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PH660U — Technical Data Sheet

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JOINT ELECTRONICS TYPE DESIGNATION SYSTEM · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

THERMOMETER,SELF-INDICATING,BIME. Key specifications include SCALE TYPE: CONCENTRIC DIAL, DESIGN TYPE: FLUCTUATING, STEM LENGTH: 8.000 INCHES NOMINAL IN, DIAL DIAMETER: 1.750 INCHES NOMINAL IN, OVERALL LENGTH: 8.313 INCHES NOMINAL IN, IMMERSION LENGTH: 2.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 6685-00-521-0656, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
PH660U
NSN: 6685-00-521-0656
FSC: 6685
CAGE: 80058 — JOINT ELECTRONICS TYPE DESIGNATION SYSTEM (USA)
SPECIFICATIONS
SCALE TYPECONCENTRIC DIAL
DESIGN TYPEFLUCTUATING
STEM LENGTH8.000 INCHES NOMINAL IN
DIAL DIAMETER1.750 INCHES NOMINAL IN
OVERALL LENGTH8.313 INCHES NOMINAL IN
IMMERSION LENGTH2.000 INCHES NOMINAL IN
FEATURES PROVIDEDPROTECTIVE GLASS/PLASTIC
SCALE ACCURACY RATING1/2 OF 1 PCT
SCALE MEASUREMENT RANGE+25.000 TO 125.000 DEG FAHRENHEIT
SCALE SMALLEST INCREMENT1.0 DEG FAHRENHEIT
SCALE ADJUSTMENT VARIATION1 DIVISION
SCALE INSCRIPTION/BACKGROUND COLORBLACK MARKING ON WHITE BACKGROUND
NSN6685-00-521-0656
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: JOINT ELECTRONICS TYPE DESIGNATION SYSTEM THERMOMETER,SELF-INDICATING,BIME TITLE COMPONENT PN PH660U MFR JOINT ELECTRONICS TYPE DESIGNATION SYSTEM THERMOMETER,SELF-INDIC
KEY FEATURES
•
SCALE SMALLEST INCREMENT: 1.0 DEG FAHRENHEIT
•
SCALE ACCURACY RATING: 1/2 OF 1 PCT
•
SCALE MEASUREMENT RANGE: +25.000 TO 125.000 DEG FAHRENHEIT
•
SCALE ADJUSTMENT VARIATION: 1 DIVISION
•
SCALE INSCRIPTION/BACKGROUND COLOR: BLACK MARKING ON WHITE BACKGROUND
•
IMMERSION LENGTH: 2.000 INCHES NOMINAL IN
•
DESIGN TYPE: FLUCTUATING
TECHNICAL CHARACTERISTICS
SCALE SMALLEST INCREMENT1.0 DEG FAHRENHEIT
SCALE ACCURACY RATING1/2 OF 1 PCT
SCALE MEASUREMENT RANGE+25.000 TO 125.000 DEG FAHRENHEIT
OVERALL LENGTH8.313 INCHES NOMINAL IN
SCALE ADJUSTMENT VARIATION1 DIVISION
SCALE INSCRIPTION/BACKGROUND COLORBLACK MARKING ON WHITE BACKGROUND
IMMERSION LENGTH2.000 INCHES NOMINAL IN
DESIGN TYPEFLUCTUATING
FEATURES PROVIDEDPROTECTIVE GLASS/PLASTIC
SCALE TYPECONCENTRIC DIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
2261InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
826239InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
G207InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
DTR175-08-A-1-HInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AS0226-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
32241InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PH660U?
PH660U is a THERMOMETER,SELF-INDICATING,BIME manufactured by JOINT ELECTRONICS TYPE DESIGNATION SYSTEM.
What parts can replace PH660U?
There are 16 known substitutes for PH660U: 2261, 826239, G207 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PH660U?
PH660U is cataloged in the Federal Logistics Information System under NSN 6685-00-521-0656. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026