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30T7457T34R040 — Technical Data Sheet

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ASHCROFT INC DBA HEISE · 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 MATERIAL: STEEL CORROSION RESISTING METER CASE, SCALE TYPE: CONCENTRIC DIAL, DESIGN TYPE: FLUCTUATING, STEM LENGTH: 4.000 INCHES NOMINAL IN, DIAL DIAMETER: 3.000 INCHES NOMINAL IN, OVERALL LENGTH: 6.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System under NSN 6685-00-841-1439, 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
30T7457T34R040
NSN: 6685-00-841-1439
FSC: 6685
CAGE: 38056 — ASHCROFT INC DBA HEISE (USA)
SPECIFICATIONS
MATERIALSTEEL CORROSION RESISTING METER CASE
SCALE TYPECONCENTRIC DIAL
DESIGN TYPEFLUCTUATING
STEM LENGTH4.000 INCHES NOMINAL IN
DIAL DIAMETER3.000 INCHES NOMINAL IN
OVERALL LENGTH6.250 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT FORM, HORIZONTAL DIAL
FEATURES PROVIDEDPROTECTIVE GLASS/PLASTIC
SCALE ACCURACY RATING1 PCT
SCALE MEASUREMENT RANGE+50.000 TO 550.000 DEG FAHRENHEIT
SCALE SMALLEST INCREMENT5.0 DEG FAHRENHEIT
SCALE INSCRIPTION/BACKGROUND COLORBLACKMARKINGS ON WHITE BACKGROUND
NSN6685-00-841-1439
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: ASHCROFT INC DBA HEISE THERMOMETER,SELF-INDICATING,BIME TITLE COMPONENT PN 30T7457T34R040 MFR ASHCROFT INC DBA HEISE THERMOMETER,SELF-INDIC
KEY FEATURES
•
FEATURES PROVIDED: PROTECTIVE GLASS/PLASTIC
•
SCALE INSCRIPTION/BACKGROUND COLOR: BLACKMARKINGS ON WHITE BACKGROUND
•
STEM LENGTH: 4.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT FORM, HORIZONTAL DIAL
•
MATERIAL: STEEL CORROSION RESISTING METER CASE
•
SCALE MEASUREMENT RANGE: +50.000 TO 550.000 DEG FAHRENHEIT
•
DIAL DIAMETER: 3.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FEATURES PROVIDEDPROTECTIVE GLASS/PLASTIC
SCALE INSCRIPTION/BACKGROUND COLORBLACKMARKINGS ON WHITE BACKGROUND
STEM LENGTH4.000 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT FORM, HORIZONTAL DIAL
MATERIALSTEEL CORROSION RESISTING METER CASE
SCALE MEASUREMENT RANGE+50.000 TO 550.000 DEG FAHRENHEIT
DIAL DIAMETER3.000 INCHES NOMINAL IN
OVERALL LENGTH6.250 INCHES NOMINAL IN
SCALE TYPECONCENTRIC DIAL
SCALE SMALLEST INCREMENT5.0 DEG FAHRENHEIT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
BM27-100InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
E355A4 REDLINE30ODEGFInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
E355A4 R/L 300 DEG F.InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
E355A4 R/L 115 DEG F.InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
RC-TH8InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
E355A4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30T7457T34R040?
30T7457T34R040 is a THERMOMETER,SELF-INDICATING,BIME manufactured by ASHCROFT INC DBA HEISE.
What parts can replace 30T7457T34R040?
There are 15 known substitutes for 30T7457T34R040: BM27-100, E355A4 REDLINE30ODEGF, E355A4 R/L 300 DEG F. and 12 more. Substitute compatibility should be verified for your specific system.
Is 30T7457T34R040 still available?
30T7457T34R040 is currently cancelled.
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Last verified: October 2026