PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

72446Rotor Arm

Frontgrade Technologies Inc. · NSN 5840-00-766-7767 · FSC 5840 · No Item Name Available
Verified by PartsTable
NSN 5840-00-766-7767 — this item is cataloged by the U.S. Government under National Stock Number 5840-00-766-7767. Primary manufacturer part number: 72446.
Features
  • Rotor Arm — FSC 5840
  • 5 verified cross-references
  • Primary manufacturer: Frontgrade Technologies Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Rotor Arm, cataloged under National Stock Number 5840-00-766-7767, is classified within Federal Supply Class 5840 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Frontgrade Technologies Inc.. This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameRotor Arm
FSC / FSG5840 — No Item Name Available (FSG 58)
ManufacturersLitton Systems Inc Airtron Div (CAGE 80006); Frontgrade Technologies Inc. (CAGE 66544); Atlantic Microwave Corporation Div Cobham Electronic Systems (CAGE 28916)
Technical Specifications
ParameterValue
NSN5840-00-766-7767
Primary Part Number72446
Item NameRotor Arm
FSC / FSG5840 / 58 — No Item Name Available
ManufacturerFrontgrade Technologies Inc.
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4730-00-469-773172-2076 INTERCHANGEABLE
Coupling Assembly,quick Disconne
Itw Industrial Finishing Dba Binks Devilbiss
Cross-Reference Index
Part NumberManufacturer
72446 Litton Systems Inc Airtron Div (USA)
C72446 Frontgrade Technologies Inc. (USA)
C72446 Atlantic Microwave Corporation Div Cobham Electronic Systems (USA)
C72446 Litton Systems Inc Airtron Div (USA)
72446 PRIMARY Frontgrade Technologies Inc. (USA)
Related Parts
4730-00-469-7731INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
72-2076

Frequently Asked Questions

What is NSN 5840-00-766-7767?

NSN 5840-00-766-7767 is a Rotor Arm, manufactured by Frontgrade Technologies Inc., classified under FSC 5840 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5840-00-766-7767?

NSN 5840-00-766-7767 has 5 cross-referenced part numbers: 72446 (Litton Systems Inc Airtron Div), C72446 (Frontgrade Technologies Inc.), C72446 (Atlantic Microwave Corporation Div Cobham Electronic Systems), C72446 (Litton Systems Inc Airtron Div), 72446 (Frontgrade Technologies Inc.).

What NSN replaces 5840-00-766-7767?

There is 1 known substitute for 5840-00-766-7767: 4730-00-469-7731. Verify interchangeability with system specifications before substitution.

Is NSN 5840-00-766-7767 still in active supply?

NSN 5840-00-766-7767 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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