Gast · Screw / bolt / nut
AJ259
LOCK NUT/BOLT
Where to get it
No supplier lists this number with us yet. Ask for a quote and a specialist finds price and availability for you.
Prices are the supplier’s own, as last checked (date shown); they buy and ship. A price older than 30 days isn’t shown.
As printed in the source
2 | AJ259 | LOCK NUT | 1 (read by Claude, checked against the page)
Fits 25 models
As listed by GastWhen ordering, give the model and serial number from the nameplate: some parts changed within a model’s life.
Where it sits
In the R1102K-01
8 · Screws, washers, pins
- FLAT KEYAB136
- SQUARE KEYAB136A
- COUPLING KEYAB136D
- KEYAC628
- SQUARE KEYAE130A
- SHIM SPACERAE686-3
- SHIM SPACERAE686-5
- SQUARE KEYAH212C
- SHIM SPACERAJ109
- SHIM SPACERAJ110
- RETAINING RINGAJ145
- RETAINING RINGAJ149
- SHIM SPACERAJ169F
- LOCK NUT/BOLTAJ259
- SHIM SPACERAJ260A
- LOCK NUT/BOLTBB707
- LOCK NUT/BOLTBB750
- LOCK NUT/BOLTBC181
- LOCK NUTBC187
- SHIM SPACERBJ110
- SHIM SPACERBJ110A
Our drawing of the machine type, with the R1102K-01's own parts; this part is highlighted. Side view along the shaft: the impeller runs in the open channel of the housing, closed by the cover.
In the manufacturer’s drawings
- Position 2 · Exploded viewO&M Manual: REGEN_01_70-6000_N-2.pdf, p. 7
Part number, name and fitment as published by Gast (source), retrieved 2026-10-20. Vac & Air is independent and not affiliated with the manufacturers shown; names and numbers identify the parts only.