| NN-20CS | Century Spring Corp. | 954 | COMP O=1.031,L= 2.19,W= .230 | 
                                                                    
                                        | NN-21-BR | Sealcon | 1,995 | LOCKING NUT NICKEL 3/4" NPT | 
                                                                    
                                        | NN-21-GY | Sealcon | 2,000 | LOCKING NUT NYLON 3/4" NPT GRAY | 
                                                                    
                                        | NN-23CS | Century Spring Corp. | 640 | COMP O= .172,L=  .44,W= .019 | 
                                                                    
                                        | NN-24CS | Century Spring Corp. | 379 | COMP O= .953,L=  .69,W= .160 | 
                                                                    
                                        | NN-25CS | Century Spring Corp. | 10 | COMP O= .094,L= 1.00,W= .015 | 
                                                                    
                                        | NN-29-BK | Sealcon | 2,000 | LOCKING NUT NYLON 1" NPT BLACK | 
                                                                    
                                        | NN-29-BR | Sealcon | 2,000 | LOCKING NUT NICKEL 1" NPT | 
                                                                    
                                        | NN-29-GY | Sealcon | 2,000 | LOCKING NUT NYLON 1" NPT GRAY | 
                                                                    
                                        | NN-29CS | Century Spring Corp. | 91 | COMP O= .188,L=  .50,W= .021 |