mil-dtl 38999 type glenair, inc. ? 1211 air way ? glendale, ca 91201-2497 ? 818-247-6000 ? fax 818-500-9912 printed in u.s.a. www.glenair.com cage code 06324 ? 2009 glenair, inc. e- mail: sales@glenair.com b-18 b pin contact interferance 1.695 max .920 .910 d fat a thread jam nut .125 max panel e .219 min o- ring 5 h thread master key b dia 90 185 120 typ c c application notes assembly identifed with manufacturers name and part number, 1. space permitting. insert arrangements in accordance with mil-std-1560. 2. glenair 257-255 receptacle connector is designed to mate with any 3. qpl manufacturers mil-dtl-38999 series i plug connector having the same insert arrangement & polarization. material/fnish: 4. shell, jam nutcres/passivated pin contactsnickel-iron alloy 52/gold socket contactscopper alloy/gold insulatorfused vitreous glass/n.a. insulatorshigh grade rigid dielectric/ n.a. sealspure fuorosilicone rubber/ n.a. supplied crimp removal socket contacts conform to 5. m39029/57 metric dimensions (mm) are indicated in parentheses. 6. 257-255 jam nut mount hermetic receptacle with crimp removable socket contacts, mil-dtl-38999 series i type basic number material and finish z1 - cres, passivated shell size table i 257-255 z1 9 - 35 n alternate key position a, b, c, d, e (n = normal) insert arrangement per mil-std-1560
mil-dtl 38999 type glenair, inc. ? 1211 air way ? glendale, ca 91201-2497 ? 818-247-6000 ? fax 818-500-9912 printed in u.s.a. www.glenair.com cage code 06324 ? 2009 glenair, inc. e- mail: sales@glenair.com b-19 b f dia g recommended panel cut-out table i: connector dimensions shell size a thread class 2a b dia .016(0.4) c flats .016(0.4) d flat .005(0.1) 9 .6875-24 unef 1.188(30.2) 1.062(27.0) .650(16.5) 11 .8125-20 unef 1.375(34.9) 1.250(31.8) .750(19.1) 13 1.000-20 unef 1.500(38.1) 1.375(34.9) .937(23.8) 15 1.125-18 unef 1.625(41.3) 1.500(38.1) 1.061(26.9) 17 1.250-18 unef 1.750(44.5) 1.625(41.3) 1.186(30.1) 19 1.375-18 unef 1.938(49.2) 1.812(46.0) 1.311(33.3) 21 1.500-18 unef 2.062(52.4) 1.938(49.2) 1.436(36.5) 23 1.625-18 unef 2.188(55.6) 2.062(52.4) 1.561(39.6) 25 1.750-18 uns 2.312(58.7) 2.188(55.6) 1.686(42.8) table i (continued): connector dimensions shell size e dia .016(0.4) f dia .005(0.1) g .005(0.1) h thread class 2a 9 .109(2.8) .705(17.9) .665(16.9) .4375-28 unef 11 .109(2.8) .827(21.0) .764(19.4) .5625-24 unef 13 .109(2.8) 1.012(25.7) .950(24.1) .6875-24 unef 15 .109(2.8) 1.139(28.9) 1.079(27.4) .8125-20 unef 17 .140(3.6) 1.264(32.1) 1.203(30.6) .9375-20 unef 19 .140(3.6) 1.389(35.3) 1.328(33.7) 1.0625-18 unef 21 .140(3.6) 1.512(38.4) 1.454(36.9) 1.1875-18 unef 23 .140(3.6) 1.639(41.6) 1.579(40.1) 1.3125-18 unef 25 .140(3.6) 1.764(44.8) 1.704(43.3) 1.4375-18 unef 257-255 jam nut mount hermetic receptacle with crimp removable socket contacts, mil-dtl-38999 series i type nasa screening levels and modification codes nasa screening level special screening only special screening plus outgassing processing 8 hour oven bake 400 f. thermal vacuum outgassing 24 hrs. 125 c. level 1 highest reliability mod 429b mod 429j mod 429c level 2 high reliability mod 429 mod 429k mod 429a level 3 standard reliability (use standard part number) mod 186 mod 186m hermetic leak rate mod codes designator required leak rate C585a 1 x 10 -10 ccs helium per second C585b 1 x 10 -9 ccs helium per second C585c 1 x 10 -8 ccs helium per second hermetic leak rate mod codes designator required leak rate a 1 x 10 -10 ccs helium per second b 1 x 10 -9 ccs helium per second c 1 x 10 -8 ccs helium per second C 585b mod code 585 C increased hermeticity mod code leak rate designator b C (see table below)
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