1、 MIL-DTL-28748/3F 9 September 2004 SUPERSEDING MIL-DTL-28748/3E 11 May 1999 DETAIL SPECIFICATION SHEET CONNECTORS, ELECTRICAL, RECTANGULAR, RACK AND PANEL, CRIMP TYPE REMOVABLE PIN CONTACTS, SIZES 16 AND 20 This specification is approved for use by all Departments and Agencies of the Department of D
2、efense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-28748. Connector NOTE: The polarization feature (pin on the plug shell, groove on the receptacle shell) shall be adjacent to the side closest to the number 1 or A contact positio
3、n. Configuration A FIGURE 1. Plug connector with shield, plug shell, and turnable jackscrews. AMSC N/A FSC 5935 INCH-POUNDProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28748/3F 2 Inches mm Inches mm Inches mm .002 .005 .010 .016 .075 .086 .
4、09 0.05 0.13 0.25 0.41 1.91 2.18 2.29 .143 .150 .172 .1875 .195 .228 .260 3.63 3.81 4.37 4.765 4.95 5.79 6.60 .300 .370 .375 .450 .525 .660 .906 1.220 7.62 9.40 9.53 11.43 13.34 16.76 23.01 30.99 Insert with 7 contacts Insert designator A FIGURE 2. Insert arrangements. Provided by IHSNot for ResaleN
5、o reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28748/3F 3 Inches mm Inches mm Inches mm .002 .004 .005 .010 .016 .075 .086 .09 0.05 0.10 0.13 0.25 0.41 1.91 2.18 2.29 .143 .150 .172 .1875 .195 .200 .260 .370 3.63 3.81 4.37 4.76 4.95 5.08 6.60 9.40 .375 .450 .511 .600 .81
6、0 1.000 1.312 9.53 11.43 12.98 15.24 20.57 25.40 33.32Insert with 9 contacts Insert designator B FIGURE 2. Insert arrangements - Continued.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28748/3F 4 Insert with 14 contacts Insert designator C
7、FIGURE 2. Insert arrangements - Continued. Inches mm Inches mm .002 .004 .005 .010 .02 .016 .075 .09 .120 .130 .143 .150 0.05 0.10 0.13 0.25 0.5 0.41 1.91 2.29 3.06 3.30 3.63 3.81 .169 .195 .219 .260 .370 .438 .450 .511 .600 .778 .938 1.250 4.29 4.95 5.56 6.60 9.40 11.13 11.43 12.98 15.24 19.76 23.8
8、3 31.75 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28748/3F 5 Inches mm Inches mm Inches mm .002 .004 .005 .010 .016 .02 .075 .09 0.05 0.10 0.13 0.25 0.41 0.5 1.91 2.29 .120 .130 .143 .150 .175 .195 .219 .260 3.06 3.30 3.63 3.81 4.45 4.9
9、5 5.56 6.60 .370 .438 .511 .750 .900 1.072 1.250 1.562 2.290 9.40 11.13 12.98 19.05 22.86 27.23 31.75 39.67 58.17 Insert with 20 contacts Insert designator D FIGURE 2. Insert arrangements - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-M
10、IL-DTL-28748/3F 6 Inches mm Inches mm .002 .004 .005 .010 .016 .02 .065 .075 .09 .116 .143 .130 .143 0.05 0.10 0.13 0.25 0.41 0.5 1.65 1.91 2.29 2.95 3.63 3.30 3.143 .150 .195 .206 .260 .281 .370 .511 .562 .750 .900 1.072 1.312 1.625 3.81 4.95 5.23 6.60 7.14 9.40 12.98 14.28 19.05 22.86 27.24 33.32
11、41.28 Insert with 26 contacts Insert designator E FIGURE 2. Insert arrangements - Continued.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28748/3F 7 Inches mm .002 .003 .004 .005 .008 .010 .016 .02 .020 .075 .09 .090 .110 .118 .143 .150 .18
12、0 .195 .234 .244 .260 .370 .375 .468 .525 .750 1.050 1.200 1.376 1.688 2.000 0.05 0.08 0.10 0.13 0.20 0.25 0.41 0.5 .051 1.91 2.8 2.79 2.29 3.00 3.63 3.81 4.57 4.95 5.94 6.20 6.60 9.40 9.53 11.68 13.34 19.05 26.67 30.48 34.95 42.88 50.80Configuration F - Suitable for all applications, except for one
13、-piece jackscrews. Configuration M - For long jackscrews and shield only (through hole alternate construction). Insert with 34 contacts Insert designators F and M FIGURE 2. Insert arrangements - Continued.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,
14、-,-MIL-DTL-28748/3F 8 Configuration G - Suitable for all applications, except one-piece jackscrews. Configuration N - For long jackscrews and shield only (through hole alternate construction). Insert with 42 contacts Insert designators G and N FIGURE 2. Insert arrangements - Continued.Inches mm .002
15、 .003 .005 .008 .010 .016 .02 .020 .075 .09 .090 .110 .118 .143 .150 .180 .195 .234 .250 .260 .370 .375 .468 .525 .750 1.350 1.500 1.672 2.000 2.312 0.05 0.08 0.13 0.20 0.25 0.41 0.5 0.51 1.91 2.8 2.29 2.79 3.00 3.63 3.81 4.57 4.95 5.94 6.35 6.60 9.40 9.53 11.89 13.34 19.05 34.29 38.10 42.47 50.80 5
