Every diagram this part appears in — jump straight to its callout, or browse the whole assembly. Each diagram opens with every part numbered, and each callout links back to its own part page.
If your manual or an old invoice lists one of these, 280172 is the current number to order. The old numbers bring you to this page.
45304S36
81827495
V12519
Part guide
New Holland 280172 slotted nut — buyer's guide
~1 min read
New Holland 280172 is the slotted nut Clinton Tractor supplies for this application. It is listed as fitting 545 New Holland models.
What 280172 fits
Fits: New Holland BC5070, New Holland BC5060, New Holland H7450, New Holland FP240, New Holland 445C + 543 more. Commonly ordered for the 14, 230, 234. If your machine isn't listed, check the serial number before ordering.
Which numbers it replaces
280172 supersedes 45304S36, 81827495, V12519. If your parts manual or the old box shows any of those numbers, this is the correct current replacement — no fitment change.