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About Conduit
Compare rigid and flexible conduit materials and identify the trade size for compatible fittings.
Locknuts for Plastic Conduit Fittings

Nylon
Secure threaded plastic conduit fittings to a knockout in an outlet box or enclosure.
Black | Gray | ||||
|---|---|---|---|---|---|
| Thread Size | Pipe Size | Each | Each | ||
Nylon | |||||
NPT Threads | |||||
| __ | 1/4 | 7877N101 | 00000 | 7877N102 | 00000 |
| __ | 3/8 | 3185K111 | 000 | 7877N103 | 000 |
| __ | 1/2 | 3185K112 | 000 | 7877N104 | 0000 |
| __ | 3/4 | 3185K113 | 0000 | 7877N105 | 0000 |
| __ | 1 | 3185K114 | 0000 | 7877N106 | 0000 |
| __ | 1 1/4 | 3185K115 | 0000 | 7877N107 | 0000 |
| __ | 1 1/2 | 3185K116 | 0000 | 7877N108 | 0000 |
| __ | 2 | 3185K117 | 00000 | 7877N109 | 00000 |
PG Threads | |||||
| PG-11 | __ | 3185K91 | 0000 | 7877N119 | 0000 |
| PG-13.5 | __ | 3185K92 | 0000 | 7877N12 | 0000 |
| PG-16 | __ | 3185K93 | 0000 | 7877N121 | 0000 |
| PG-21 | __ | 3185K94 | 0000 | 7877N122 | 0000 |
| PG-29 | __ | 3185K95 | 0000 | 7877N123 | 0000 |
| PG-36 | __ | 3185K96 | 00000 | 7877N124 | 00000 |
| PG-48 | __ | 3185K133 | 00000 | ______ | 00 |
| PG-7 | __ | 7877N11 | 000 | 7877N116 | 000 |
| PG-9 | __ | 7877N117 | 0000 | 7877N118 | 0000 |
Metric Threads | |||||
| M12 | __ | 7877N126 | 0000 | 7877N127 | 0000 |
| M16 | __ | 7877N128 | 0000 | 7877N129 | 0000 |
| M20 | __ | 7877N13 | 0000 | 7877N113 | 0000 |
| M25 | __ | 7877N131 | 0000 | 7877N132 | 0000 |
| M32 | __ | 7877N133 | 0000 | 7877N134 | 0000 |
| M40 | __ | 7877N114 | 0000 | 7877N135 | 0000 |
| M50 | __ | 7877N115 | 00000 | ______ | 00 |
| M63 | __ | 7877N137 | 00000 | 7877N138 | 00000 |

























