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Technical Data Sheet
21842 ✓ Verified by PartsTable
Freecom · 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

<b>One button data-synchronization!</b><br>If you frequently work on files away from your main computer (using your home PC or your notebook on the road, for example), you can use the SYNC button together with the Freecom SYNC software (uses Microsoft Briefcase) to synchronize files when you have finished working on them. When you reconnect your FHD-2 PRO to your main computer and press the SYNC button, the Freecom SYNC software<br>automatically detects if files have been changed and prompts you to update these files on your computer or network to the modified versions. You’ll always have the latest information you need!<br><br><b>Key features:</b><br>- Compact, robust aluminum design for mobile computing<br>applications<br>- The easiest way to add extra storage capacity to your computer<br>- Comes with award winning Acronis True Image Software<br>- Fast installation without rebooting<br>- No device ID's or terminations to worry about<br>- High quality, metal design, only 127 x 79 x 1 This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-01-089-2539, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
21842
NSN: 5940-01-089-2539
FSC: 5940
CAGE: 30377 — SMITHS AEROSPACE, INC., ELECTRONIC SYSTEMS-GRAND RAPIDS (USA)
SPECIFICATIONS
materialPLASTIC DIALLYL PHTHALATE INSULATION
slot_width0.060 INCHES SINGLE END IN
largest_width0.125 INCHES SINGLE END IN
overall_height0.295 INCHES IN
terminal_length0.185 INCHES IN
overall_diameter0.196 INCHES IN
basic_shape_styleTUBULAR, ROUND
precious_materialGOLD AND SILVER
surface_treatmentGOLD CONDUCTOR ACCOMMODATION SECOND LAYER
minor_bushing_length0.045 INCHES IN
mounting_method_stylePRESS FIT KNURL
major_bushing_diameter0.196 INCHES IN
NSN5940-01-089-2539
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Freecom TERMINAL,STUD TITLE COMPONENT PN 21842 MFR Freecom TERMINAL,STUD
KEY FEATURES
SURFACE TREATMENT: GOLD CONDUCTOR ACCOMMODATION SECOND LAYER
PRECIOUS MATERIAL: GOLD AND SILVER
ELECTRICAL INSULATION FEATURE: INSULATING MOUNTING BUSHING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE II,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE MOUNTING FACILITY FIRST LAYER
MINOR BUSHING DIAMETER: 0.185 INCHES IN
MATERIAL: COPPER ALLOY OVERALL EXCEPT INSULATION
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTGOLD CONDUCTOR ACCOMMODATION SECOND LAYER
PRECIOUS MATERIALGOLD AND SILVER
ELECTRICAL INSULATION FEATUREINSULATING MOUNTING BUSHING
SURFACE TREATMENTSILVER CONDUCTOR ACCOMMODATION FIRST LAYER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE II,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE MOUNTING FACILITY FIRST LAYER
MINOR BUSHING DIAMETER0.185 INCHES IN
MATERIALCOPPER ALLOY OVERALL EXCEPT INSULATION
SURFACE TREATMENTCADMIUM MOUNTING FACILITY SECOND LAYER
MOUNTING METHOD STYLEPRESS FIT KNURL
TERMINAL LENGTH0.185 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
2-1842-1Interchangeable
interchangeable cross-reference
interchangeable
3L6649Interchangeable
interchangeable cross-reference
interchangeable
52104-1Interchangeable
interchangeable cross-reference
interchangeable
C52104-1Interchangeable
interchangeable cross-reference
interchangeable
5800332-9009-054Interchangeable
interchangeable cross-reference
interchangeable
12558Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21842?
21842 is a TERMINAL,STUD manufactured by Freecom.
What parts can replace 21842?
There are 9 known substitutes for 21842: 2-1842-1, 3L6649, 52104-1 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21842?
21842 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-01-089-2539. This indicates validated use in U.S. government and defense supply chains.
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