PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-383-1-41Sensor,speed Log,electromagnetic

Airmar Technology Corp Dba Airmar Technology Corp · NSN 6605-01-554-7803 · FSC 6605 · No Item Name Available
Verified by PartsTable
NSN 6605-01-554-7803 — this item is cataloged by the U.S. Government under National Stock Number 6605-01-554-7803. Primary manufacturer part number: 31-383-1-41.
Features
  • Sensor,speed Log,electromagnetic — FSC 6605
  • Voltage in Volts and Current Type: 5.0 DC AND 25.0 DC
  • Overall Diameter: 2.940 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Airmar Technology Corp Dba Airmar Technology Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sensor,speed Log,electromagnetic, cataloged under National Stock Number 6605-01-554-7803, is classified within Federal Supply Class 6605 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Airmar Technology Corp Dba Airmar Technology Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6605-01-554-7803
Primary Part Number31-383-1-41
Item NameSensor,speed Log,electromagnetic
FSC / FSG6605 / 66 — No Item Name Available
ManufacturerAirmar Technology Corp Dba Airmar Technology Corp
StatusACTIVE
Voltage in Volts and Current Type5.0 DC AND 25.0 DC
Overall Diameter2.940 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6250-00-023-6868MS-11 INTERCHANGEABLE
Lampholder
Major Liting Inc
5315-00-854-3175S300 INTERCHANGEABLE
Pin
Cummins Inc.
5331-00-859-6340S300 INTERCHANGEABLE
O-Ring
The Gorman-Rupp Company Div Gorman-Rupp
5120-01-072-9780 INTERCHANGEABLE
Wrench,torque
4820-01-149-7868301.1/2-3/51 INTERCHANGEABLE
Disk,valve
Apco/valve & Primer Corp
5331-01-198-4682 INTERCHANGEABLE
O-Ring
5130-01-201-4980S-300N INTERCHANGEABLE
Blind Nut Setter
Fastening Systems International
4820-01-299-5678 INTERCHANGEABLE
Valve,check
3460-01-353-8107S-300 INTERCHANGEABLE
Sleeve,expansion Mandrel
Sunnen Products Co
3805-01-569-6681S300 INTERCHANGEABLE
Loader,scoop Type
Doosan Bobcat North America, Inc. Div Bobcat Company
Cross-Reference Index
Part NumberManufacturer
S300 Airmar Technology Corp Dba Airmar Technology Corp (USA)
31-383-1-41 PRIMARY Airmar Technology Corp Dba Airmar Technology Corp (USA)
Related Parts
6250-00-023-6868INTERCHANGEABLE
LAMPHOLDER
MS-11
5315-00-854-3175INTERCHANGEABLE
PIN
S300
5331-00-859-6340INTERCHANGEABLE
O-RING
S300
5120-01-072-9780INTERCHANGEABLE
WRENCH,TORQUE
4820-01-149-7868INTERCHANGEABLE
DISK,VALVE
301.1/2-3/51
5331-01-198-4682INTERCHANGEABLE
O-RING
5130-01-201-4980INTERCHANGEABLE
BLIND NUT SETTER
S-300N
4820-01-299-5678INTERCHANGEABLE
VALVE,CHECK
3460-01-353-8107INTERCHANGEABLE
SLEEVE,EXPANSION MANDREL
S-300
3805-01-569-6681INTERCHANGEABLE
LOADER,SCOOP TYPE
S300

Frequently Asked Questions

What is NSN 6605-01-554-7803?

NSN 6605-01-554-7803 is a Sensor,speed Log,electromagnetic, manufactured by Airmar Technology Corp Dba Airmar Technology Corp, classified under FSC 6605 (No Item Name Available). Status: active.

What are the part numbers for NSN 6605-01-554-7803?

NSN 6605-01-554-7803 has 2 cross-referenced part numbers: S300 (Airmar Technology Corp Dba Airmar Technology Corp), 31-383-1-41 (Airmar Technology Corp Dba Airmar Technology Corp).

What NSN replaces 6605-01-554-7803?

There are 10 known substitutes for 6605-01-554-7803: 6250-00-023-6868, 5315-00-854-3175, 5331-00-859-6340 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31-383-1-41?

Key specifications for 31-383-1-41: Voltage in Volts and Current Type: 5.0 DC AND 25.0 DC; Part Name Assigned by Controlling Agency: (INAVY) SPEED SENSOR; Overall Height: 3.570 INCHES NOMINAL IN; Special Features: SELF CLOSING VALVE ELIMINATES FLOW OF WATER INTO THE HULL WHEN PADDLEWHEEL INSERT IS REMOVED FOR EASY SERVICE OR STORAGE; MOUNTING HOLE IS 2.00 INCH DIAMETER; INCLUDES RUBBER WASHER WHICH ALLOWS TIGHTENING OF THE HULL NUT TO IRREGULAR HULL SURFACES IN. 6 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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