The Microcircuit,digital, cataloged under National Stock Number 5962-00-478-9301, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Technologies, Inc.. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5962-00-478-9301 |
| Primary Part Number | 55976-1 |
| Item Name | Microcircuit,digital |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Input Circuit Pattern | QUAD 2 INPUT |
| Inclosure Material | CERAMIC AND GLASS |
| Terminal Surface Treatment | SOLDER |
| Design Function and Quantity | 4 GATE, NAND-NOR |
| Body Width | 0.240 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Body Height | 0.200 INCHES MAXIMUM IN |
| Features Provided | MONOLITHIC AND HERMETICALLY SEALED AND POSITIVE OUTPUTS |
| Inclosure Configuration | DUAL-IN-LINE |
| Body Length | 0.750 INCHES MINIMUM AND 0.784 INCHES MAXIMUM IN |
| Storage Temp Range | -65.0 TO 150.0 CELSIUS DEGC |
| Output Logic Form | DIODE-TRANSISTOR LOGIC |
| Voltage Rating and Type Per Characteristic | 5.5 VOLTS MAXIMUM POWER SOURCE |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Test Data Document | 82340-55976 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Terminal Type and Quantity | 14 PRINTED CIRCUIT |
| Time Rating Per Chacteristic | 40.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 80.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS |
| 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 |
|---|---|
| 55976-1 PRIMARY | L3harris Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 55976-1 | 5/9 Secondary reference U.S. Government activity |
| HL02850 | 5/9 Secondary reference Fairchild Semiconductor Corp |
| 946DCQM | 5/9 Secondary reference Fairchild Semiconductor Corp |
NSN 5962-00-478-9301 is a Microcircuit,digital, manufactured by L3harris Technologies, Inc., classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-00-478-9301 has 1 manufacturer part number on file: 55976-1 (L3harris Technologies, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-272-4867. Verify interchangeability with system specifications before substitution.
Key specifications for 55976-1: Input Circuit Pattern: QUAD 2 INPUT; Inclosure Material: CERAMIC AND GLASS; Terminal Surface Treatment: SOLDER; Design Function and Quantity: 4 GATE, NAND-NOR. 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 5962-00-478-9301 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.