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Technical Data Sheet
TN321 ✓ 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

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED BOTH ENDS, gear_type: WORM, body_style: BARRIER TYPE, gear_ratio: 40 TO 1, head_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-488-8489, 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
TN321
NSN: 2805-00-488-8489
FSC: 2805
CAGE: 97042 — TRIPLEX MANUFACTURING CO DBA GLOBE SPECIALTY CO DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED BOTH ENDS
gear_typeWORM
body_styleBARRIER TYPE
gear_ratio40 TO 1
head_styleROUND
head_height0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
load_rating1.812 POUNDS NOMINAL LBS
thread_class2A A
coil_quantity6 1/2
head_diameter0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
overall_depth15.000 INCHES NOMINAL IN
NSN2805-00-488-8489
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,INTERNAL COMBUSTION ENGIN TITLE COMPONENT PN TN321 MFR PISTON,INTERNAL COMBUS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
4142Interchangeable
interchangeable cross-reference
interchangeable
5305000228354Interchangeable
interchangeable cross-reference
interchangeable
228354Interchangeable
interchangeable cross-reference
interchangeable
6124-12Interchangeable
interchangeable cross-reference
interchangeable
SL6013PC18Interchangeable
interchangeable cross-reference
interchangeable
1144PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TN321?
TN321 is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace TN321?
There are 28 known substitutes for TN321: 4142, 5305000228354, 228354 and 25 more. Substitute compatibility should be verified for your specific system.
Is TN321 still available?
TN321 is currently cancelled.
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