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Technical Data Sheet
PartsTable / MRO / TLC3901
TLC3901 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
CTO = bare chassis: no CPU, no RAM, no disks — configure everything SFF chassis = 2.5" bays | LFF chassis = 3.5" bays
Rail kit included? Usually sold separately.
PRODUCT OVERVIEW

The TLC3901 is a the manufacturer industrial component. Key specifications include material: STEEL HOUSING, seal_type: CONTACT, body_style: EARPHONE ELEMENT, CIRCULAR, bore_diameter: 1.0000 INCHES NOMINAL IN, seal_location: BOTH ENDS, alignment_type: SELF-ALIGNING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7045-01-140-5938, 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
MRO→ MRO_GENERAL→ TLC3901
NSN: 7045-01-140-5938
FSC: 7045
CAGE: 93663 — I T I ELECTRONICS, INC. (USA)
SPECIFICATIONS
materialSTEEL HOUSING
seal_typeCONTACT
body_styleEARPHONE ELEMENT, CIRCULAR
bore_diameter1.0000 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
housing_length0.6875 INCHES NOMINAL IN
collar_locationONE END
flange_thickness0.0830 INCHES NOMINAL IN
housing_diameter3.7500 INCHES NOMINAL IN
overall_diameter1.812 INCHES NOMINAL IN
special_featuresBRASS OR NICKEL SILVER
NSN7045-01-140-5938
COMPONENT DIAGRAM
OEM BAY 0 BAY 1 BAY 2 BAY 3 BAY 4 BAY 5 BAY 6 BAY 7 FAN PSU 1 800W PSU 2 800W iLO / BMC | 4x1GbE | VGA | USB | PCIe RISERS 19" RACK WIDTH | 2U HEIGHT (88mm) OEM 2U RACK SERVER | Gen10 | 8x SFF BAYS | REDUNDANT PSU CTO = bare chassis (no CPU/RAM/disk) | SFF = 2.5" bays | LFF = 3.5" bays TITLE 2U SERVER PN TLC3901 MFR OEM Gen10 RACK SERVER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
975Upgraded Successor
successor cross-reference
successor
RA1-INCH FLANGETTEInterchangeable
interchangeable cross-reference
interchangeable
RA1Interchangeable
interchangeable cross-reference
interchangeable
RA100NPPB52MSC1Interchangeable
interchangeable cross-reference
interchangeable
10-16666Interchangeable
interchangeable cross-reference
interchangeable
BB5211Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TLC3901?
TLC3901 is a TLC3901. It is classified as a MRO (MRO_GENERAL).
What parts can replace TLC3901?
There are 21 known substitutes for TLC3901: 975, RA1-INCH FLANGETTE, RA1 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TLC3901?
TLC3901 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7045-01-140-5938. 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