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Technical Data Sheet
042121 ✓ 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 GOVERNOR,DIESEL ENGINE is a the manufacturer industrial component. Key specifications include material: STEEL, end_style: 90 DEGREE PARALLEL, ring_style: STRAIGHT GAP, usage_design: INTERNAL AND EXTERNAL, inside_diameter: 3.719 INCHES NOMINAL IN, major_thickness: 0.096 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 2990-00-166-5976, 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
042121
NSN: 2990-00-166-5976
FSC: 2990
CAGE: 31361 — WOODWARD, INC. (USA)
SPECIFICATIONS
materialSTEEL
end_style90 DEGREE PARALLEL
ring_styleSTRAIGHT GAP
usage_designINTERNAL AND EXTERNAL
inside_diameter3.719 INCHES NOMINAL IN
major_thickness0.096 INCHES NOMINAL IN
outside_diameter4.094 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN2990-00-166-5976
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GOVERNOR,DIESEL ENGINE TITLE COMPONENT PN 042121 MFR GOVERNOR,DIESEL ENGINE
KEY FEATURES
ENGINE DESIGN CONTROL ACTIVITY: 31361
TECHNICAL CHARACTERISTICS (FLIS)
ENGINE DESIGN CONTROL ACTIVITY31361
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
8512150Interchangeable
interchangeable cross-reference
interchangeable
0042121Interchangeable
interchangeable cross-reference
interchangeable
0042121-4Interchangeable
interchangeable cross-reference
interchangeable
42121Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 042121?
042121 is a GOVERNOR,DIESEL ENGINE.
What parts can replace 042121?
There are 4 known substitutes for 042121: 8512150, 0042121, 0042121-4 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 042121?
042121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-166-5976. This indicates validated use in U.S. government and defense supply chains.
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