173940-C-RS,
1739-440-AL,ROUND STANDOFFPLAIN ALUMINUM1/4
1739-440-AL-7,ROUND STANDOFFCLEAR IRIDITE1/4 R
1739-440-B,ROUND STANDOFFPLAIN BRASS1/4 RD
1739-440-N,ROUND STANDOFFNO FINISH - NYLON1
1739-440-PH,ROUND STANDOFFNO FINISH - PHENOL
1739-440-S,ROUND STANDOFFPLAIN STEEL1/4 RD
1739-440-S-12,ROUND STANDOFFCLEAR ZINC1/4 RD X