PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

571Thermometer,self-Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-526-9428 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-526-9428 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-526-9428. Primary manufacturer part number: 571.
Features
  • Thermometer,self-Indicating — FSC 6685
  • Scale Measurement Range: +40.000 TO 260.000 DEG FAHRENHEIT+40.000 TO 260.000 DEG FAHRENHEIT
  • Style Designator: STRAIGHT ANGLE
  • Securing Device Type: CLIPCLIP
  • Stem Length: 3.250 INCHES NOMINAL3.250 INCHES NOMINAL IN
  • Scale Accuracy Rating: PORM 2 DEG F THROUGHOUT RANGE OF SCALEPORM 2 DEG F THROUGHOUT RANGE OF SCALE DEGF
  • Scale Type: ENGRAVED TUBEENGRAVED TUBE
  • Scale Smallest Increment: 2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT
Applications
  • Applications requiring Steel Meter Case construction
General Description

The Thermometer,self-Indicating, cataloged under National Stock Number 6685-00-526-9428, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ametek, Inc. Div Aerospace & Defense. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN6685-00-526-9428
Primary Part Number571
Item NameThermometer,self-Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
Scale Measurement Range+40.000 TO 260.000 DEG FAHRENHEIT+40.000 TO 260.000 DEG FAHRENHEIT
Style DesignatorSTRAIGHT ANGLE
Securing Device TypeCLIPCLIP
Stem Length3.250 INCHES NOMINAL3.250 INCHES NOMINAL IN
Scale Accuracy RatingPORM 2 DEG F THROUGHOUT RANGE OF SCALEPORM 2 DEG F THROUGHOUT RANGE OF SCALE DEGF
Scale TypeENGRAVED TUBEENGRAVED TUBE
Scale Smallest Increment2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT
Scale Inscription/background ColorBLACK MARKING ON WHITE BACKGROUNDBLACK MARKING ON WHITE BACKGROUND
Features ProvidedLENS MAGNIFYING FRONTLENS MAGNIFYING FRONT
Scale Length5.000 INCHES NOMINAL5.000 INCHES NOMINAL IN
MaterialSTEEL METER CASE
Design TypeFLUCTUATINGFLUCTUATING
Actuating MediumMERCURYMERCURY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
6635-00-217-7053 INTERCHANGEABLE
Movement Assembly
5330-00-285-51188672320 INTERCHANGEABLE
Felt,mechanical,preformed
U S Army Tank Automotive Command Amsta-Im-Mm
6685-00-843-70555640-01 INTERCHANGEABLE
Thermometer,self-Indicating
Ametek, Inc. Div Aerospace & Defense
Cross-Reference Index
Part NumberManufacturer
571 Ametek, Inc. Div Aerospace & Defense (USA)
T571 Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
6635-00-217-7053INTERCHANGEABLE
MOVEMENT ASSEMBLY
5330-00-285-5118INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
8672320
6685-00-843-7055INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
5640-01

Frequently Asked Questions

What is NSN 6685-00-526-9428?

NSN 6685-00-526-9428 is a Thermometer,self-Indicating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-526-9428?

NSN 6685-00-526-9428 has 2 cross-referenced part numbers: 571 (Ametek, Inc. Div Aerospace & Defense), T571 (Ametek, Inc. Div Aerospace & Defense).

What NSN replaces 6685-00-526-9428?

There are 3 known substitutes for 6685-00-526-9428: 6635-00-217-7053, 5330-00-285-5118, 6685-00-843-7055. Verify interchangeability with system specifications before substitution.

What are the specifications of 571?

Key specifications for 571: Scale Measurement Range: +40.000 TO 260.000 DEG FAHRENHEIT+40.000 TO 260.000 DEG FAHRENHEIT; Style Designator: STRAIGHT ANGLE; Securing Device Type: CLIPCLIP; Stem Length: 3.250 INCHES NOMINAL3.250 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-526-9428 still in active supply?

NSN 6685-00-526-9428 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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