PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4849Thermometer,self-Indicating

H O Trerice Co · NSN 6685-00-954-8664 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-954-8664 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-954-8664. Primary manufacturer part number: 4849.
Features
  • Thermometer,self-Indicating — FSC 6685
  • Material: ALUMINUM METER CASE
  • Scale Adjustment Variation: 5 DIVISION5 DIVISION
  • Stem Length: 4.500 INCHES NOMINAL4.500 INCHES NOMINAL IN
  • Design Type: FLUCTUATINGFLUCTUATING
  • Actuating Medium: MERCURYMERCURY
  • Scale Inscription/background Color: BLACK MARKING ON WHITEBLACK MARKING ON WHITE
  • Scale Smallest Increment: 2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT
Applications
  • Applications requiring Aluminum Meter Case construction
General Description

The Thermometer,self-Indicating, cataloged under National Stock Number 6685-00-954-8664, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is H O Trerice Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-954-8664
Primary Part Number4849
Item NameThermometer,self-Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerH O Trerice Co
StatusACTIVE
MaterialALUMINUM METER CASE
Scale Adjustment Variation5 DIVISION5 DIVISION
Stem Length4.500 INCHES NOMINAL4.500 INCHES NOMINAL IN
Design TypeFLUCTUATINGFLUCTUATING
Actuating MediumMERCURYMERCURY
Scale Inscription/background ColorBLACK MARKING ON WHITEBLACK MARKING ON WHITE
Scale Smallest Increment2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3030-00-001-7833AX65 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5950-00-238-867151A470 INTERCHANGEABLE
Transformer,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
6240-00-299-72558AB1 INTERCHANGEABLE
Lamp,glow
American National Standards Institute Incorporated Dba American National Standards Institute
5365-00-912-48244849 INTERCHANGEABLE
Shim
Eaton Aerospace, Llc Dba Jackson South
5950-01-033-91441801354 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corporation
5360-01-089-28694849 INTERCHANGEABLE
Spring,helical,torsion
Lockheed Martin Corp
5950-01-253-27954950306 INTERCHANGEABLE
Transformer,audio Frequency
Palomar Products, Inc.
Cross-Reference Index
Part NumberManufacturer
4849 H O Trerice Co (USA)
Related Parts
3030-00-001-7833INTERCHANGEABLE
BELT,V
AX65
5950-00-238-8671INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
51A470
6240-00-299-7255INTERCHANGEABLE
LAMP,GLOW
8AB1
5365-00-912-4824INTERCHANGEABLE
SHIM
4849
5950-01-033-9144INTERCHANGEABLE
REACTOR
1801354
5360-01-089-2869INTERCHANGEABLE
SPRING,HELICAL,TORSION
4849
5950-01-253-2795INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
4950306

Frequently Asked Questions

What is NSN 6685-00-954-8664?

NSN 6685-00-954-8664 is a Thermometer,self-Indicating, manufactured by H O Trerice Co, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-954-8664?

NSN 6685-00-954-8664 has 1 cross-referenced part number: 4849 (H O Trerice Co).

What NSN replaces 6685-00-954-8664?

There are 7 known substitutes for 6685-00-954-8664: 3030-00-001-7833, 5950-00-238-8671, 6240-00-299-7255 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4849?

Key specifications for 4849: Material: ALUMINUM METER CASE; Scale Adjustment Variation: 5 DIVISION5 DIVISION; Stem Length: 4.500 INCHES NOMINAL4.500 INCHES NOMINAL IN; Design Type: FLUCTUATINGFLUCTUATING. 8 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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