The Microcircuit,digital, cataloged under National Stock Number 5962-01-166-6611, 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 10 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5962-01-166-6611 |
| Primary Part Number | SNJ54LS640J |
| Item Name | Microcircuit,digital |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | Texas Instruments Incorporated |
| Status | ACTIVE |
| Input Circuit Pattern | 18 INPUT |
| Inclosure Material | CERAMIC |
| Body Width | 6.7 MILLIMETERS MINIMUM AND 7.6 MILLIMETERS MAXIMUM MM |
| Body Height | 4.0 MILLIMETERS MAXIMUM MM |
| Features Provided | BURN IN, MIL-STD-883, CLASS B AND MONOLITHIC AND POSITIVE OUTPUTS AND 3-STATE OUTPUT AND W/OPEN COLLECTOR |
| Inclosure Configuration | DUAL-IN-LINE |
| Body Length | 24.3 MILLIMETERS MINIMUM AND 25.2 MILLIMETERS MAXIMUM MM |
| Storage Temp Range | -65.0 TO 150.0 CELSIUS DEGC |
| Output Logic Form | TRANSISTOR-TRANSISTOR LOGIC |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| 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 |
|---|---|
| 445/4/13239/052 | Bae Systems Maritime Services (GBR) |
| 670287 | Logimetrics Inc (USA) |
| 115398-0003 | Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA) |
| SNJ54LS640J PRIMARY | Texas Instruments Incorporated (USA) |
| 3596360-1 | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA) |
| Reference | Meaning |
|---|---|
| 54LS640BRBJC | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| SNJ54LS640J00 | 5/9 Secondary reference Texas Instruments Incorporated |
| 74LS640 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 445/4/13239/052 | 5/9 Secondary reference G E C Marconi S3i Ltd Combat Systems Division |
| 162991-001 | 5/2 Secondary reference U.S. Government activity |
| ES5744-01 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
NSN 5962-01-166-6611 is a Microcircuit,digital, manufactured by Texas Instruments Incorporated, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-166-6611 has 5 manufacturer part numbers on file: 445/4/13239/052 (Bae Systems Maritime Services), 670287 (Logimetrics Inc), 115398-0003 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")), SNJ54LS640J (Texas Instruments Incorporated), 3596360-1 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-254-9304. Verify interchangeability with system specifications before substitution.
Key specifications for SNJ54LS640J: Input Circuit Pattern: 18 INPUT; Inclosure Material: CERAMIC; Body Width: 6.7 MILLIMETERS MINIMUM AND 7.6 MILLIMETERS MAXIMUM MM; Body Height: 4.0 MILLIMETERS MAXIMUM MM. 10 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 5962-01-166-6611 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.