Pony Rod
Pony Rod Tapered Jam Nut Clamp Type
- Catalogue reference number
- KA-275T
- Catalogue brand
- Kerr
Catalogue fields identify reference material. They do not confirm stock, OEM authorization or interchange. Verify the nameplate, original number and edition.
Catalogue model references
These are retained catalogue associations, not confirmed fitment for your equipment. Choose the model you want to review.
Catalogue specification records
| Original field | Recorded value |
|---|---|
| Weight | 5.00 lb (≈ 2.27 kg, converted) |
| Width | (Not listed) |
| Height | (Not listed) |
| Depth | (Not listed) |
Catalogue description records
This is a tapered jam nut, clamp type, for the pony rod. It secures and retains the pony rod connection against loosening under the pump's reciprocating loads, using a tapered clamp arrangement. It is an aftermarket replacement part for Kerr part number KA-275T, supplied to fit the KA-3500PT, T50 and T50-PT models. It weighs about 5.00 lb.
A pony rod (intermediate rod) extends between the crosshead and the piston or plunger rod, passing through the oil-seal housing that separates power end from fluid end.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which pumps does this jam nut fit?
- It is configured to fit the KA-3500PT, T50 and T50-PT models.
- What does this part do?
- It is a tapered, clamp-type jam nut that secures and retains the pony rod connection against loosening under the pump's reciprocating loads.
- What is the cross-reference part number?
- This is an aftermarket replacement part that cross-references to Kerr part number KA-275T. The brand and number are for identification only and do not indicate OEM manufacture.
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