PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73419Interlock Assembly

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple · NSN 4920-00-908-8120 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-908-8120 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-908-8120. Primary manufacturer part number: 73419.
Features
  • Interlock Assembly — FSC 4920
  • 2 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Interlock Assembly, cataloged under National Stock Number 4920-00-908-8120, 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 Dba Northrop Grumman Systems Corp Div Multiple. This item has 2 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 NameInterlock Assembly
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersNorthrop Grumman Systems Corporation Div Es Defensive Systems Division (CAGE 15280); Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (CAGE 26916)
Technical Specifications
ParameterValue
NSN4920-00-908-8120
Primary Part Number73419
Item NameInterlock Assembly
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
9540-00-251-2574 INTERCHANGEABLE
Angle,structural
5365-00-515-852573419 INTERCHANGEABLE
Shim
Telemechanics Inc
5305-01-568-197873419 INTERCHANGEABLE
Screw,cap,socket Head
Fastenal Company Div Flpan
Cross-Reference Index
Part NumberManufacturer
73419 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
73419 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
Related Parts
9540-00-251-2574INTERCHANGEABLE
ANGLE,STRUCTURAL
5365-00-515-8525INTERCHANGEABLE
SHIM
73419
5305-01-568-1978INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
73419

Frequently Asked Questions

What is NSN 4920-00-908-8120?

NSN 4920-00-908-8120 is a Interlock Assembly, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-908-8120?

NSN 4920-00-908-8120 has 2 cross-referenced part numbers: 73419 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), 73419 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).

What NSN replaces 4920-00-908-8120?

There are 3 known substitutes for 4920-00-908-8120: 9540-00-251-2574, 5365-00-515-8525, 5305-01-568-1978. Verify interchangeability with system specifications before substitution.

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