PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B640-143Autocoupler Assembl

Northrop Grumman Systems Corporation · NSN 2040-00-949-8443 · FSC 2040 · No Item Name Available
Verified by PartsTable
NSN 2040-00-949-8443 — this item is cataloged by the U.S. Government under National Stock Number 2040-00-949-8443. Primary manufacturer part number: B640-143.
Features
  • Autocoupler Assembl — FSC 2040
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Autocoupler Assembl, cataloged under National Stock Number 2040-00-949-8443, is classified within Federal Supply Class 2040 (No Item Name Available) of the Ship and Marine Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameAutocoupler Assembl
FSC / FSG2040 — No Item Name Available (FSG 20)
ManufacturersNorthrop Grumman Systems Corporation (CAGE 03956); L3 Technologies, Inc. Div L3 Keo (CAGE 34228)
Technical Specifications
ParameterValue
NSN2040-00-949-8443
Primary Part NumberB640-143
Item NameAutocoupler Assembl
FSC / FSG2040 / 20 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6540-01-487-3572A-107 INTERCHANGEABLE
Cart Mobile with Keyboard Shelf
Sonomed, Inc. Dba Sonomed Escalon
6105-01-502-883101-0300 INTERCHANGEABLE
Motor,alternating Current
Ward Leonard Ct Llc
Cross-Reference Index
Part NumberManufacturer
B640-143 PRIMARY Northrop Grumman Systems Corporation (USA)
B640-143 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
010300 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
6540-01-487-3572INTERCHANGEABLE
CART MOBILE WITH KEYBOARD SHELF
A-107
6105-01-502-8831INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
01-0300

Frequently Asked Questions

What is NSN 2040-00-949-8443?

NSN 2040-00-949-8443 is a Autocoupler Assembl, manufactured by Northrop Grumman Systems Corporation, classified under FSC 2040 (No Item Name Available). Status: active.

What are the part numbers for NSN 2040-00-949-8443?

NSN 2040-00-949-8443 has 3 cross-referenced part numbers: B640-143 (Northrop Grumman Systems Corporation), B640-143 (L3 Technologies, Inc. Div L3 Keo), 010300 (L3 Technologies, Inc. Div L3 Keo).

What NSN replaces 2040-00-949-8443?

There are 2 known substitutes for 2040-00-949-8443: 6540-01-487-3572, 6105-01-502-8831. Verify interchangeability with system specifications before substitution.

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