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PartsTable / COMPONENT / MS21042L08
MS21042L08 ✓ 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

SHIELD,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, thread_series: UNJC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1730-00-771-0814, 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
MS21042L08
NSN: 1730-00-771-0814
FSC: 1730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
lubricationDRY FILM LUBRICANT
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNJC
overall_height0.125 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
hardness_rating49.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE ALL METAL DESIGN
special_featuresTHE ITEM IS A FLIGHT SAFETY CRITICAL AIRCRAFT PART (FSCAP).
thread_directionRIGHT-HAND
washer_thickness0.015 INCHES MINIMUM IN
NSN1730-00-771-0814
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHIELD,AIRCRAFT GROUND SERVICING TITLE COMPONENT PN MS21042L08 MFR SHIELD,AIRCRAFT GROUND
KEY FEATURES
•
SHAPE: HALF ROUNDED
•
DESIGN TYPE: PLUG
•
PREHEATER DUCT OPENING: NOT INCLUDED
•
COVER/PLUG PROTRUSION TYPE: W/STOPS
•
LATCH: NOT INCLUDED
•
HANDLE QUANTITY: 2
•
THICKNESS: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SHAPEHALF ROUNDED
DESIGN TYPEPLUG
PREHEATER DUCT OPENINGNOT INCLUDED
COVER/PLUG PROTRUSION TYPEW/STOPS
LATCHNOT INCLUDED
HANDLE QUANTITY2
END ITEM IDENTIFICATIONOV-1AF/B/C/D AND YAO-1 AIRCRAFT
THICKNESS0.750 INCHES NOMINAL IN
FURNISHED ITEMSWARNING STREAMER
DIAMETER22.874 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
42100Interchangeable
interchangeable cross-reference
interchangeable
MS51861-127Interchangeable
interchangeable cross-reference
interchangeable
MS51861-12Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-6130Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-6130CInterchangeable
interchangeable cross-reference
interchangeable
81878-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21042L08?
MS21042L08 is a SHIELD,AIRCRAFT GROUND SERVICING.
What parts can replace MS21042L08?
There are 26 known substitutes for MS21042L08: 42100, MS51861-127, MS51861-12 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21042L08?
MS21042L08 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1730-00-771-0814. 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