The Microcircuit,digital, cataloged under National Stock Number 5962-01-388-9188, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5962-01-388-9188 |
| Primary Part Number | 121A556-1 |
| Item Name | Microcircuit,digital |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Inclosure Material | CERAMIC |
| Terminal Surface Treatment | SOLDER |
| Design Function and Quantity | 1 COMPARATOR |
| Body Width | 1.435 INCHES MINIMUM AND 1.465 INCHES MAXIMUM IN |
| Body Height | 0.105 INCHES MAXIMUM IN |
| Features Provided | ELECTROSTATIC SENSITIVE AND W/RESISTOR |
| Inclosure Configuration | LEADED CHIP CARRIER |
| Current Rating Per Characteristic | 20.00 MILLIAMPERES MAXIMUM INPUT |
| Body Length | 1.435 INCHES MINIMUM AND 1.465 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 | -0.5 VOLTS MINIMUM POWER SOURCE AND 6.0 VOLTS MAXIMUM POWER SOURCE |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Test Data Document | 96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| Terminal Type and Quantity | 100 FLAT LEADS |
| Nuclear Hardness Critical Feature | HARDENED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | H |
| Part Number | Manufacturer |
|---|---|
| 121A556-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| NH121A556-1 | 5/1 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| DD1454NDH | 5/9 Secondary reference National Semiconductor Corporation |
NSN 5962-01-388-9188 is a Microcircuit,digital, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-388-9188 has 1 manufacturer part number on file: 121A556-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 121A556-1: Inclosure Material: CERAMIC; Terminal Surface Treatment: SOLDER; Design Function and Quantity: 1 COMPARATOR; Body Width: 1.435 INCHES MINIMUM AND 1.465 INCHES MAXIMUM IN. 16 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 5962-01-388-9188 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.