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PartsTable / COMPONENT / 4981978
4981978 ✓ 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 PLUG,ADJUSTING,BALL STUD is a the manufacturer industrial component. Key specifications include material: STEEL, slot_depth: 0.312 INCHES NOMINAL IN, slot_width: 0.187 INCHES NOMINAL IN, overall_length: 0.875 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, end_item_identification: 3930-00-489-0263 FORK LIFT TRUCK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-368-4821, 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
4981978
NSN: 2530-00-368-4821
FSC: 2530
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
materialSTEEL
slot_depth0.312 INCHES NOMINAL IN
slot_width0.187 INCHES NOMINAL IN
overall_length0.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
end_item_identification3930-00-489-0263 FORK LIFT TRUCK
ball_seat_end_characteristicFLAT
lubrication_fitting_threaded_holeNOT INCLUDED
thread_size_and_series/type_designator1-5/16-16 UN
NSN2530-00-368-4821
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLUG,ADJUSTING,BALL STUD TITLE COMPONENT PN 4981978 MFR PLUG,ADJUSTING,BALL ST
KEY FEATURES
•
BALL SEAT END CHARACTERISTIC: FLAT
•
THREAD DIRECTION: RIGHT-HAND
•
SLOT WIDTH: 0.187 INCHES NOMINAL IN
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1-5/16-16 UN
•
MATERIAL: STEEL
•
LUBRICATION FITTING THREADED HOLE: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
BALL SEAT END CHARACTERISTICFLAT
THREAD DIRECTIONRIGHT-HAND
SLOT WIDTH0.187 INCHES NOMINAL IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR1-5/16-16 UN
MATERIALSTEEL
OVERALL LENGTH0.875 INCHES NOMINAL IN
END ITEM IDENTIFICATION3930-00-489-0263 FORK LIFT TRUCK
LUBRICATION FITTING THREADED HOLENOT INCLUDED
SLOT DEPTH0.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
00052 STYLE 5Interchangeable
interchangeable cross-reference
interchangeable
914-144Interchangeable
interchangeable cross-reference
interchangeable
S1679Interchangeable
interchangeable cross-reference
interchangeable
25271-841Interchangeable
interchangeable cross-reference
interchangeable
4981978-2Interchangeable
interchangeable cross-reference
interchangeable
4981978-0002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4981978?
4981978 is a PLUG,ADJUSTING,BALL STUD.
What parts can replace 4981978?
There are 8 known substitutes for 4981978: 00052 STYLE 5, 914-144, S1679 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4981978?
4981978 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-368-4821. 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