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Technical Data Sheet
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620-NT — Technical Data Sheet

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CURTIS INSTRUMENTS, INC. DBA CURTIS PMC DIVISION · 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

The INDICATOR,ELAPSED T is a CURTIS INSTRUMENTS, INC. DBA CURTIS PMC DIVISION industrial component. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6645-00-092-5091, 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
620-NT
NSN: 6645-00-092-5091
FSC: 6645
CAGE: 18583 — CURTIS INSTRUMENTS, INC. DBA CURTIS PMC DIVISION (USA)
SPECIFICATIONS
Part Number620-NT
ManufacturerCURTIS INSTRUMENTS, INC. DBA CURTIS PMC DIVISION
NSN6645-00-092-5091
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: CURTIS INSTRUMENTS, INC. DBA CURTIS PMC DIVISION INDICATOR,ELAPSED T TITLE COMPONENT PN 620-NT MFR CURTIS INSTRUMENTS, INC. DBA CURTIS PMC DIVISION INDICATOR,ELAPSED T
KEY FEATURES
•
MOUNTING CONFIGURATION: TWO 0.125 IN. DIA COUNTERSUNK MTG HOLES SPACED 1.219 IN. C TO C IN
•
FLANGE HEIGHT: 1.425 INCHES MINIMUM AND 1.455 INCHES MAXIMUM IN
•
BODY DEPTH: 0.185 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
SCALE SMALLEST INCREMENT: 50.00 HOURS
•
CURRENT TYPE: AC
•
OPERATING FREQUENCY: 50.0 HERTZ MINIMUM AND 2400.0 HERTZ MAXIMUM
•
BODY LENGTH: 0.995 INCHES MINIMUM AND 1.025 INCHES MAXIMUM IN
•
INSCRIPTION COLOR: WHITE
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING CONFIGURATIONTWO 0.125 IN. DIA COUNTERSUNK MTG HOLES SPACED 1.219 IN. C TO C IN
FLANGE HEIGHT1.425 INCHES MINIMUM AND 1.455 INCHES MAXIMUM IN
BODY DEPTH0.185 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
SCALE SMALLEST INCREMENT50.00 HOURS
CURRENT TYPEAC
OPERATING FREQUENCY50.0 HERTZ MINIMUM AND 2400.0 HERTZ MAXIMUM
BODY LENGTH0.995 INCHES MINIMUM AND 1.025 INCHES MAXIMUM IN
INSCRIPTION COLORWHITE
MOUNTING FLANGE WIDTH0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
VOLTAGE RATING115.0 VOLTS NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
MS90386-8Interchangeable
interchangeable cross-reference
interchangeable
10150202Interchangeable
interchangeable cross-reference
interchangeable
458-0381-150Interchangeable
interchangeable cross-reference
interchangeable
MIL-I-81219Interchangeable
interchangeable cross-reference
interchangeable
MS90386-8HInterchangeable
interchangeable cross-reference
interchangeable
458-0381-110Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 620-NT?
620-NT is a INDICATOR,ELAPSED T manufactured by CURTIS INSTRUMENTS, INC. DBA CURTIS PMC DIVISION.
What parts can replace 620-NT?
There are 12 known substitutes for 620-NT: MS90386-8, 10150202, 458-0381-150 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 620-NT?
620-NT is cataloged in the Federal Logistics Information System (FLIS) under NSN 6645-00-092-5091. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026