💧 O-Ring, PentairPacFab Sea Horse/FNS, Tank Body, O-420
Made by PacFab, manufacturer part number 195008. It is listed for the equipment shown below, so check the model on your own unit against that list.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | PacFab |
| Manufacturer part number | 195008 |
| Part Type | O-ring |
| Cross Section | 3/8″ |
| Inside Diameter | 19-1/8″id |
| Catalog description | O-Ring, PentairPacFab Sea Horse/FNS, Tank Body, O-420 |
✅ Listed for
- Pentair/PacFab FNS Polymeric FNS24 36 48 60 DE Filter
Exploded parts diagram: This part is shown as item #13 on the Cartridge Filter, Pentair PacFab, Sea Horse, FSH FG Tank exploded parts diagram.
🔧 Cartridge Filter, Pentair PacFab, Sea Horse, FSH FG Tank – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Tool, Button-Hook, Drain Plug Wrench, Stainless Steel |
| – | Tool, Socket, Double-Hex, 9/16 and 7/8, with 1.48well |
| 45 | Manual Air Relief Valve, Pentair PacFab Purex, with Clamp |
| 44 | 16-110-W021K44 |
| 41 | 17-110-1599 |
| 39 | Top Spacer, Pentair PacFab |
| 38 | Spacer, Pentair PacFab NS/Sea Horse/FNS, blk |
| 35 | 16-110-W021K35 |
| 34 | 16-110-W021K34 |
| 33 | Washer, Pentair PacFab FSH/FNS/Quad, Large ID |
| 32 | 16-110-W021K32 |
| 31 | 16-110-W021K31 |
| 30 | Back Up Ring, Pentair PacFab FNS/FSH |
| 29 | 16-110-W021K29 |
| 28 | 16-110-W021K28 |
| 27 | Adapter, Pentair PacFab FSH/FNS, 6" |
| 26 | 16-110-W021K26 |
| 25 | Tank Base, Pentair PacFab FNS/FSH |
| 24 | Pipe Assembly, Pentair PacFab Sea Horse FSH/FNS |
| 23 | O-Ring, 5-3/4" ID, 1/8" Cross Section, Generic,O-108 |
| 22 | Cartridge Support, Pentair PacFab Sea Horse FSH, w/Bumpers |
| 21 | Adapter, Pentair PacFab, 2", 2 required |
| 20 | 16-110-W021K20 |
| 19 | O-Ring, 2-3/8" ID, 3/16" Cross Section, Generic |
| 18 | 16-110-W021K18 |
| 17 | O-Ring, Pent PacFab Sea Horse/FNS/Nautilus, Bulkhead, O-409 |
| 16 | External Spacer, Pentair PacFab NS/Sea Horse/FNS |
| 15 | 16-110-W021K15 |
| 14 | Clamp Ring, Pentair PacFab FNS/FSH, Tank Body |
| 13 | O-Ring, PentairPacFab Sea Horse/FNS, Tank Body, O-420 ◀ this part |
| 12 | 16-110-W021K12 |
| 11 | O-Ring, Buna-N, 2-3/16" ID, 3/32" CrossSection, Generic |
| 10 | Manifold, Pentair PacFab Sea Horse FSH |
| 9 | 16-110-W021K9 |
| 8 | Bleed Tube, Pentair PacFab Sea Horse FSH |
| 7 | Air Relief Strainer, Pentair PacFab |
| 6 | Rubber Bumper, Pentair PacFab Sea Horse FSH |
| 5 | O-Ring, 2-5/8" ID, 3/16" Cross Section, Generic |
| 4 | 16-110-W021K4 |
| 3 | 17-110-1581 |
| 2 | O-Ring, 5/16" ID, 3/32" Cross Section, Generic |
| 1 | 16-110-W021K1 |
🔧 Exploded diagram and parts
This part belongs to the Cartridge Filter, Pentair PacFab, Sea Horse, FSH FG Tank assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
Complete tools
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Tool, Button-Hook, Drain Plug Wrench, Stainless Steel | DPW-150 | 23 in stock | $78.24 | Add to cart |
![]() |
Tool, Socket, Double-Hex, 9/16 and 7/8, with 1.48well | MT-100 | 11 in stock | $68.45 | Add to cart |
Parts that go with this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
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Silicone Based Lubricant 1oz 00150 | 00150 | 343 in stock | $5.26 | Add to cart |
Show the other 4 companion parts we stock
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
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Silicone, DOW 732, 10.1oz Cartridge, Clear | DC-732-CLR-10.3 | 43 in stock | $28.02 | Add to cart |
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Silicone, DOW 732, 3oz Tube, Clear | DC-732-CLR-3 | 186 in stock | $17.88 | Add to cart |
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O-Ring Chart, Aladdin | MG1 | 17 in stock | $83.58 | Add to cart |
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Tool, Pool Tool, O-Ring Pick | 134 | 18 in stock | $11.23 | Add to cart |





































