1904-2520-AL,ROUND STANDOFFPLAIN ALUMINUM1/2
1904-2520-B,ROUND STANDOFFPLAIN BRASS1/2 RD
1904-2520-B-25,ROUND STANDOFFBLACK OXIDE, BRASS
1904-2520-N,ROUND STANDOFFNO FINISH - NYLON1
1904-2520-PH,ROUND STANDOFFNO FINISH - PHENOL
1904-2520-S,ROUND STANDOFFPLAIN STEEL1/2 RD
1904-2520-S-12,ROUND STANDOFFCLEAR ZINC1/2 RD X
1904-2520-SS,ROUND STANDOFFPLAIN STAINLESS ST
