Special Applications 189-021 90° and 45° Backshell for PEEK Convoluted Tubing to be used with MIL-PRF-28876 Fiber Optic Connectors MIL-PRF-28876 fiber optic backshell , 90° and 45°, with compression nut for easy termination of PEEK convoluted tubing How To Order Product Series Basic No. 189 - M Finish Sym (Table II) 021 NF 11 Angular Function N or M Shell Size (Table III) F A Thread .310 B Dia C Dia Spacer Ring G .75 R Min. Sym N 90° .55 Ferrule mated to PEEK tubing P/N 120-108 D H Dia E .55 F Sym M 45° Material/Finish • Adapter, Coupling Nut, and Ferrule: See Table II • Spacer Ring: Al Alloy/Gold Iridite Notes • Spacer Ring is packaged loose and must be installed with Connector at time of assembly to retain Terminus Insert. • For Straight Backshell option, see Glenair drawing 189-014 © 2012 Glenair, Inc. U.S. CAGE Code 06324 Printed in U.S.A. GLENAIR, INC. • 1211 AIR WAY • GLENDALE, CA 91201-2497 • 818-247-6000 • FAX 818-500-9912 www.glenair.com F-12 E-Mail: [email protected] Special Applications 189-021 90° and 45° Backshell for PEEK Convoluted Tubing to be used with MIL-PRF-28876 Fiber Optic Connectors Table III: Shell Size/Dimensions/Conduit Size Shell Size Designator (Ref) A Thread Class 2B ØB Max ØC Max D Max E Max F Max G Max H Max 11 13 15 23 A B C F 3/4-20 UNEF 7/8-20 UNEF 1-20 UNEF 1 7/16-18 UNEF .960 (24.4) 1.085 (27.6) 1.255 (31.9) 1.695 (43.1) .410 (10.4) .532 (13.5) .710 (18.0) 1.116 (28.3) 0.900 (22.9) 0.960 (24.4) 1.020 (25.9) 1.270 (32.3) 0.950 (24.1) 1.010 (25.7) 1.070 (27.2) 1.320 (33.5) 1.985 (50.4) 2.110 (53.6) 2.115 (53.7) 2.485 (63.1) 2.035 (51.7) 2.160 (54.9) 2.165 (55.0) 2.535 (64.4) .390 (9.91) .390 (9.91) .390 (9.91) .890 (22.6) PEEK Conduit Size Frac. Dash Size No. 1/2 16 1/2 16 1/2 16 1 32 Table II: Material/Finish Class B J M N NF T Shell Material AL Alloy Finish Description Cadmium Plate/Olive Drab Gold Iridite over Cadmium Plate over Nickel Electroless Nickel Cadmium Plate/Olive Drab over Nickel Cadmium/Olive Drab over Electroless Nickel (1000 Hours Salt Spray) Cadmium Plate/Bright Dip over Nickel F © 2012 Glenair, Inc. U.S. CAGE Code 06324 Printed in U.S.A. GLENAIR, INC. • 1211 AIR WAY • GLENDALE, CA 91201-2497 • 818-247-6000 • FAX 818-500-9912 www.glenair.com F-13 E-Mail: [email protected]