PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

201338Thermometer,indicating,capillary

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 6685-00-526-4985 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-526-4985 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-526-4985. Primary manufacturer part number: 201338.
Features
  • Thermometer,indicating,capillary — FSC 6685
  • Bulb Quantity: 1
  • Style Designator: BULB W/O SOCKET
  • Material: COPPER BULB
  • Material: STEEL METER CASE
  • Pointer/pen Type and Quantity: 1 INDICATING SINGLE
  • Scale Type: CONCENTRIC DIAL
  • Bulb Tip Length: 1.313 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Bulb construction
General Description

The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-526-4985, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN6685-00-526-4985
Primary Part Number201338
Item NameThermometer,indicating,capillary
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Bulb Quantity1
Style DesignatorBULB W/O SOCKET
MaterialCOPPER BULB
MaterialSTEEL METER CASE
Pointer/pen Type and Quantity1 INDICATING SINGLE
Scale TypeCONCENTRIC DIAL
Bulb Tip Length1.313 INCHES NOMINAL IN
Active Portion Length1.313 INCHES NOMINAL IN
Bulb Connection TypeUNION
Bulb Overall Length2.313 INCHES NOMINAL IN
Bulb StylePLAIN BULB W/BENDABLE EXTENSION
Indicator Connection MethodFLEXIBLE TUBE
Scale Smallest Increment50.0 DEG FAHRENHEIT
Extension Neck Length1.000 INCHES NOMINAL IN
Dial Diameter2.000 INCHES NOMINAL IN
Flexible Tube Length235.500 INCHES NOMINAL IN
Bulb TypePLAIN RIGID
Case Diameter2.250 INCHES NOMINAL IN
Actuating MediumMETHYL CHLORIDE
Scale Inscription/background ColorWHITE MARKING ON BLACK BACKGROUND
Scale Measurement Range+100.000 TO 250.000 DEG FAHRENHEIT
Active Portion Diameter0.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5998-00-619-8577201338 INTERCHANGEABLE
Circuit Card Assembly
Marine Electric Systems Inc
5133-00-838-5368 INTERCHANGEABLE
Drill,twist
5133-00-988-5711 INTERCHANGEABLE
Drill,twist
5330-01-500-9367201338 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
Cross-Reference Index
Part NumberManufacturer
201338 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
17100023 Caterpillar Paving Products Inc (USA)
Related Parts
5998-00-619-8577INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
201338
5133-00-838-5368INTERCHANGEABLE
DRILL,TWIST
5133-00-988-5711INTERCHANGEABLE
DRILL,TWIST
5330-01-500-9367INTERCHANGEABLE
GASKET
201338

Frequently Asked Questions

What is NSN 6685-00-526-4985?

NSN 6685-00-526-4985 is a Thermometer,indicating,capillary, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-526-4985?

NSN 6685-00-526-4985 has 2 cross-referenced part numbers: 201338 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 17100023 (Caterpillar Paving Products Inc).

What NSN replaces 6685-00-526-4985?

There are 4 known substitutes for 6685-00-526-4985: 5998-00-619-8577, 5133-00-838-5368, 5133-00-988-5711 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 201338?

Key specifications for 201338: Bulb Quantity: 1; Style Designator: BULB W/O SOCKET; Material: COPPER BULB; Material: STEEL METER CASE. 22 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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