PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PT003Thermometer,self-Indicating

Sigma Products & Mfg · NSN 6685-00-526-7748 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-526-7748 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-526-7748. Primary manufacturer part number: PT003.
Features
  • Thermometer,self-Indicating — FSC 6685
  • Securing Device Type: CLIPCLIP
  • Scale Inscription/background Color: BLACK MARKING ON WHITE BACKGROUNDBLACK MARKING ON WHITE BACKGROUND
  • Material: NICKEL METER CASE
  • Design Type: MAXIMUMMAXIMUM
  • Actuating Medium: MERCURYMERCURY
  • Scale Smallest Increment: 2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT
  • Scale Measurement Range: +0.000 TO 220.000 DEG FAHRENHEIT+0.000 TO 220.000 DEG FAHRENHEIT
Applications
  • Applications requiring Nickel Meter Case construction
General Description

The Thermometer,self-Indicating, cataloged under National Stock Number 6685-00-526-7748, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Sigma Products & Mfg. Government technical data includes 9 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-526-7748
Primary Part NumberPT003
Item NameThermometer,self-Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerSigma Products & Mfg
StatusCANCELLED
Securing Device TypeCLIPCLIP
Scale Inscription/background ColorBLACK MARKING ON WHITE BACKGROUNDBLACK MARKING ON WHITE BACKGROUND
MaterialNICKEL METER CASE
Design TypeMAXIMUMMAXIMUM
Actuating MediumMERCURYMERCURY
Scale Smallest Increment2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT
Scale Measurement Range+0.000 TO 220.000 DEG FAHRENHEIT+0.000 TO 220.000 DEG FAHRENHEIT
Style DesignatorCUP CASE
Scale TypeETCHED STEMETCHED STEM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5325-00-281-664821418 INTERCHANGEABLE
Ring,retaining
Wausau Equipment Company Llc Dba Schmidt Engineering & Equipment Inc Div Wausau Equipment Llc
5130-00-293-2410 INTERCHANGEABLE
Brush,wire,rotary End
5998-01-068-265021418 INTERCHANGEABLE
Circuit Card Assembly
Drs Signal Solutions, Inc.
Cross-Reference Index
Part NumberManufacturer
PT003 Sigma Products & Mfg (USA)
21418 Tycos Instruments Inc a Welch Allyn Co (USA)
PT003 Psg Controls, Inc. (USA)
5106 Weksler Glass Thermometer Corp (USA)
Related Parts
5325-00-281-6648INTERCHANGEABLE
RING,RETAINING
21418
5130-00-293-2410INTERCHANGEABLE
BRUSH,WIRE,ROTARY END
5998-01-068-2650INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21418

Frequently Asked Questions

What is NSN 6685-00-526-7748?

NSN 6685-00-526-7748 is a Thermometer,self-Indicating, manufactured by Sigma Products & Mfg, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-526-7748?

NSN 6685-00-526-7748 has 4 cross-referenced part numbers: PT003 (Sigma Products & Mfg), 21418 (Tycos Instruments Inc a Welch Allyn Co), PT003 (Psg Controls, Inc.), 5106 (Weksler Glass Thermometer Corp).

What NSN replaces 6685-00-526-7748?

There are 3 known substitutes for 6685-00-526-7748: 5325-00-281-6648, 5130-00-293-2410, 5998-01-068-2650. Verify interchangeability with system specifications before substitution.

What are the specifications of PT003?

Key specifications for PT003: Securing Device Type: CLIPCLIP; Scale Inscription/background Color: BLACK MARKING ON WHITE BACKGROUNDBLACK MARKING ON WHITE BACKGROUND; Material: NICKEL METER CASE; Design Type: MAXIMUMMAXIMUM. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-526-7748 still in active supply?

NSN 6685-00-526-7748 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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