💧 Nut, Pentair PacFab FNS/NS, 5/16-18
Made by PacFab, manufacturer part number 192013. It is listed for the equipment shown below, so check the model on your own unit against that list. If your old part carries one of the cross-reference numbers further down, this is listed as its alternative.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | PacFab |
| Manufacturer part number | 192013 |
| Thread Pitch | 18 |
| Material | Stainless Steel |
| Nut Size | 5/16″ |
| Catalog description | Nut, Pentair PacFab FNS/NS, 5/16-18 |
✅ Listed for
- Pentair Purex Quietflo/Aquatron Pumps
🔄 Cross-reference part numbers
These part numbers are listed as alternatives for this part.
| Brand | Part number |
|---|---|
| Purex/Pentair | 071408 |
Exploded parts diagrams: This part is shown as item #11 on the DE Filter, Pentair/PacFab, FNS Polymeric FNS24,36,48,60; item #11 on the DE Filter, Pentair/PacFab, Nautilus NS24,36,48,60,72; item #10 on the DE Filter, Pentair/PacFab, Nautilus Plus NS24,36,48,60,72 exploded parts diagrams.
🔧 DE Filter, Pentair/PacFab, FNS Polymeric FNS24,36,48,60 – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | _192165 |
| – | _181010 |
| – | Tool, Socket, Double-Hex, 9/16 and 7/8, with 1.48well |
| – | Tool, Button-Hook, Drain Plug Wrench, Stainless Steel |
| – | Bulkhead Wrench, Pentair PacFab Mytilus/FNS |
| 42 | 16-110-W039K42 |
| 41 | 16-110-W039K41 |
| 40 | Tank Base, Pentair PacFab FNS/FSH |
| 39 | O-Ring, 2-3/8" ID, 3/16" Cross Section, Generic |
| 38 | O-Ring, 5-3/4" ID, 1/8" Cross Section, Generic,O-108 |
| 37 | Pipe Assembly, Pentair PacFab Sea Horse FSH/FNS |
| 35 | Adapter, Pentair PacFab FSH/FNS, 6" |
| 34 | 16-110-W039K34 |
| 36 | 16-110-W039K36 |
| 33 | 16-110-W039K33 |
| 32 | 16-110-W039K32 |
| 31 | External Spacer, Pentair PacFab NS/Sea Horse/FNS |
| 30 | 16-110-W039K30 |
| 29 | 16-110-W039K29 |
| 28 | Washer, Pentair PacFab FSH/FNS/Quad, Large ID |
| 27 | 16-110-W039K27 |
| 26B | 16-110-W039K26B |
| 26A | 16-110-W039K26A |
| 25 | 16-110-W039K25 |
| 24 | Back Up Ring, Pentair PacFab FNS/FSH |
| 23 | 16-110-W039K23 |
| 22 | 16-110-W039K22 |
| 21 | 16-110-W039K21 |
| 20 | 16-110-W039K20 |
| 19 | O-Ring, Buna-N, 2-3/16" ID, 3/32" CrossSection, Generic |
| 18 | 16-110-W039K18 |
| 17 | 16-110-W039K17 |
| 16 | 16-110-W039K16 |
| 15 | Grid Manifold Assembly, Pentair PacFab FNS, with Extension |
| 14 | 16-110-W039K14 |
| 13 | Bracket, Pentair PacFab FNS |
| 12 | Air Relief Strainer, Pentair PacFab |
| 11 | Nut, Pentair PacFab FNS/NS, 5/16-18 ◀ this part |
| 10 | 14-110-1704 |
| 9 | 16-110-W039K9 |
| 8 | Spacer, Pentair PacFab NS/Sea Horse/FNS, blk |
| 7 | 14-110-1605 |
| 6 | 14-110-1735 |
| 5 | 16-110-W039K5 |
| 4 | O-Ring, 2-5/8" ID, 3/16" Cross Section, Generic |
| 3 | O-Ring, 5/16" ID, 3/32" Cross Section, Generic |
| 4 | O-Ring, 5/16" ID, 3/32" Cross Section, Generic |
| 2 | 16-110-W039K2 |
| 1b | Manual Air Relief Valve, Pentair PacFab Purex, with Clamp |
| 1a | 16-110-W039K1A |
🔧 Exploded diagram and parts
This part belongs to the DE Filter, Pentair/PacFab, FNS Polymeric FNS24, 36, 48, 60 assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
Show the other 24 parts on this diagram we stock
Tools
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Tool, Socket, Double-Hex, 9/16 and 7/8, with 1.48well | MT-100 | 11 in stock | $68.45 | Add to cart |
![]() |
Tool, Button-Hook, Drain Plug Wrench, Stainless Steel | DPW-150 | 23 in stock | $78.24 | Add to cart |
![]() |
Bulkhead Wrench, Pentair PacFab Mytilus | 197082 | 4 in stock | $57.51 |
Complete multiport valves
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 41 | ![]() |
Multiport Valve, Praher SM2-PP2, 2", with PacFab Plumbing | SM2-PP2 | 11 in stock | $226.36 | Add to cart |
| 41 | ![]() |
Multiport Valve, Praher SM1-PP2, 1-1/2", w/PacFab Plumbing | SM1-PP2 | 4 in stock | $157.91 | Add to cart |
| 41 | ![]() |
Multiport Valve, Pacfab/Pentair DE Filter, 2" Thd, 8 Pos | 261152 | Available to order | $296.45 | |
| 41 | ![]() |
Multiport Valve, Pacfab/Pentair Hi-flow DE Filter, 2" Slip | 261142 | 8 in stock | $261.34 | Add to cart |




















































