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Understanding the Part Numbering System

Residential Gas Connectors

Character 1: Diameter of connector (choose one)

Part # Details
1 3/8'' OD (1/4'' ID)
2 1/2'' OD (3/8'' ID)
3 5/8'' OD (1/2'' ID)
4 1'' OD (3/4'' ID)
5 1-1/4'' OD (1'' ID)
6 1-1/2'' OD (1-1/4'' ID)

 

Character 2: Coating

Part # Details
O Corrugated Tubing
OA Low-visibility Black
OC SafetyShield® Yellow Coating
1 Hot-DippedGray PVC Coating
1P 15 PSIG Connector with Hot-Dipped, Gray PVC Coating

 

Characters 3 & 4: Choice of fitting or valve for both
ends of connector (choose two)

Part # Details
21 3/8'' MIP (Tapped 1/4'' FIP)
22 3/8'' FIP
23 3/8'' MIP Elbow
24 3/8'' FIP Elbow
31 1/2'' MIP (Tapped 3/8'' FIP)
32 1/2'' FIP
33 1/2'' MIP Elbow
34 1/2'' FIP Elbow
35 1/2'' FIP Straight Connector Valve
36 1/2'' FIP Angle Connector Valve
41 3/4'' MIP (Tapped 1/2'' FIP)
42 3/4'' FIP
43 3/4'' MIP Elbow
44 3/4'' FIP Elbow
45 3/4'' FIP Straight Connector Valve
46 3/4'' FIP Angle Connector Valve
51 1'' MIP (Tapped 3/4'' FIP)
52 1'' FIP
61 1-1/4'' MIP (Tapped 1'' FIP)
62 1-1/4'' FIP
98 Nut Only

 

Character 5: Nominal length in inches. (choose one)

12 18 24 30 36 48 60 72

 

Residential Fittings and Gas Shut-off Valves

Character 1: Style of accessory (fitting or valve)

Part# Details
90 Fitting
91 Connector Valve
92 Straight Valve
93 Angle Connector Valve
94 Full Port Valve
95 Elbow

 

Characters 2 & 3: Choice of fitting or valve for both ends of
connector (choose two)

 

 

Part # Details
10 3/8'' OD Flare
20 1/2'' OD Flare
21 3/8'' MIP (Tapped 1/4'' FIP)
22 3/8'' FIP
30 5/8'' OD Flare (15/16''-16 Thread)
31 1/2'' MIP (Tapped 3/8'' FIP)
32 1/2'' FIP
40 1'' OD Flare
41 3/4'' MIP (Tapped 1/2'' FIP)
42 3/4'' FIP
50 1-1/4'' OD Flare
51 1'' MIP (Tapped 3/4'' FIP)
52 1'' FIP
60 1-1/2'' OD Flare
61 1-1/4'' MIP (Tapped 1'' FIP)
62 1-1/4'' FIP
   

 

Note: For poly-bagged connectors, consult Dormont for pricing.