16、8.72 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28748/3F 9 CENTER THROUGH HOLE CONSTRUCTION CONFIGURATION P Configuration H - Suitable for all applications, except one-piece jackscrews. Configuration P - For long jackscrews and shield on
17、ly (through hole alternate construction). Insert with 50 contacts Insert designators H and P FIGURE 2. Insert arrangements - Continued. Inches mm .002 .003 .005 .008 .010 .02 .020 .062 .075 .09 .090 .093 .110 .118 .135 .143 .150 .156 .180 .195 .234 .241 .260 .370 .4375 .468 .525 .875 1.650 1.800 1.9
18、72 2.282 2.718 0.05 0.08 0.13 0.20 0.25 0.5 0.51 1.57 1.91 2.8 2.79 2.36 2.79 3.00 3.43 3.63 3.81 3.96 4.57 4.95 5.94 6.12 6.60 9.40 11.11 11.89 12.98 22.23 42.04 45.72 50.09 57.96 69.04Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28748/3F
19、 10 Configuration J - Suitable for all applications, except for one-piece jackscrews. Configuration Q - For long jackscrews and shield only (through hole alternate construction). Insert with 66 contacts Insert designators J and Q FIGURE 2. Insert arrangements - Continued. Inches mm .002 .003 .005 .0
20、08 .010 .016 .020 .090 .110 .118 .143 .150 .180 .195 .235 .250 .260 .312 .370 .500 .525 .5625 1.125 1.500 1.673 1.969 2.281 0.05 0.08 0.13 0.20 0.25 0.41 0.51 2.23 2.79 2.30 3.63 3.81 4.57 4.95 5.97 6.35 6.60 7.92 9.40 12.70 13.34 14.288 28.58 38.10 42.49 50.01 57.94 Provided by IHSNot for ResaleNo
21、reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28748/3F 11 Configuration K - Suitable for all applications, except one-piece jackscrews. Configuration R - For long jackscrews and shield only (through hole alternate construction). Insert with 75 contacts Insert designators
22、K and R FIGURE 2. Insert arrangements - Continued.Inches mm .002 .003 .004 .005 .008 .010 .016 .020 .025 .062 .075 .090 .093 .110 .117 .118 .135 .143 .150 .156 .180 .195 .234 .241 .260 .370 .383 .525 .617 .766 1.234 1.650 1.800 1.990 2.281 2.718 0.05 0.08 0.10 0.13 0.20 0.25 0.41 0.51 0.64 1.57 1.91
23、 2.29 2.79 3.00 2.97 3.00 3.45 3.63 3.81 3.96 4.57 4.95 5.94 6.12 6.60 9.40 9.73 13.34 15.67 19.46 31.34 41.91 45.72 50.55 57.94 69.04 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28748/3F 12 Configurations L - Suitable for all application
24、s, except one-piece jackscrews. Configurations S - For long jackscrews and shield only (through hole alternate construction). Insert with 104 contacts Insert designators L and S FIGURE 2. Insert arrangements - Continued. Inches mm .002 .005 .008 .010 .016 .075 .090 .110 .143 .150 .180 .234 .250 .260
25、 .370 .375 .438 .525 .7655 .875 1.531 1.800 2.048 2.375 2.750 0.05 0.13 0.20 0.25 0.41 1.91 2.79 2.79 3.63 3.81 4.57 5.94 6.35 6.60 9.40 9.53 11.13 13.34 19.44 22.23 38.89 45.72 52.02 60.33 69.85 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DT
26、L-28748/3F 13 REQUIREMENTS: Dimensions and configuration: See figures 1 and 2. Insert material: See MIL-DTL-28748. Mating connector: See MIL-DTL-28748/2 and MIL-DTL-28748/4. Hardware accessories: See MIL-DTL-28748/17. Part or Identifying Number (PIN): As shown in the following example and table I: 1
27、/ 2/ See table I for permissible PINs: (See PIN codes) M28748/3 A 1 H L 1 A Basic number Insert Shield and Shell and Jackscrews Contacts of specification designator shield clamp polarization or (see table II) sheet location or position guidepins retaining plate PIN codes: Insert designator (See tabl
28、e III) Number of contact positions Shield and shield clamp location or retaining plate 3/ Shell and polarization designators 4/ Jackscrews or guidepins 5/ A 7 B 9 C 14 D 20 E 26 F 34 G 42 H 50 J 66 K 75 L 104 Insert designator through hole 6/ M 34 N 42 P 50 Q 66 R 75 S 104 0 No shield or retaining p
29、late Shield and shield clamp location 1 - top M18192 2-side M18192 3 - top M18193 4-side M18193 Retaining plate 5 M18198 6 M18199 7 M18200 0 - No shell included Plug shell A A of M18203 B B of M18203 C C of M18203 D D of M18203 E E of M18203 F F of M18203 G G of M18203 H - Unpolarized M18203 Recepta
