PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4000-S4-50-400FThermometer,self-Indicating,bime

Moeller Instrument Company, Inc. Dba Moeller Instrument Co · NSN 6685-00-702-2566 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-702-2566 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-702-2566. Primary manufacturer part number: 4000-S4-50-400F.
Features
  • Thermometer,self-Indicating,bime — FSC 6685
  • Scale Accuracy Rating: 1 PCT ENTIRE RANGE
  • Scale Inscription/background Color: BLACK MARKING ON WHITE BACKGROUND
  • Dial Diameter: 5.000 INCHES NOMINAL IN
  • Style Designator: ADJUSTABLE ANGLE
  • Material: STEEL CORROSION RESISTING METER CASE
  • Scale Smallest Increment: 5.0 DEG FAHRENHEIT
  • Scale Type: CONCENTRIC DIAL
Applications
  • Applications requiring Steel Corrosion Resisting Meter Case construction
General Description

The Thermometer,self-Indicating,bime, cataloged under National Stock Number 6685-00-702-2566, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Moeller Instrument Company, Inc. Dba Moeller Instrument Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-702-2566
Primary Part Number4000-S4-50-400F
Item NameThermometer,self-Indicating,bime
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerMoeller Instrument Company, Inc. Dba Moeller Instrument Co
StatusACTIVE
Scale Accuracy Rating1 PCT ENTIRE RANGE
Scale Inscription/background ColorBLACK MARKING ON WHITE BACKGROUND
Dial Diameter5.000 INCHES NOMINAL IN
Style DesignatorADJUSTABLE ANGLE
MaterialSTEEL CORROSION RESISTING METER CASE
Scale Smallest Increment5.0 DEG FAHRENHEIT
Scale TypeCONCENTRIC DIAL
Scale Measurement Range+50.000 TO 400.000 DEG FAHRENHEIT
Stem Length4.000 INCHES NOMINAL IN
Features ProvidedPROTECTIVE GLASS/PLASTIC
Design TypeFLUCTUATING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-152-3059 INTERCHANGEABLE
Gasket
4730-00-278-5738 INTERCHANGEABLE
Cup,oil,lubricating
6685-00-482-40005900 S-9 0/200F W/SAFETY LENS INTERCHANGEABLE
Thermometer,self-Indicating,bime
Moeller Instrument Company, Inc. Dba Moeller Instrument Co
6685-00-482-40025900S4 25/125DEG F INTERCHANGEABLE
Thermometer,self-Indicating,bime
Moeller Instrument Company, Inc. Dba Moeller Instrument Co
Cross-Reference Index
Part NumberManufacturer
50-EI-60E-040-50/400F Ashcroft Inc Dba Heise (USA)
250389 Moeller Instrument Company, Inc. Dba Moeller Instrument Co (USA)
4000-S4-50-400F PRIMARY Moeller Instrument Company, Inc. Dba Moeller Instrument Co (USA)
Related Parts
5330-00-152-3059INTERCHANGEABLE
GASKET
4730-00-278-5738INTERCHANGEABLE
CUP,OIL,LUBRICATING
6685-00-482-4000INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
5900 S-9 0/200F W/SAFETY LENS
6685-00-482-4002INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
5900S4 25/125DEG F

Frequently Asked Questions

What is NSN 6685-00-702-2566?

NSN 6685-00-702-2566 is a Thermometer,self-Indicating,bime, manufactured by Moeller Instrument Company, Inc. Dba Moeller Instrument Co, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-702-2566?

NSN 6685-00-702-2566 has 3 cross-referenced part numbers: 50-EI-60E-040-50/400F (Ashcroft Inc Dba Heise), 250389 (Moeller Instrument Company, Inc. Dba Moeller Instrument Co), 4000-S4-50-400F (Moeller Instrument Company, Inc. Dba Moeller Instrument Co).

What NSN replaces 6685-00-702-2566?

There are 4 known substitutes for 6685-00-702-2566: 5330-00-152-3059, 4730-00-278-5738, 6685-00-482-4000 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4000-S4-50-400F?

Key specifications for 4000-S4-50-400F: Scale Accuracy Rating: 1 PCT ENTIRE RANGE; Scale Inscription/background Color: BLACK MARKING ON WHITE BACKGROUND; Dial Diameter: 5.000 INCHES NOMINAL IN; Style Designator: ADJUSTABLE ANGLE. 12 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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