Figure C-3. Vent Assembly (1) (2) (3) (4) (5) (6) (7) (8) ILLUSTRATION DESCRIPTION QTY (a) (b) NATIONAL INC FIG ITEM SMR STOCK PART IN NO. NO. CODE NUMBER FSCM NUMBER USABLE ON CODE U/M UNIT GROUP 02 VENT ASSEMBLY C-3 1 49234 EX13338-2 CAP, RELIEF WITH GASKET EA 1 C-3 2    4930-00-653-0434 49234 EX1333B-36 ARRESTOR, FLAME EA 1 C-3 3 81718 710OA2X1 STANDPIPE, 2" NOM, SCHEDULE 40 EA 1 C-3 4 5305-00-225-3839 96906 MS90725-8 SCREW, HEX-HD, 1/4-IN. EA 8 C-3 5 5310-00-809-4058 96906 MS27183-10 WASHER, FLAT, 1/4-IN. EA 8 C-3 6 96906 MS27023-21 FLANGED ADAPTOR EA 1 C-3 7 5330-00-291-3085 96906 NS29513-250 O-RING EA 1 C-3 8 4730-00-649-9100 96906 MS27028-11 DUST CAP WITH CABLE AND GASKET EA 1 C-3 9 4720-00-649-9103 96906 MS27024-11 COUPLING, C-D FEMALE, 2" EA 1 C-3 10 5310-00-612-2414 96906 MS27030-6 CASKET, 2" EA I C-7