PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

21798Link,arm Unit

Aerosonic Llc · NSN 6610-00-241-8904 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-00-241-8904 — this item is cataloged by the U.S. Government under National Stock Number 6610-00-241-8904. Primary manufacturer part number: 21798.
Features
  • Link,arm Unit — FSC 6610
  • 1 verified cross-reference
  • Primary manufacturer: Aerosonic Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Link,arm Unit, cataloged under National Stock Number 6610-00-241-8904, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Aerosonic Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6610-00-241-8904
Primary Part Number21798
Item NameLink,arm Unit
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerAerosonic Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4330-00-336-939299121798 INTERCHANGEABLE
Filter Element,fluid
Alfa Laval Inc
5930-00-432-0566C415-3 INTERCHANGEABLE
Switch,thermostatic
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
3455-00-540-273021798 INTERCHANGEABLE
Blade,hole Saw
Black and Decker Us Inc
5930-00-944-376021798 INTERCHANGEABLE
Switch,push
Mason Electric Co. Dba Mason Controls
3610-01-061-6360 INTERCHANGEABLE
Compuwriter
6115-01-210-410621798 INTERCHANGEABLE
Exciter,stator
Westerbeke Corporation
5330-01-268-2683415960 INTERCHANGEABLE
Seal,plain
Federal-Mogul Corp Government Sales Dept
Cross-Reference Index
Part NumberManufacturer
21798 PRIMARY Aerosonic Llc (USA)
Related Parts
4330-00-336-9392INTERCHANGEABLE
FILTER ELEMENT,FLUID
99121798
5930-00-432-0566INTERCHANGEABLE
SWITCH,THERMOSTATIC
C415-3
3455-00-540-2730INTERCHANGEABLE
BLADE,HOLE SAW
21798
5930-00-944-3760INTERCHANGEABLE
SWITCH,PUSH
21798
3610-01-061-6360INTERCHANGEABLE
COMPUWRITER
6115-01-210-4106INTERCHANGEABLE
EXCITER,STATOR
21798
5330-01-268-2683INTERCHANGEABLE
SEAL,PLAIN
415960

Frequently Asked Questions

What is NSN 6610-00-241-8904?

NSN 6610-00-241-8904 is a Link,arm Unit, manufactured by Aerosonic Llc, classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-00-241-8904?

NSN 6610-00-241-8904 has 1 cross-referenced part number: 21798 (Aerosonic Llc).

What NSN replaces 6610-00-241-8904?

There are 7 known substitutes for 6610-00-241-8904: 4330-00-336-9392, 5930-00-432-0566, 3455-00-540-2730 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21798?

Key specifications for 21798: End Item Identification: A-7 CORSAIR II AIRCRAFT. 1 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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