PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6-01040Thermometer,self-Indicating

Psg Controls, Inc. · NSN 6685-00-179-4961 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-179-4961 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-179-4961. Primary manufacturer part number: 6-01040.
Features
  • Thermometer,self-Indicating — FSC 6685
  • Design Type: FLUCTUATINGFLUCTUATING
  • Features Provided: LENS MAGNIFYING FRONT AND LENS MAGNIFYING FRONT AND EXPANSION CHAMBEREXPANSION CHAMBER
  • Material: GLASS OVERALL
  • Style Designator: IMMERSION, POCKET TYPE
  • Actuating Medium: LIQUIDLIQUID
  • Scale Measurement Range: -40.000 TO 50.000 DEG CELSIUS-40.000 TO 50.000 DEG CELSIUS
  • Scale Smallest Increment: 1.0 DEG CELSIUS1.0 DEG CELSIUS
Applications
  • Applications requiring Glass Overall construction
General Description

The Thermometer,self-Indicating, cataloged under National Stock Number 6685-00-179-4961, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Psg Controls, Inc.. Government technical data includes 10 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-179-4961
Primary Part Number6-01040
Item NameThermometer,self-Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerPsg Controls, Inc.
StatusCANCELLED
Design TypeFLUCTUATINGFLUCTUATING
Features ProvidedLENS MAGNIFYING FRONT AND LENS MAGNIFYING FRONT AND EXPANSION CHAMBEREXPANSION CHAMBER
MaterialGLASS OVERALL
Style DesignatorIMMERSION, POCKET TYPE
Actuating MediumLIQUIDLIQUID
Scale Measurement Range-40.000 TO 50.000 DEG CELSIUS-40.000 TO 50.000 DEG CELSIUS
Scale Smallest Increment1.0 DEG CELSIUS1.0 DEG CELSIUS
Securing Device TypeRINGRING
Scale TypeETCHED STEMETCHED STEM
Scale Inscription/background ColorBLACK MARKING ON WHITE BACKGROUNDBLACK MARKING ON WHITE BACKGROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5950-00-057-2549 INTERCHANGEABLE
Transformer,electri
6750-00-137-2489 INTERCHANGEABLE
Paper,photographic
5315-00-524-5578214322 INTERCHANGEABLE
Pin,straight,headed
The Oilgear Company Dba Jiffy Lube 213 Div Oilgear
6625-00-538-6108214-322 INTERCHANGEABLE
Meter,multiple Scale
Jewell Instruments Llc
5995-01-297-3249 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5975-01-651-9770601-040 INTERCHANGEABLE
Strap,line Supporting
Glenair, Inc.
Cross-Reference Index
Part NumberManufacturer
6-01040 Psg Controls, Inc. (USA)
MVT304 Mission Systems Davenport Inc. (USA)
21432-2 Tycos Instruments Inc a Welch Allyn Co (USA)
Related Parts
5950-00-057-2549INTERCHANGEABLE
TRANSFORMER,ELECTRI
6750-00-137-2489INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
5315-00-524-5578INTERCHANGEABLE
PIN,STRAIGHT,HEADED
214322
6625-00-538-6108INTERCHANGEABLE
METER,MULTIPLE SCALE
214-322
5995-01-297-3249INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5975-01-651-9770INTERCHANGEABLE
STRAP,LINE SUPPORTING
601-040

Frequently Asked Questions

What is NSN 6685-00-179-4961?

NSN 6685-00-179-4961 is a Thermometer,self-Indicating, manufactured by Psg Controls, Inc., classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-179-4961?

NSN 6685-00-179-4961 has 3 cross-referenced part numbers: 6-01040 (Psg Controls, Inc.), MVT304 (Mission Systems Davenport Inc.), 21432-2 (Tycos Instruments Inc a Welch Allyn Co).

What NSN replaces 6685-00-179-4961?

There are 6 known substitutes for 6685-00-179-4961: 5950-00-057-2549, 6750-00-137-2489, 5315-00-524-5578 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6-01040?

Key specifications for 6-01040: Design Type: FLUCTUATINGFLUCTUATING; Features Provided: LENS MAGNIFYING FRONT AND LENS MAGNIFYING FRONT AND EXPANSION CHAMBEREXPANSION CHAMBER; Material: GLASS OVERALL; Style Designator: IMMERSION, POCKET TYPE. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-179-4961 still in active supply?

NSN 6685-00-179-4961 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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