PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5253RThermometer,self-Indicating

Weksler Glass Thermometer Corp · NSN 6685-00-115-8690 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-115-8690 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-115-8690. Primary manufacturer part number: 5253R.
Features
  • Thermometer,self-Indicating — FSC 6685
  • Design Type: FLUCTUATING
  • Actuating Medium: LIQUID
  • Scale Smallest Increment: 1.0 DEG CELSIUS
  • Scale Type: ETCHED STEM
  • Scale Inscription/background Color: BLACK MARKING ON WHITE BACKGROUND
  • Scale Measurement Range: -30.000 TO 50.000 DEG CELSIUS
  • 2 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermometer,self-Indicating, cataloged under National Stock Number 6685-00-115-8690, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Weksler Glass Thermometer Corp. Government technical data includes 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-115-8690
Primary Part Number5253R
Item NameThermometer,self-Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerWeksler Glass Thermometer Corp
StatusCANCELLED
Design TypeFLUCTUATING
Actuating MediumLIQUID
Scale Smallest Increment1.0 DEG CELSIUS
Scale TypeETCHED STEM
Scale Inscription/background ColorBLACK MARKING ON WHITE BACKGROUND
Scale Measurement Range-30.000 TO 50.000 DEG CELSIUS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1650-00-166-6108525-3 INTERCHANGEABLE
Plate,seal
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
4720-00-323-241347-150-186-5 INTERCHANGEABLE
Hose,air Duct
Bell Textron Inc
4320-00-431-1694N5-253 INTERCHANGEABLE
End Bell Assembly
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5935-00-534-77548900-0185-001 INTERCHANGEABLE
Connector,receptacle,electrical
Antenna Products Corporation Dba Antenna Products Corp
5935-00-725-3166 INTERCHANGEABLE
Connector,receptacle,electrical
6680-00-758-9330M144 INTERCHANGEABLE
Indicator,sight,liquid
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
5975-00-899-023574349A INTERCHANGEABLE
Box Connector,electrical
Air Products & Chemicals, Inc
5305-01-179-90015253 INTERCHANGEABLE
Screw,cap,hexagon Head
Erie Malleable Iron Co
5995-01-244-29531640891-42 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Raytheon Company Div Rmd Strategic
5120-01-335-0701 INTERCHANGEABLE
Adapter,socket Wrench
Cross-Reference Index
Part NumberManufacturer
5253R PRIMARY Weksler Glass Thermometer Corp (USA)
5253 PRIMARY Weksler Glass Thermometer Corp (USA)
Related Parts
1650-00-166-6108INTERCHANGEABLE
PLATE,SEAL
525-3
4720-00-323-2413INTERCHANGEABLE
HOSE,AIR DUCT
47-150-186-5
4320-00-431-1694INTERCHANGEABLE
END BELL ASSEMBLY
N5-253
5935-00-534-7754INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
8900-0185-001
5935-00-725-3166INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6680-00-758-9330INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
M144
5975-00-899-0235INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
74349A
5305-01-179-9001INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5253
5995-01-244-2953INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
1640891-42
5120-01-335-0701INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
5120-01-399-9748INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
5253
1560-01-436-5105INTERCHANGEABLE
TANK,FUEL,AIRCRAFT

Frequently Asked Questions

What is NSN 6685-00-115-8690?

NSN 6685-00-115-8690 is a Thermometer,self-Indicating, manufactured by Weksler Glass Thermometer Corp, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-115-8690?

NSN 6685-00-115-8690 has 2 cross-referenced part numbers: 5253R (Weksler Glass Thermometer Corp), 5253 (Weksler Glass Thermometer Corp).

What NSN replaces 6685-00-115-8690?

There are 12 known substitutes for 6685-00-115-8690: 1650-00-166-6108, 4720-00-323-2413, 4320-00-431-1694 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5253R?

Key specifications for 5253R: Special Features: ACTUATING MEDIUM COLOR RED; Design Type: FLUCTUATING; Actuating Medium: LIQUID; Scale Smallest Increment: 1.0 DEG CELSIUS. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-115-8690 still in active supply?

NSN 6685-00-115-8690 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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