| Also known as | H2688, NB157 |
| Diagram | Fig. 9 — FRONT FORKS · ref 44 |
| Subsystem | forks front |
| Listed in parts books | 1968 |
ALLEN HEX BOLT 5/16-22 BSF x 3/4 UH - DAMPNER TUBE - Replaces 97-2663 NM19437 067745
Allen hex bolt, 5/16-22 BSF x 3/4 in. U.H., used on the damper tube, PN 97-2688.
This is an Allen hex bolt, 5/16-22 BSF thread, 3/4 inch under the head, used on the damper tube. The catalog lists it as a replacement for an earlier bolt, part number 97-2663, and it also shows up under the older reference numbers NM19437 and 067745 in some records, along with the legacy form NB157.
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We don't have much more detail on this one beyond what's in the parts book. If you're trying to match up an old bolt on a damper tube assembly, this is worth checking against your original for thread pitch and length before you order.
Give the shop a call if you want to confirm fitment before ordering — with a small hardware item like this it's worth double-checking against what's on the bike.
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