| Reference | Diameter | Thread | Length | Material | Finish | Description | ShortName | |
|---|
| 2N12RS3N | 4 | #4 | 1/8 | NYLON | --- | #2 X 1/8 LNG X 3/16 RND SPACER NYLON | RSN |  |
| 2N12RS4L | 4 | #4 | 1/8 | PHENOLIC | --- | #2 X 1/8 LNG X 1/4 RND SPACER PHENOLIC | RSN | |
| 2N12RS4N | 4 | #4 | 1/8 | NYLON | --- | #2 X 1/8 LNG X 1/4 RND SPACER NYLON | RSN | |
| 4N12HS4N | 4 | #4 | 1/8 | NYLON | --- | #4 X 1/8 LNG X 1/4 HEX SPACER NYLON | RSN | |
| 4N12RS3L | 4 | #4 | 1/8 | PHENOLIC | --- | #4 X 1/8 LNG X 3/16 RND SPACER PHENOLIC | RSN | |
| 4N12RS3N | 4 | #4 | 1/8 | NYLON | --- | #4 X 1/8 LNG X 3/16 RND SPACER NYLON | RSN | |
| 4N12RS3N/MACH | 4 | #4 | 1/8 | NYLON | --- | #4 X 1/8 LNG X 3/16 RND SPACER MACHINED NYLON | RSN/MACH | |
| 4N12RS4I | 4 | #4 | 1/8 | FIBER | --- | #4 X 1/8 LNG X 1/4 RND SPACER FIBER | RSN | |
| 4N12RS4L | 4 | #4 | 1/8 | PHENOLIC | --- | #4 X 1/8 LNG X 1/4 RND SPACER PHENOLIC | RSN | |
| 4N12RS4N | 4 | #4 | 1/8 | NYLON | --- | #4 X 1/8 LNG X 1/4 RND SPACER NYLON | RSN | |
| 4N12RS4NB | 4 | #4 | 1/8 | NYLON | BLK (RoHS) | #4 X 1/8 LNG X 1/4 RND SPACER NYLON BLACK | RSN | |
| 6N12RS4L | 4 | #4 | 1/8 | PHENOLIC | --- | #6 X 1/8 LNG X 1/4 RND SPACER PHENOLIC | RSN | |
| 6N12RS4N | 4 | #4 | 1/8 | NYLON | --- | #6 X 1/8 LNG X 1/4 RND SPACER NYLON | RSN | |
| 6N12RS4NB | 4 | #4 | 1/8 | NYLON | BLK (RoHS) | #6 X 1/8 LNG X 1/4 RND SPACER NYLON BLACK | RSN | |
| 2N68RS3N | 4 | #4 | 11/16 | NYLON | --- | #2 X 11/16 LNG X 3/16 RND SPACER NYLON | RSN | |
| 4N68RS3N | 4 | #4 | 11/16 | NYLON | --- | #4 X 11/16 LNG X 3/16 RND SPACER NYLON | RSN | |
| 4N68RS4N | 4 | #4 | 11/16 | NYLON | --- | #4 X 11/16 LNG X 1/4 RND SPACER NYLON | RSN | |
| 4N81RS4N | 4 | #4 | 13/16 | NYLON | --- | #4 X 13/16 LNG X 1/4 RND SPACER NYLON | RSN | |
| 2N40RS3N | 4 | #4 | 13/32 | NYLON | --- | #2 X 13/32 LNG X 3/16 RND SPACER NYLON | RSN | |
| 2N93RS3N | 4 | #4 | 15/16 | NYLON | --- | #2 X 15/16 LNG X 3/16 RND SPACER NYLON | RSN | |
| 4N93RS4N | 4 | #4 | 15/16 | NYLON | --- | #4 X 15/16 LNG X 1/4 RND SPACER NYLON | RSN | |
| 2N46RS4L | 4 | #4 | 15/32 | PHENOLIC | --- | #2 X 15/32 LNG X 1/4 RND SPACER PHENOLIC | RSN | |
| 2N18RS3N | 4 | #4 | 3/16 | NYLON | --- | #2 X 3/16 LNG X 3/16 RND SPACER NYLON | RSN | |
| 2N18RS4N | 4 | #4 | 3/16 | NYLON | --- | #2 X 3/16 LNG X 1/4 RND SPACER NYLON | RSN | |
| 4N18RS3L | 4 | #4 | 3/16 | PHENOLIC | --- | #4 X 3/16 LNG X 3/16 RND SPACER PHENOLIC | RSN | |
| 4N18RS3N | 4 | #4 | 3/16 | NYLON | --- | #4 X 3/16 LNG X 3/16 RND SPACER NYLON | RSN | |
| 4N18RS4I | 4 | #4 | 3/16 | FIBER | --- | #4 X 3/16 LNG X 1/4 RND SPACER FIBER | RSN | |
| 4N18RS4L | 4 | #4 | 3/16 | PHENOLIC | --- | #4 X 3/16 LNG X 1/4 RND SPACER PHENOLIC | RSN | |
| 4N18RS4N | 4 | #4 | 3/16 | NYLON | --- | #4 X 3/16 LNG X 1/4 RND SPACER NYLON | RSN | |
