PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35511Speed Sensor,turbine Engine

Lockheed Martin Aeronautical Systems Support Company Dba Lmassc · NSN 6680-01-663-7103 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-663-7103 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-663-7103. Primary manufacturer part number: 35511.
Features
  • Speed Sensor,turbine Engine — FSC 6680
  • 2 verified cross-references
  • Primary manufacturer: Lockheed Martin Aeronautical Systems Support Company Dba Lmassc
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Speed Sensor,turbine Engine, cataloged under National Stock Number 6680-01-663-7103, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lockheed Martin Aeronautical Systems Support Company Dba Lmassc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-663-7103
Primary Part Number35511
Item NameSpeed Sensor,turbine Engine
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerLockheed Martin Aeronautical Systems Support Company Dba Lmassc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5935-00-619-3687 INTERCHANGEABLE
Connector,receptacle,electrical
5920-00-841-9928 INTERCHANGEABLE
Fuseholder,block
5330-00-915-455835511-51 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
6210-01-125-26253551-1 INTERCHANGEABLE
Light Assembly,indicator
Safran Electronics & Defense, Avionics Usa, Llc
5330-01-278-9562355-11A INTERCHANGEABLE
Retainer,packing
Magnatrol Valve Corp Div Clark-Cooper
Cross-Reference Index
Part NumberManufacturer
35511 PRIMARY Lockheed Martin Aeronautical Systems Support Company Dba Lmassc (USA)
035511000 Leonardo Spa Aeronautics Division - Torino Site (ITA)
Related Parts
5935-00-619-3687INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5920-00-841-9928INTERCHANGEABLE
FUSEHOLDER,BLOCK
5330-00-915-4558INTERCHANGEABLE
GASKET
35511-51
6210-01-125-2625INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR
3551-1
5330-01-278-9562INTERCHANGEABLE
RETAINER,PACKING
355-11A

Frequently Asked Questions

What is NSN 6680-01-663-7103?

NSN 6680-01-663-7103 is a Speed Sensor,turbine Engine, manufactured by Lockheed Martin Aeronautical Systems Support Company Dba Lmassc, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-663-7103?

NSN 6680-01-663-7103 has 2 cross-referenced part numbers: 35511 (Lockheed Martin Aeronautical Systems Support Company Dba Lmassc), 035511000 (Leonardo Spa Aeronautics Division - Torino Site).

What NSN replaces 6680-01-663-7103?

There are 5 known substitutes for 6680-01-663-7103: 5935-00-619-3687, 5920-00-841-9928, 5330-00-915-4558 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 35511?

Key specifications for 35511: End Item Identification: AIRCRAFT C27J; Part Name Assigned by Controlling Agency: SPEED SENSOR,TURBINE ENGINE. 2 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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