PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TU3593Thermometer,indicating,capillary

Cissell Manufacturing Company Dba Cissell Mfg · NSN 6685-00-113-6573 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-113-6573 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-113-6573. Primary manufacturer part number: TU3593.
Features
  • Thermometer,indicating,capillary — FSC 6685
  • Bulb Style: PLAIN BULB W/BENDABLE EXTENSION
  • Bulb Type: PLAIN RIGID
  • Bulb Quantity: 1
  • Actuating Medium: VAPOR TENSION
  • Pointer/pen Type and Quantity: 1 INDICATING SINGLE
  • Material: COPPER ALLOY BULB
  • Active Portion Diameter: 0.563 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Bulb construction
General Description

The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-113-6573, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Cissell Manufacturing Company Dba Cissell Mfg. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-113-6573
Primary Part NumberTU3593
Item NameThermometer,indicating,capillary
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerCissell Manufacturing Company Dba Cissell Mfg
StatusACTIVE
Bulb StylePLAIN BULB W/BENDABLE EXTENSION
Bulb TypePLAIN RIGID
Bulb Quantity1
Actuating MediumVAPOR TENSION
Pointer/pen Type and Quantity1 INDICATING SINGLE
MaterialCOPPER ALLOY BULB
Active Portion Diameter0.563 INCHES NOMINAL IN
Active Portion Length3.500 INCHES NOMINAL IN
Scale Measurement Range+100.000 TO 300.000 DEG FAHRENHEIT
Case Diameter3.719 INCHES NOMINAL IN
Scale TypeCONCENTRIC DIAL
Bulb Overall Length6.250 INCHES NOMINAL IN
Dial Diameter2.625 INCHES NOMINAL IN
Bulb Tip Length3.500 INCHES NOMINAL IN
Case TypeVAPORPROOF
Indicator Connection MethodFLEXIBLE TUBE
Style DesignatorBULB W/O SOCKET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2805-00-904-9115 INTERCHANGEABLE
Ring,piston
3433-00-964-02623-52-59 INTERCHANGEABLE
Tip,cutting Torch
National Torch Tip Co Inc Div of Archsmith Inc
4820-01-317-070085-440 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Itw Industrial Finishing Dba Binks Devilbiss
4210-01-329-357035259 INTERCHANGEABLE
Nozzle,fire Equipment
Rosco Mfg Co
5915-01-606-4386 INTERCHANGEABLE
Power Line Filter S
Cross-Reference Index
Part NumberManufacturer
TU3593 Cissell Manufacturing Company Dba Cissell Mfg (USA)
35259 Calumet Photographic, Inc. (USA)
57DP Desco Corp Marsh Bellofram Div (USA)
8544-0 Arco Engineering Inc (USA)
Related Parts
2805-00-904-9115INTERCHANGEABLE
RING,PISTON
3433-00-964-0262INTERCHANGEABLE
TIP,CUTTING TORCH
3-52-59
4820-01-317-0700INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
85-440
4210-01-329-3570INTERCHANGEABLE
NOZZLE,FIRE EQUIPMENT
35259
5915-01-606-4386INTERCHANGEABLE
POWER LINE FILTER S

Frequently Asked Questions

What is NSN 6685-00-113-6573?

NSN 6685-00-113-6573 is a Thermometer,indicating,capillary, manufactured by Cissell Manufacturing Company Dba Cissell Mfg, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-113-6573?

NSN 6685-00-113-6573 has 4 cross-referenced part numbers: TU3593 (Cissell Manufacturing Company Dba Cissell Mfg), 35259 (Calumet Photographic, Inc.), 57DP (Desco Corp Marsh Bellofram Div), 8544-0 (Arco Engineering Inc).

What NSN replaces 6685-00-113-6573?

There are 5 known substitutes for 6685-00-113-6573: 2805-00-904-9115, 3433-00-964-0262, 4820-01-317-0700 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TU3593?

Key specifications for TU3593: Bulb Style: PLAIN BULB W/BENDABLE EXTENSION; End Item Identification: POSEIDON SUB/NAVY STRATEGIC WEAPON SYS; Bulb Type: PLAIN RIGID; Bulb Quantity: 1. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com