PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

IC/SB-1Sensor,salinity

Marine Electric Systems Inc · NSN 6680-01-244-0770 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-244-0770 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-244-0770. Primary manufacturer part number: IC/SB-1.
Features
  • Sensor,salinity — FSC 6680
  • Material: COPPER ALLOY AND STEEL CORROSION RESISTING
  • 6 verified cross-references
  • Primary manufacturer: Marine Electric Systems Inc
Applications
  • Applications requiring Copper Alloy and Steel Corrosion Resisting construction
General Description

The Sensor,salinity, cataloged under National Stock Number 6680-01-244-0770, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Marine Electric Systems Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6680-01-244-0770
Primary Part NumberIC/SB-1
Item NameSensor,salinity
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerMarine Electric Systems Inc
StatusCANCELLED
MaterialCOPPER ALLOY AND STEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5895-00-090-1502PM52031 INTERCHANGEABLE
Panel,indicator
Marine Electric Systems Inc
6695-00-504-2855PM5471 INTERCHANGEABLE
Panel,indicator
Marine Electric Systems Inc
5325-01-076-7559500993 INTERCHANGEABLE
Ring,retaining
Huck International, Inc. Div Kingston Operations
5905-01-234-7936IC/CTR-3 INTERCHANGEABLE
Resistor,test Cell
Marine Electric Systems Inc
2990-01-268-5395500993 INTERCHANGEABLE
Muffler,exhaust
Tymco, Inc
4330-01-418-6830204447 INTERCHANGEABLE
Support,fluid Filter Element
Admiral Filter Company Llc
6320-01-445-5072 INTERCHANGEABLE
Panel,salinity Monitoring and Al
5905-01-549-4094FN-2-10399 INTERCHANGEABLE
Resistor,thermal
Marine Electric Systems Inc
5905-01-549-4098FN-2-10400 INTERCHANGEABLE
Resistor,thermal
Marine Electric Systems Inc
5905-01-549-4100FN-2-10398 INTERCHANGEABLE
Resistor,thermal
Marine Electric Systems Inc
Cross-Reference Index
Part NumberManufacturer
IC/SB-1 Marine Electric Systems Inc (USA)
MIL-S-15103 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
IC/SB-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
204447 Marine Electric Systems Inc (USA)
500993 Marine Electric Systems Inc (USA)
500993 P/N-IC/SB-1 Marine Electric Systems Inc (USA)
Related Parts
5895-00-090-1502INTERCHANGEABLE
PANEL,INDICATOR
PM52031
6695-00-504-2855INTERCHANGEABLE
PANEL,INDICATOR
PM5471
5325-01-076-7559INTERCHANGEABLE
RING,RETAINING
500993
5905-01-234-7936INTERCHANGEABLE
RESISTOR,TEST CELL
IC/CTR-3
2990-01-268-5395INTERCHANGEABLE
MUFFLER,EXHAUST
500993
4330-01-418-6830INTERCHANGEABLE
SUPPORT,FLUID FILTER ELEMENT
204447
6320-01-445-5072INTERCHANGEABLE
PANEL,SALINITY MONITORING AND AL
5905-01-549-4094INTERCHANGEABLE
RESISTOR,THERMAL
FN-2-10399
5905-01-549-4098INTERCHANGEABLE
RESISTOR,THERMAL
FN-2-10400
5905-01-549-4100INTERCHANGEABLE
RESISTOR,THERMAL
FN-2-10398
5330-01-550-2903INTERCHANGEABLE
PACKING,PREFORMED
FN-10055

Frequently Asked Questions

What is NSN 6680-01-244-0770?

NSN 6680-01-244-0770 is a Sensor,salinity, manufactured by Marine Electric Systems Inc, classified under FSC 6680 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6680-01-244-0770?

NSN 6680-01-244-0770 has 6 cross-referenced part numbers: IC/SB-1 (Marine Electric Systems Inc), MIL-S-15103 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), IC/SB-1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 204447 (Marine Electric Systems Inc), 500993 (Marine Electric Systems Inc) and 1 more.

What NSN replaces 6680-01-244-0770?

There are 11 known substitutes for 6680-01-244-0770: 5895-00-090-1502, 6695-00-504-2855, 5325-01-076-7559 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of IC/SB-1?

Key specifications for IC/SB-1: Overall Height: 1.150 INCHES NOMINAL IN; Material: COPPER ALLOY AND STEEL CORROSION RESISTING; Part Name Assigned by Controlling Agency: SENSOR SALINITY BUILT IAW MIL-S-15103I/F WORKING TEMP 250 DEG F. DEGF; Special Features: SALINITY SENSOR IS BUILT IN ACCORDANCE WITH MIL-S-15103E/F; MOUNTS TO GATE VALVE ASSY; WT: 1.750 LBS; WORKING TEMP: 250 DEG F; TEST TEMP: 300 DEG F; CLEARANCE TO EXCHANGE SENSOR IS 12 IN.; PLUG ON END LBS. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6680-01-244-0770 still in active supply?

NSN 6680-01-244-0770 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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