The Microcircuit,digital, cataloged under National Stock Number 5962-01-099-0091, 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 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5962-01-099-0091 |
| Primary Part Number | MM54C922J |
| Item Name | Microcircuit,digital |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | National Semiconductor Corporation |
| Status | ACTIVE |
| Input Circuit Pattern | 5 INPUT |
| Inclosure Material | CERAMIC |
| Terminal Surface Treatment | SOLDER |
| Design Function and Quantity | 1 ENCODER, KEYBOARD |
| Body Width | 0.295 INCHES MAXIMUM IN |
| Body Height | 0.165 INCHES MAXIMUM IN |
| Features Provided | HERMETICALLY SEALED AND W/ENABLE AND W/SWITCH AND 3-STATE OUTPUT |
| Inclosure Configuration | DUAL-IN-LINE |
| Body Length | 0.910 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 | -55.0 TO 125.0 CELSIUS DEGC |
| Terminal Type and Quantity | 18 PRINTED CIRCUIT |
| Maximum Power Dissipation Rating | 500.0 MILLIWATTS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MM54C922J PRIMARY | National Semiconductor Corporation (USA) |
| Reference | Meaning |
|---|---|
| MM74C922N | C/1 Advisory reference — outside the item-of-supply concept National Semiconductor Corporation |
| 91478004 | 5/9 Secondary reference Thales Sa |
| MM54C922N | C/1 Advisory reference — outside the item-of-supply concept National Semiconductor Corporation |
| 99169042 | 5/9 Secondary reference Thales Sa |
NSN 5962-01-099-0091 is a Microcircuit,digital, manufactured by National Semiconductor Corporation, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-099-0091 has 1 manufacturer part number on file: MM54C922J (National Semiconductor Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5962-01-183-4313, 5962-01-342-6532. Verify interchangeability with system specifications before substitution.
Key specifications for MM54C922J: Input Circuit Pattern: 5 INPUT; Inclosure Material: CERAMIC; Terminal Surface Treatment: SOLDER; Design Function and Quantity: 1 ENCODER, KEYBOARD. 15 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 5962-01-099-0091 has DEMIL Code Q. 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.