The Microcircuit,digital, cataloged under National Stock Number 5962-00-421-5504, 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 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5962-00-421-5504 |
| Primary Part Number | DM7520J/883B |
| Item Name | Microcircuit,digital |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | National Semiconductor Corporation |
| Status | ACTIVE |
| Input Circuit Pattern | 10 INPUT |
| Inclosure Material | CERAMIC AND GLASS |
| Terminal Surface Treatment | SOLDER |
| Design Function and Quantity | 1 COUNTER |
| Body Width | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Body Height | 0.160 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Features Provided | MONOLITHIC AND HERMETICALLY SEALED AND EXTERNALLY COMPENSATED AND NEGATIVE OUTPUTS AND POSITIVE OUTPUTS |
| Inclosure Configuration | DUAL-IN-LINE |
| Case Outline Source and Designator | -0-001-AL JOINT ELECTRON DEVICE ENGINEERING COUNCIL |
| Body Length | 0.815 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN |
| Storage Temp Range | -65.0 TO 150.0 CELSIUS DEGC |
| Output Logic Form | TRANSISTOR-TRANSISTOR LOGIC |
| Voltage Rating and Type Per Characteristic | 5.5 VOLTS MAXIMUM POWER SOURCE |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Terminal Type and Quantity | 16 PRINTED CIRCUIT |
| Time Rating Per Chacteristic | 55.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 55.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS |
| 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 |
|---|---|
| 2606475 | Alliant Techsystems Operations Llc Div Defense Electronic Systems (USA) |
| DM7520J/883B PRIMARY | National Semiconductor Corporation (USA) |
| Reference | Meaning |
|---|---|
| DM7520D | 5/9 Secondary reference National Semiconductor Corporation |
| DM7520J/883 | C/1 Advisory reference — outside the item-of-supply concept National Semiconductor Corporation |
NSN 5962-00-421-5504 is a Microcircuit,digital, manufactured by National Semiconductor Corporation, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-00-421-5504 has 2 manufacturer part numbers on file: 2606475 (Alliant Techsystems Operations Llc Div Defense Electronic Systems), DM7520J/883B (National Semiconductor Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5962-00-534-7633, 7930-01-235-2797. Verify interchangeability with system specifications before substitution.
Key specifications for DM7520J/883B: Input Circuit Pattern: 10 INPUT; Inclosure Material: CERAMIC AND GLASS; Terminal Surface Treatment: SOLDER; Design Function and Quantity: 1 COUNTER. 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 5962-00-421-5504 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.