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Technical Data Sheet
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F4891-225277 — STUD,BALL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

F4891-225277: STUD,BALL.

The STUD,BALL is a the manufacturer industrial component. Key specifications include end_item_identification: STEERABLE DRIVE AXLE MODEL SDA 18. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-644-5546, 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
F4891-225277
NSN: 5307-01-644-5546
FSC: 5307 — Studs
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)
SPECIFICATIONS
end_item_identificationSTEERABLE DRIVE AXLE MODEL SDA 18
NSN5307-01-644-5546
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: F4891-225277 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONSTEERABLE DRIVE AXLE MODEL SDA 18
SUBSTITUTES & CROSS-REFERENCES 2
225277Reference document
Same NSN cross-reference
Reference document — Secondary reference
4891-225277Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is F4891-225277?
F4891-225277 is a STUD,BALL.
What parts can replace F4891-225277?
There are 2 known substitutes for F4891-225277: 225277, 4891-225277. Substitute compatibility should be verified for your specific system.
What is the NSN for F4891-225277?
F4891-225277 is cataloged in the U.S. Government catalog under NSN 5307-01-644-5546. This indicates validated use in U.S. government and defense supply chains.
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