Dormont

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.

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