PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11B18-2Aquastat

Emerson Electric Co White Rodgers Co Div · NSN 6685-00-359-5370 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-359-5370 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-359-5370. Primary manufacturer part number: 11B18-2.
Features
  • Aquastat — FSC 6685
  • 8 verified cross-references
  • Primary manufacturer: Emerson Electric Co White Rodgers Co Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Aquastat, cataloged under National Stock Number 6685-00-359-5370, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Emerson Electric Co White Rodgers Co Div. This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameAquastat
FSC / FSG6685 — No Item Name Available (FSG 66)
ManufacturersAmetek Inc Heat Transfer Div (CAGE 60883); Emerson Electric Co White Rodgers Co Div (CAGE 65289); Prosperity a Div of Ametek Inc (CAGE 49200); D & J Parts Inc (CAGE 54108); L & L Boiler Maintenance Inc (CAGE 0ATF2)
Technical Specifications
ParameterValue
NSN6685-00-359-5370
Primary Part Number11B18-2
Item NameAquastat
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerEmerson Electric Co White Rodgers Co Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4820-00-566-303311-188 INTERCHANGEABLE
Valve,power Supply
Actronics Incorporated Dba Actronics Inc
4320-00-600-8818 INTERCHANGEABLE
Pump,hydraulic
5950-00-621-9014 INTERCHANGEABLE
Reactor
2930-00-706-1323 INTERCHANGEABLE
Impeller,fan,axial
5960-00-752-5384 INTERCHANGEABLE
Electron Tube
3120-00-809-531111188 INTERCHANGEABLE
Bearing,washer,thrust
Allianz Sweeper Company
5930-01-145-4100 INTERCHANGEABLE
Switch,reed
6145-01-257-6630 INTERCHANGEABLE
Cable,power,electrical
5133-01-372-268831774 INTERCHANGEABLE
Drill,twist
New York Twist Drill Inc
5836-01-397-8435 INTERCHANGEABLE
Tape,video Recording
Cross-Reference Index
Part NumberManufacturer
59-48A Ametek Inc Heat Transfer Div (USA)
B2 Emerson Electric Co White Rodgers Co Div (USA)
1118-8 Emerson Electric Co White Rodgers Co Div (USA)
10994-10 Prosperity a Div of Ametek Inc (USA)
320104009 D & J Parts Inc (USA)
11B18-2 PRIMARY Emerson Electric Co White Rodgers Co Div (USA)
1118-32 Emerson Electric Co White Rodgers Co Div (USA)
320104009 L & L Boiler Maintenance Inc (USA)
Related Parts
4820-00-566-3033INTERCHANGEABLE
VALVE,POWER SUPPLY
11-188
4320-00-600-8818INTERCHANGEABLE
PUMP,HYDRAULIC
5950-00-621-9014INTERCHANGEABLE
REACTOR
2930-00-706-1323INTERCHANGEABLE
IMPELLER,FAN,AXIAL
5960-00-752-5384INTERCHANGEABLE
ELECTRON TUBE
3120-00-809-5311INTERCHANGEABLE
BEARING,WASHER,THRUST
11188
5930-01-145-4100INTERCHANGEABLE
SWITCH,REED
6145-01-257-6630INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
5133-01-372-2688INTERCHANGEABLE
DRILL,TWIST
31774
5836-01-397-8435INTERCHANGEABLE
TAPE,VIDEO RECORDING
6530-01-573-1740INTERCHANGEABLE
CAP,SAFETY BOTTLE
TS-ONE38

Frequently Asked Questions

What is NSN 6685-00-359-5370?

NSN 6685-00-359-5370 is a Aquastat, manufactured by Emerson Electric Co White Rodgers Co Div, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-359-5370?

NSN 6685-00-359-5370 has 8 cross-referenced part numbers: 59-48A (Ametek Inc Heat Transfer Div), B2 (Emerson Electric Co White Rodgers Co Div), 1118-8 (Emerson Electric Co White Rodgers Co Div), 10994-10 (Prosperity a Div of Ametek Inc), 320104009 (D & J Parts Inc) and 3 more.

What NSN replaces 6685-00-359-5370?

There are 11 known substitutes for 6685-00-359-5370: 4820-00-566-3033, 4320-00-600-8818, 5950-00-621-9014 and 8 more. Verify interchangeability with system specifications before substitution.

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