The Microcircuit,digital, cataloged under National Stock Number 5962-01-064-1303, 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 9 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5962-01-064-1303 |
| Primary Part Number | SN74LS221N |
| Item Name | Microcircuit,digital |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | Texas Instruments Incorporated |
| Status | ACTIVE |
| Inclosure Material | PLASTIC |
| Design Function and Quantity | 2 MULTIVIBRATOR, MONOSTABLE |
| Body Width | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Features Provided | MONOLITHIC AND RESETTABLE |
| Inclosure Configuration | DUAL-IN-LINE |
| Body Length | 0.870 INCHES MAXIMUM IN |
| Output Logic Form | TRANSISTOR-TRANSISTOR LOGIC |
| Operating Temp Range | -0.0 TO 70.0 CELSIUS DEGC |
| Maximum Power Dissipation Rating | 23.0 MILLIWATTS |
| 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 |
|---|---|
| SN74LS221N | Rs Components SAS (FRA) |
| Q67000-K74-F9 | Tdk Electronics Ag (DEU) |
| 5L5441-013-99 | Hensoldt Sensors Gmbh Div Seps (DEU) |
| BL2669520 | Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU) |
| SN74LS221N PRIMARY | Texas Instruments Incorporated (USA) |
| C72067-Z9009-L221 | Siemens Agautomatisierungstechnik Aut A13 (DEU) |
| ICE014461 | Trend Networks Services (GBR) |
| 640-131 | Rs Components SAS (FRA) |
| Reference | Meaning |
|---|---|
| SN74LS221N | 5/9 Secondary reference Adelco Elektronik Gmbh |
| SN74LS221NA | 5/9 Secondary reference Adelco Elektronik Gmbh |
| Q67000-K74-F9 | 5/9 Secondary reference Epcos Ag Abt. Pr Roe K Pm |
NSN 5962-01-064-1303 is a Microcircuit,digital, manufactured by Texas Instruments Incorporated, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-064-1303 has 8 manufacturer part numbers on file: SN74LS221N (Rs Components SAS), Q67000-K74-F9 (Tdk Electronics Ag), 5L5441-013-99 (Hensoldt Sensors Gmbh Div Seps), BL2669520 (Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S), SN74LS221N (Texas Instruments Incorporated) and 3 more.
1 possible match (shared part number, not a government interchangeability claim): 5962-01-110-2831. Verify interchangeability with system specifications before substitution.
Key specifications for SN74LS221N: Inclosure Material: PLASTIC; Design Function and Quantity: 2 MULTIVIBRATOR, MONOSTABLE; Body Width: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN; Features Provided: MONOLITHIC AND RESETTABLE. 9 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 5962-01-064-1303 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.