Composite Junction Boxes 687-461 Hole Cap Assembly TABLE I Dash Number A Mounting Hole Dia. D Dim. 016 017 018 019 020 021 022 023 027 028 029 030 031 032 .646 .725 .765 .802 .890 .945 1.015 1.077 1.328 1.203 1.438 .640 1.000 .755 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A .595 .968 .691 Fasteners Product Series 687 - Box Mounting Plate Material and Finish (See Table I) 687 - 461 Basic Part Number XM 019 M - Metric U - Unified M Dash Number (See table II) Thread Size, Box Components, Ref. M16 M18 5/8 A 3/4 M20 7/8 15/16 1.0 M27 15/16 M30 13/16 M36 See Detail A See Detail A See Detail A B C Box Wall Interior O-Ring NAS70C6-4 Unified Screw Assembly B D A Detail A D-Cut Configuration Cap Thread Insert Mounting Hole Diameter Disk TABLE II: DASH NUMBER Dash No. TABLE III: MATERIALS AND FINISHES Symbol Material XO XB XM Finish Description No Plating – Color Light Grey (Non-Conductive Finish) PEI 30% Glass Filled Composite Thermoplastic XZN No Plating – Color Black (Non-Conductive Finish) Conductive – Electroless Nickel Conductive – Zinc Nickel, Black 016 017 018 019 020 022 023 027 029 Mounting Hole Dia. .646 .725 .765 .802 .890 1.015 1.077 1.328 1.438 (16.4) (18.4) (19.4) (20.4) (22.6) (25.8) (27.4) (33.7) (36.5) Metric Dimensions (mm) are in parentheses and are for reference only © 2009 Glenair, Inc. CAGE Code 06324 E Printed in U.S.A. GLENAIR, INC. • 1211 AIR WAY • GLENDALE, CA 91201-2497 • 818-247-6000 • FAX 818-500-9912 www.glenair.com E-Mail: [email protected] E-45 F G