| 6N18RS4I | 4 | #4 | 3/16 | FIBER | --- | #6 X 3/16 LNG X 1/4 RND SPACER FIBER | RSN | |
| 6N18RS4L | 4 | #4 | 3/16 | PHENOLIC | --- | #6 X 3/16 LNG X 1/4 RND SPACER PHENOLIC | RSN | |
| 6N18RS4N | 4 | #4 | 3/16 | NYLON | --- | #6 X 3/16 LNG X 1/4 RND SPACER NYLON | RSN | |
| 6N18RS4NB | 4 | #4 | 3/16 | NYLON | BLK (RoHS) | #6 X 3/16 LNG X 1/4 RND SPACER NYLON BLACK | RSN | |
| 2N75RS3L | 4 | #4 | 3/4 | PHENOLIC | --- | #2 X 3/4 LNG X 3/16 RND SPACER PHENOLIC | RSN | |
| 2N75RS3N | 4 | #4 | 3/4 | NYLON | --- | #2 X 3/4 LNG X 3/16 RND SPACER NYLON | RSN | |
| 2N75RS4N | 4 | #4 | 3/4 | NYLON | --- | #2 X 3/4 LNG X 1/4 RND SPACER NYLON | RSN | |
| 4N75RS3N | 4 | #4 | 3/4 | NYLON | --- | #4 X 3/4 LNG X 3/16 RND SPACER NYLON | RSN | |
| 4N75RS4L | 4 | #4 | 3/4 | PHENOLIC | --- | #4 X 3/4 LNG X 1/4 RND SPACER PHENOLIC | RSN | |
| 4N75RS4N | 4 | #4 | 3/4 | NYLON | --- | #4 X 3/4 LNG X 1/4 RND SPACER NYLON | RSN | |
| 2N37RS3N | 4 | #4 | 3/8 | NYLON | --- | #2 X 3/8 LNG X 3/16 RND SPACER NYLON | RSN | |
| 2N37RS4N | 4 | #4 | 3/8 | NYLON | --- | #2 X 3/8 LNG X 1/4 RND SPACER NYLON | RSN | |
| 4N37RS3N | 4 | #4 | 3/8 | NYLON | --- | #4 X 3/8 LNG X 3/16 RND SPACER NYLON | RSN | |
| 4N37RS3NB | 4 | #4 | 3/8 | NYLON | BLK (RoHS) | #4 X 3/8 LNG X 3/16 RND SPACER NYLON BLACK | RSN | |
| 4N37RS4/CPVC | 4 | #4 | 3/8 | --- | --- | #4 X 3/8 LNG X 1/4 RND SPACER CPVC | RSN | |
| 4N37RS4I | 4 | #4 | 3/8 | FIBER | --- | #4 X 3/8 LNG X 1/4 RND SPACER FIBER | RSN | |
| 4N37RS4L | 4 | #4 | 3/8 | PHENOLIC | --- | #4 X 3/8 LNG X 1/4 RND SPACER PHENOLIC | RSN | |
| 4N37RS4N | 4 | #4 | 3/8 | NYLON | --- | #4 X 3/8 LNG X 1/4 RND SPACER NYLON | RSN | |
| 4N48RS4N | 4 | #4 | 31/64 | NYLON | --- | #4 X 31/64 LNG X 1/4 RND SPACER NYLON | RSN | |
| 2N31RS3L | 4 | #4 | 5/16 | PHENOLIC | --- | #2 X 5/16 LNG X 3/16 RND SPACER PHENOLIC | RSN | |
| 2N31RS3N | 4 | #4 | 5/16 | NYLON | --- | #2 X 5/16 LNG X 3/16 RND SPACER NYLON | RSN | |
| 2N31RS4N | 4 | #4 | 5/16 | NYLON | --- | #2 X 5/16 LNG X 1/4 RND SPACER NYLON | RSN | |
| 4N31RS3N | 4 | #4 | 5/16 | NYLON | --- | #4 X 5/16 LNG X 3/16 RND SPACER NYLON | RSN | |
| 4N31RS4F | 4 | #4 | 5/16 | TEFLON | --- | #4 X 5/16 LNG X 1/4 RND SPACER TEFLON | RSN | |
| 4N31RS4L | 4 | #4 | 5/16 | PHENOLIC | --- | #4 X 5/16 LNG X 1/4 RND SPACER PHENOLIC | RSN | |
| 4N31RS4N | 4 | #4 | 5/16 | NYLON | --- | #4 X 5/16 LNG X 1/4 RND SPACER NYLON | RSN | |
| 4N31RS4NB | 4 | #4 | 5/16 | NYLON | BLK (RoHS) | #4 X 5/16 LNG X 1/4 RND SPACER NYLON BLACK | RSN | |
| 6N31RS4I | 4 | #4 | 5/16 | FIBER | --- | #6 X 5/16 LNG X 1/4 RND SPACER FIBER | RSN | |
| 2N15RS3N | 4 | #4 | 5/32 | NYLON | --- | #2 X 5/32 LNG X 3/16 RND SPACER NYLON | RSN | |
| 4N15RS3N | 4 | #4 | 5/32 | NYLON | --- | #4 X 5/32 LNG X 3/16 RND SPACER NYLON | RSN | |
| 2N62RS3N | 4 | #4 | 5/8 | NYLON | --- | #2 X 5/8 LNG X 3/16 RND SPACER NYLON | RSN | |