The Microcircuit,digital, cataloged under National Stock Number 5962-01-262-2306, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Medical Research Laboratories Inc Dba M R L Div Defibrillation Division. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5962-01-262-2306 |
| Primary Part Number | 444040 |
| Item Name | Microcircuit,digital |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | Medical Research Laboratories Inc Dba M R L Div Defibrillation Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 444040 PRIMARY | Medical Research Laboratories Inc Dba M R L Div Defibrillation Division (USA) |
| MM74HC4040NA | National Semiconductor Corporation (USA) |
NSN 5962-01-262-2306 is a Microcircuit,digital, manufactured by Medical Research Laboratories Inc Dba M R L Div Defibrillation Division, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-262-2306 has 2 manufacturer part numbers on file: 444040 (Medical Research Laboratories Inc Dba M R L Div Defibrillation Division), MM74HC4040NA (National Semiconductor Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5130-01-669-7657. Verify interchangeability with system specifications before substitution.
Key specifications for 444040: Special Features: USED AS A 12 STAGE BINARY COUNTER; 0.865 IN. LG; 0.325 IN. W; 0.325 IN. H IN; End Item Identification: 6515-01-135-0840,ECG MONITOR/RECORDER AND DEFIBRILLATOR,MDL. PORTA PAK 90. 0 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.
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.