The Microcircuit,digital, cataloged under National Stock Number 5962-01-310-9841, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Leonardo Uk Ltd. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5962-01-310-9841 |
| Primary Part Number | 1BK-510857-085 |
| Item Name | Microcircuit,digital |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | Leonardo Uk Ltd |
| Status | ACTIVE |
| Input Circuit Pattern | 2 INPUT AND 14 STAGE |
| Inclosure Material | CERAMIC |
| Terminal Surface Treatment | SOLDER |
| Design Function and Quantity | 1 COUNTER, BINARY |
| Body Width | 0.240 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Body Height | 0.115 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN |
| Features Provided | HERMETICALLY SEALED AND BURN IN AND HIGH SPEED AND STATIC OPERATION AND W/RESET |
| Inclosure Configuration | DUAL-IN-LINE |
| Body Length | 0.745 INCHES MINIMUM AND 0.780 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 7.0 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 | 16 PRINTED CIRCUIT |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 1BK-510857-085 | Leonardo Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| CD54HCT4020F/3A | 3/9 Design control — primary reference Renesas Electronics America Inc |
| 7917573-05 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5962-01-310-9841 is a Microcircuit,digital, manufactured by Leonardo Uk Ltd, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-310-9841 has 1 manufacturer part number on file: 1BK-510857-085 (Leonardo Uk Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-414-6901. Verify interchangeability with system specifications before substitution.
Key specifications for 1BK-510857-085: Input Circuit Pattern: 2 INPUT AND 14 STAGE; Inclosure Material: CERAMIC; Terminal Surface Treatment: SOLDER; Design Function and Quantity: 1 COUNTER, BINARY. 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 5962-01-310-9841 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.