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H146 ✓ 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

COVER,AIRCRAFT GROUND SERVICING. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, lubrication: DRY FILM LUBRICANT, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, nominal_width: 0.656 INCHES 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 3805-00-162-7988, 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
H146
NSN: 3805-00-162-7988
FSC: 3805
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
lubricationDRY FILM LUBRICANT
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
nominal_width0.656 INCHES IN
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
overall_height0.267 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
performance_typeSTANDARD CAPACITY
style_designatorPLAIN
thread_directionRIGHT-HAND
NSN3805-00-162-7988
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,AIRCRAFT GROUND SERVICING TITLE COMPONENT PN H146 MFR COVER,AIRCRAFT GROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
B128Interchangeable
interchangeable cross-reference
interchangeable
77924Interchangeable
interchangeable cross-reference
interchangeable
MS21042L6Interchangeable
interchangeable cross-reference
interchangeable
Z00.N5415371413Interchangeable
interchangeable cross-reference
interchangeable
H146Interchangeable
interchangeable cross-reference
interchangeable
BAF8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H146?
H146 is a COVER,AIRCRAFT GROUND SERVICING.
What parts can replace H146?
There are 7 known substitutes for H146: B128, 77924, MS21042L6 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H146?
H146 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3805-00-162-7988. 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