The Microcircuit,digital, cataloged under National Stock Number 5962-01-047-7398, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Texas Instruments Incorporated. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5962-01-047-7398 |
| Primary Part Number | SN74LS191N |
| Item Name | Microcircuit,digital |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | Texas Instruments Incorporated |
| Status | ACTIVE |
| Input Circuit Pattern | 8 INPUT |
| Inclosure Material | PLASTIC |
| Design Function and Quantity | 1 COUNTER, BINARY |
| Body Width | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Body Height | 0.180 INCHES NOMINAL IN |
| Features Provided | LOW POWER AND SCHOTTKY AND SYNCHRONOUS AND MONOLITHIC AND REVERSIBLE UP/DOWN AND CASCADABLE AND W/CLOCK |
| Inclosure Configuration | DUAL-IN-LINE |
| Body Length | 0.780 INCHES MAXIMUM IN |
| Storage Temp Range | -65.0 TO 150.0 CELSIUS DEGC |
| Output Logic Form | TRANSISTOR-TRANSISTOR LOGIC |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Maximum Power Dissipation Rating | 100.0 MILLIWATTS |
| Time Rating Per Chacteristic | 45.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 52.00 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 |
|---|---|
| SN74LS191N PRIMARY | Texas Instruments Incorporated (USA) |
| BL2502721 | Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU) |
| W74067-M3109-Z405 | Siemens Agautomatisierungstechnik Aut A13 (DEU) |
| Reference | Meaning |
|---|---|
| SN74LS191NA | 5/9 Secondary reference Adelco Elektronik Gmbh |
| 351-1527-030 | C/1 Advisory reference — outside the item-of-supply concept Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| SN74LS191N | C/1 Advisory reference — outside the item-of-supply concept Lacon Electronic Gmbh |
| SN74LS191NA | 5/9 Secondary reference Texas Instruments Incorporated |
| SN74LS191N | 5/9 Secondary reference Adelco Elektronik Gmbh |
NSN 5962-01-047-7398 is a Microcircuit,digital, manufactured by Texas Instruments Incorporated, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-047-7398 has 3 manufacturer part numbers on file: SN74LS191N (Texas Instruments Incorporated), BL2502721 (Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S), W74067-M3109-Z405 (Siemens Agautomatisierungstechnik Aut A13).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-237-2538. Verify interchangeability with system specifications before substitution.
Key specifications for SN74LS191N: Overall Height: 0.325 INCHES NOMINAL IN; Input Circuit Pattern: 8 INPUT; Inclosure Material: PLASTIC; Design Function and Quantity: 1 COUNTER, BINARY. 13 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 5962-01-047-7398 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.