30、cle shell J A of M18204 K B of M18204 L C of M18204 M D of M18204 N E of M18204 P F of M18204 Q G of M18204 R Unpolarized M18204 0 No Jackscrews or guidepins. F - Fixed jackscrews, M18196 (not used with shield). G - Guidepins, M18197 (not used with shield). L - Long jackscrews M18194 S - Short jacks
31、crews M18195 (not used with shield). Jack and guide location: The jackscrew female (turning or fixed) or guide socket shall be located by the A or 1 pin contact. See footnotes on next page. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-2874
32、8/3F 14 1/ The number zero (0) is used to indicate which parts are not included. 2/ To order individual piece parts for the shield, retaining plate, shell, jackscrews and guide pins, use MIL-DTL-28748/17. 3/ Retaining plate and shells are not available for insert size A. 4/ Polarization positions ar
33、e for location of plug and receptacle shell pins and slots. See M28748/17. 5/ Jackscrew designator L: Multi-piece jackscrews will be supplied with insert designators A through L. Long one-piece jackscrews will be supplied for insert designators M through S. 6/ Inserts M through S have through holes
34、for use with long one-piece jackscrew designs only. 7/ Mold bodies and hardware from different manufacturers are not necessarily interchangeable. TABLE I. Permissible PINs (connector assembly). Configuration Accessories Receptacle Insert Shield and clamp position/ or retaining plate Shell and polari
35、zation position Jackscrews Contacts A 0 0 B C D E 0 Retaining Plate 5 F G H K 0 Retaining Plate 6 M28748/3- J L 0 Retaining Plate 7 0, J thru R 0, F, G Plug A 0 B C D E F G H K 0 Shield 1, 2 J L 0 Shield 3, 4 M N P R 0 Shield 1, 2 M28748/3- Q S 0 Shield 3, 4 0 0, A thru H 0, L, G, S See table II Pro
36、vided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28748/3F 15 TABLE II. Contact size percent 1/ Contact Sizes 16-16 M39029/34-273 (percent) Sizes 16-20 M39029/34-272 (percent) Sizes 20-20 M39029/34-271 (percent) 1A 1B 1C 1D 1E 1F 1G 1H 1J 1K 1L 10
37、0 90 80 70 60 50 40 30 20 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2A 2B 2C 2D 2E 2F 2G 2H 2J 2K 0 0 0 0 0 0 0 0 0 0 100 90 80 70 60 50 40 30 20 10 0 0 0 0 0 0 0 0 0 0 3A 3B 3C 3D 3E 3F 3G 3H 3J 3K 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 90 80 70 60 50 40 30 20 10 1/ Contact percent size
38、 = number of contact positions times the percent in table II. Example: 34 X .80 = 27.2 or 27 contacts supplied. Values of .5 and above are rounded to the next contact. Crimp tool M22520/1-01. Positioner M22520/1-03 (positioner A color blue/red). Installation tool M81969/18-01. Removal tool M81969/20
39、-01. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28748/3F 16 For superseded insert Military Standard sheet PINs to M28748 PINs see table III. TABLE III. Supersession data (inserts). MS PIN M28748/3 PIN Number of contact positions MS14010-
40、1 MS14007-1 MS18174-1 MS18176-1 MS14008-1 MS18178-1 MS18180-1 MS18182-1 MS18184-1 MS18187-1 MS18189-1 MS18178-2 MS18180-2 MS18182-2 MS18184-2 MS18187-2 MS18189-2 M28748/3-A0001L M28748/3-B0001L M28748/3-C0001L M28748/3-D0001L M28748/3-E0001L M28748/3-F0001L M28748/3-G0001L M28748/3-H0001L M28748/3-J
41、0001L M28748/3-K0001L M28748/3-L0001L M28748/3-M0001L M28748/3-N0001L M28748/3-P0001L M28748/3-Q0001L M28748/3-R0001L M28748/3-S0001L 7 9 14 20 26 34 42 50 66 75 104 34 1/ 42 1/ 50 1/ 66 1/ 75 1/ 104 1/ 1/ Insert through hole designator. Inserts 2 (M through S) have through holes for use with long o
42、ne-piece jackscrew designs only. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of the changes. Reference documents. In addition to MIL-DTL-28748, this document references the following: MIL-DTL-28748/2 MIL-DTL-28748/4 MIL-DT
43、L-28748/17 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28748/3F 17 CONCLUDING MATERIAL Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 11 (Project 5935-4572-002) DLA - CC Review activities: Army - AT, MI Navy - AS
44、, SH Air Force - 99 NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
