PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

123SEAV10491-87Component Board

Northrop Grumman Systems Corporation · NSN 4920-00-688-7819 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-688-7819 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-688-7819. Primary manufacturer part number: 123SEAV10491-87.
Features
  • Component Board — FSC 4920
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Component Board, cataloged under National Stock Number 4920-00-688-7819, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameComponent Board
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersNorthrop Grumman Systems Corporation (CAGE 26512); Bae Systems Information and Electronic Systems Integration Inc. (CAGE 80249); Northrop Grumman Systems Corporation (CAGE 79RG9)
Technical Specifications
ParameterValue
NSN4920-00-688-7819
Primary Part Number123SEAV10491-87
Item NameComponent Board
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4220-00-066-24451000-23 INTERCHANGEABLE
Block,spring
Aqualung Usa, Inc
5306-00-925-3904106208 INTERCHANGEABLE
Bolt,clevis
Air Logistics Corporation Dba Air Logistics Corp
1680-01-651-4151106208 INTERCHANGEABLE
Nrp,assy,salinity C
Parker Hannifin Corporation Div Village Marine Tech
Cross-Reference Index
Part NumberManufacturer
123SEAV10491-87 Northrop Grumman Systems Corporation (USA)
106208 Bae Systems Information and Electronic Systems Integration Inc. (USA)
123SEAV10491-87 Northrop Grumman Systems Corporation (USA)
Related Parts
4220-00-066-2445INTERCHANGEABLE
BLOCK,SPRING
1000-23
5306-00-925-3904INTERCHANGEABLE
BOLT,CLEVIS
106208
1680-01-651-4151INTERCHANGEABLE
NRP,ASSY,SALINITY C
106208

Frequently Asked Questions

What is NSN 4920-00-688-7819?

NSN 4920-00-688-7819 is a Component Board, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-688-7819?

NSN 4920-00-688-7819 has 3 cross-referenced part numbers: 123SEAV10491-87 (Northrop Grumman Systems Corporation), 106208 (Bae Systems Information and Electronic Systems Integration Inc.), 123SEAV10491-87 (Northrop Grumman Systems Corporation).

What NSN replaces 4920-00-688-7819?

There are 3 known substitutes for 4920-00-688-7819: 4220-00-066-2445, 5306-00-925-3904, 1680-01-651-4151. Verify interchangeability with system specifications before substitution.

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