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Technical Data Sheet
PartsTable / COMPONENT / ST-4
ST-4 ✓ Verified by PartsTable
— · 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED, temp_rating: 800.0 FAHRENHEIT DEGF, hole_diameter: 0.190 INCHES MINIMUM0.190 INCHES MINIMUM IN, overall_width: 1.630 INCHES IN, overall_height: 0.030 INCHES NOMINAL0.030 INCHES NOMINAL IN, overall_length: 2.3500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6675-00-255-1374, 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
ST-4
NSN: 6675-00-255-1374
FSC: 6675
CAGE: 35643 — LEICA GEOSYSTEMS INC. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED
temp_rating800.0 FAHRENHEIT DEGF
hole_diameter0.190 INCHES MINIMUM0.190 INCHES MINIMUM IN
overall_width1.630 INCHES IN
overall_height0.030 INCHES NOMINAL0.030 INCHES NOMINAL IN
overall_length2.3500 INCHES NOMINAL IN
mounting_methodTERMINAL
outside_diameter0.375 INCHES MAXIMUM0.375 INCHES MAXIMUM IN
overall_diameter0.7500 INCHES NOMINAL IN
special_features0.187 INCH LONG IN
style_designatorSPRING TENSION
basic_shape_styleBATTERY POST
NSN6675-00-255-1374
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEMICONDUCTOR DEVICE,DIODE TITLE COMPONENT PN ST-4 MFR SEMICONDUCTOR DEVICE,D
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESWITH 3 POWER AND 8 POWER MAGNIFYING OCULARS,PARALLAX BAR,METAL CARRYINGCASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
ST4Interchangeable
interchangeable cross-reference
interchangeable
B0375-020SInterchangeable
interchangeable cross-reference
interchangeable
A06117Interchangeable
interchangeable cross-reference
interchangeable
81739Interchangeable
interchangeable cross-reference
interchangeable
BS08DInterchangeable
interchangeable cross-reference
interchangeable
778-00002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST-4?
ST-4 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace ST-4?
There are 12 known substitutes for ST-4: ST4, B0375-020S, A06117 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST-4?
ST-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6675-00-255-1374. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026