Reference | Meaning |
|---|---|
| 0N634073-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5962-01-477-7781 is a Microcircuit,digital, manufactured by National Semiconductor Corporation, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-477-7781 has 1 manufacturer part number on file: MM74C923WM (National Semiconductor Corporation).
Key specifications for MM74C923WM: Design Function and Quantity: 20 ENCODER, KEYBOARD; Body Width: 0.291 INCHES MINIMUM AND 0.299 INCHES MAXIMUM IN; Body Height: 0.093 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN; Criticality Code Justification: CBBL. 13 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 5962-01-477-7781 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.