PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B838Battery,storage

Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan · NSN 6140-01-511-4933 · FSC 6140 · No Item Name Available
Verified by PartsTable
NSN 6140-01-511-4933 — this item is cataloged by the U.S. Government under National Stock Number 6140-01-511-4933. Primary manufacturer part number: B838.
Features
  • Battery,storage — FSC 6140
  • 4 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Applications
  • Electrical power distribution
  • Generator and power systems
  • Industrial motor installations
General Description

The Battery,storage, cataloged under National Stock Number 6140-01-511-4933, is classified within Federal Supply Class 6140 (No Item Name Available) of the Electric Wire, Power, and Distribution Equipment group. The primary manufacturer of record is Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6140-01-511-4933
Primary Part NumberB838
Item NameBattery,storage
FSC / FSG6140 / 61 — No Item Name Available
ManufacturerLockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
5962-00-283-1698UEF3684 INTERCHANGEABLE
Microcircuit,digital
Sprague Electric Co World Hqs
6210-00-441-5138 INTERCHANGEABLE
Filter,indicator Light
4730-01-136-629967210-1 INTERCHANGEABLE
Plug,pipe
L3harris Technologies, Inc. Div Space and Airborne Systems
5310-01-657-7967 INTERCHANGEABLE
Washer Blank
Cross-Reference Index
Part NumberManufacturer
B838 PRIMARY Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
B838 Lockheed Martin Corporation Div Rms - Manassas (USA)
6-721-01 Drs C3 & Aviation Company Dba Fka Drs Electronic Systems (USA)
6-721-01 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
Related Parts
5962-00-283-1698INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
UEF3684
6210-00-441-5138INTERCHANGEABLE
FILTER,INDICATOR LIGHT
4730-01-136-6299INTERCHANGEABLE
PLUG,PIPE
67210-1
5310-01-657-7967INTERCHANGEABLE
WASHER BLANK

Frequently Asked Questions

What is NSN 6140-01-511-4933?

NSN 6140-01-511-4933 is a Battery,storage, manufactured by Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan, classified under FSC 6140 (No Item Name Available). Status: active.

What are the part numbers for NSN 6140-01-511-4933?

NSN 6140-01-511-4933 has 4 cross-referenced part numbers: B838 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), B838 (Lockheed Martin Corporation Div Rms - Manassas), 6-721-01 (Drs C3 & Aviation Company Dba Fka Drs Electronic Systems), 6-721-01 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan).

What NSN replaces 6140-01-511-4933?

There are 4 known substitutes for 6140-01-511-4933: 5962-00-283-1698, 6210-00-441-5138, 4730-01-136-6299 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B838?

Key specifications for B838: Part Name Assigned by Controlling Agency: BATTERY,STORAGE; End Item Identification: AN/UYQ-70(V) ADV DISPLAY SYS N/A FOR COSAL USE. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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