PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21323GThermometer,self-Indicating

Tycos Instruments Inc a Welch Allyn Co · NSN 6685-01-003-7707 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-003-7707 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-003-7707. Primary manufacturer part number: 21323G.
Features
  • Thermometer,self-Indicating — FSC 6685
  • Design Type: FLUCTUATINGFLUCTUATING
  • Immersion Length: 76.0 MILLIMETERS NOMINAL76.0 MILLIMETERS NOMINAL MM
  • Scale Measurement Range: -1.000 TO 51.000 DEG CELSIUS-1.000 TO 51.000 DEG CELSIUS
  • Scale Type: ENCLOSED GLASSENCLOSED GLASS
  • Material: GLASS OVERALL
  • Style Designator: IMMERSION RING TOP
  • Actuating Medium: MERCURYMERCURY
Applications
  • Applications requiring Glass Overall construction
General Description

The Thermometer,self-Indicating, cataloged under National Stock Number 6685-01-003-7707, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Tycos Instruments Inc a Welch Allyn Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN6685-01-003-7707
Primary Part Number21323G
Item NameThermometer,self-Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerTycos Instruments Inc a Welch Allyn Co
StatusACTIVE
Design TypeFLUCTUATINGFLUCTUATING
Immersion Length76.0 MILLIMETERS NOMINAL76.0 MILLIMETERS NOMINAL MM
Scale Measurement Range-1.000 TO 51.000 DEG CELSIUS-1.000 TO 51.000 DEG CELSIUS
Scale TypeENCLOSED GLASSENCLOSED GLASS
MaterialGLASS OVERALL
Style DesignatorIMMERSION RING TOP
Actuating MediumMERCURYMERCURY
Scale Smallest Increment0.1 DEG CELSIUS0.1 DEG CELSIUS
Securing Device TypeRINGRING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
1610-00-119-653251037 INTERCHANGEABLE
Liner,cylinder,hydr
Hamilton Sundstrand Corporation Dba Collins Aerospace
5133-00-232-2867 INTERCHANGEABLE
Drill,twist
7510-01-079-0701119 INTERCHANGEABLE
Ribbon,inking
Franklin Ribbon and Carbon Co Inc
6625-01-167-5281 INTERCHANGEABLE
Amplifier-Detector
4240-01-245-5914R57B INTERCHANGEABLE
Cartridge,respirator,air Filteri
Square D Co Monroe Plant
4320-01-307-3855M4D-128-3N00-B102 INTERCHANGEABLE
Motor,hydraulic
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
1680-01-552-543351037 INTERCHANGEABLE
Vibration Isolator,
Tech Products Corp
Cross-Reference Index
Part NumberManufacturer
21323G Tycos Instruments Inc a Welch Allyn Co (USA)
61032-022 Vwr Scientific Inc (USA)
51037 Liftec Inc Div Liftec, Inc. (USA)
Related Parts
1610-00-119-6532INTERCHANGEABLE
LINER,CYLINDER,HYDR
51037
5133-00-232-2867INTERCHANGEABLE
DRILL,TWIST
7510-01-079-0701INTERCHANGEABLE
RIBBON,INKING
119
6625-01-167-5281INTERCHANGEABLE
AMPLIFIER-DETECTOR
4240-01-245-5914INTERCHANGEABLE
CARTRIDGE,RESPIRATOR,AIR FILTERI
R57B
4320-01-307-3855INTERCHANGEABLE
MOTOR,HYDRAULIC
M4D-128-3N00-B102
1680-01-552-5433INTERCHANGEABLE
VIBRATION ISOLATOR,
51037

Frequently Asked Questions

What is NSN 6685-01-003-7707?

NSN 6685-01-003-7707 is a Thermometer,self-Indicating, manufactured by Tycos Instruments Inc a Welch Allyn Co, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-003-7707?

NSN 6685-01-003-7707 has 3 cross-referenced part numbers: 21323G (Tycos Instruments Inc a Welch Allyn Co), 61032-022 (Vwr Scientific Inc), 51037 (Liftec Inc Div Liftec, Inc.).

What NSN replaces 6685-01-003-7707?

There are 7 known substitutes for 6685-01-003-7707: 1610-00-119-6532, 5133-00-232-2867, 7510-01-079-0701 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21323G?

Key specifications for 21323G: Design Type: FLUCTUATINGFLUCTUATING; Immersion Length: 76.0 MILLIMETERS NOMINAL76.0 MILLIMETERS NOMINAL MM; Scale Measurement Range: -1.000 TO 51.000 DEG CELSIUS-1.000 TO 51.000 DEG CELSIUS; Scale Type: ENCLOSED GLASSENCLOSED GLASS. 10 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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