The Battery Assembly, cataloged under National Stock Number 6140-01-531-9879, is classified within Federal Supply Class 6140 (Batteries, Rechargeable) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6140-01-531-9879 |
| Primary Part Number | E1779B |
| Item Name | Battery Assembly |
| FSC / FSG | 6140 / 61 — Batteries, Rechargeable |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Mounting Method | CASE |
| Environmental Attribute Code | NON-CADMIUM PRODUCT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| E1779B PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| E1779A | 5/9 Secondary reference Keysight Technologies, Inc. |
| E1779B | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 6140-01-531-9879 is a Battery Assembly, manufactured by Keysight Technologies Inc, classified under FSC 6140, Batteries, Rechargeable. Status: active.
NSN 6140-01-531-9879 has 1 manufacturer part number on file: E1779B (Keysight Technologies Inc).
Key specifications for E1779B: Overall Height: 217.0 MILLIMETERS NOMINAL MM; Mounting Method: CASE; Overall Width: 373.0 MILLIMETERS NOMINAL MM; Special Features: OUTPUT VOLTAGE:19.2V;CAPACITY:105WATT HOURS;OPERATING TEMPERATURE:0 TO 55DEGREES CELSIUS;CHARGE TIME:6HRS AT 25DEGREES CELSIUS;SERVICE LIFE:500 CHARGE/DISCHARGE CYCLES;CHEMISTRY:NICKEL METAL HYDRIDE; INPUT VOLTAGE:90 TO 254VAC; INPUT FREQUENCY: 47 TO 66HZ; INPUT POWER:60W VAC. 2 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.