The Microcircuit,digital, cataloged under National Stock Number 5962-01-155-0868, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Stmicroelectronics Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5962-01-155-0868 |
| Primary Part Number | EF6840CMB |
| Item Name | Microcircuit,digital |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | Stmicroelectronics Inc |
| Status | ACTIVE |
| Input Circuit Pattern | 22 INPUT |
| Inclosure Material | CERAMIC |
| Terminal Surface Treatment | GOLD |
| Precious Material | GOLD |
| Design Function and Quantity | 1 TIMER |
| Body Width | 0.500 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN |
| Body Height | 0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Features Provided | HERMETICALLY SEALED AND PROGRAMMED AND W/RESET AND W/ENABLE AND W/CLOCK |
| Inclosure Configuration | DUAL-IN-LINE |
| Body Length | 1.435 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN |
| Storage Temp Range | -55.0 TO 150.0 CELSIUS DEGC |
| Output Logic Form | N-TYPE METAL OXIDE-SEMICONDUCTOR LOGIC |
| Voltage Rating and Type Per Characteristic | 7.0 VOLTS MAXIMUM POWER SOURCE |
| Precious Material and Location | TERMINAL SURFACES GOLD |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Test Data Document | 96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| Terminal Type and Quantity | 28 PRINTED CIRCUIT |
| Maximum Power Dissipation Rating | 700.0 MILLIWATTS |
| 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 |
|---|---|
| EF6840CMB | Stmicroelectronics Inc (USA) |
| 16611103-001 | Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services (USA) |
| 12715301 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 129-110-0002-01 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| EF6840JMB/C | 5/1 Secondary reference Stmicroelectronics Inc |
| EF6840CMB/C | 5/1 Secondary reference Stmicroelectronics Inc |
| 6840/BXAJC | 5/1 Secondary reference Freescale Semiconductor, Inc. |
| MC6840BTBA | C/1 Advisory reference — outside the item-of-supply concept Freescale Semiconductor, Inc. |
| MC6840BTCA | 3/9 Design control — primary reference Freescale Semiconductor, Inc. |
| 115396-0003 | C/1 Advisory reference — outside the item-of-supply concept Thales Usa, Inc. Div Air Mobility Solutions ("ams") |
NSN 5962-01-155-0868 is a Microcircuit,digital, manufactured by Stmicroelectronics Inc, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-155-0868 has 3 manufacturer part numbers on file: EF6840CMB (Stmicroelectronics Inc), 16611103-001 (Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services), 12715301 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
2 possible matches (shared part number, not a government interchangeability claim): 5962-01-260-3903, 5962-01-309-5737. Verify interchangeability with system specifications before substitution.
Key specifications for EF6840CMB: Input Circuit Pattern: 22 INPUT; Inclosure Material: CERAMIC; Terminal Surface Treatment: GOLD; Precious Material: GOLD. 18 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 5962-01-155-0868 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.