Printed Circuit Backplane Systems / Catalog - M28859
POLARIZING KEYS

SUN Electronics Distribution Inc. recommends sintered metal to increase the "polarizing feel" of connectors (especially those with large number of contacts) to prevent the engagement of those that should not mate.
| SUN PART NUMBER | FIG. | MATERIAL | TYPE | MIL SPEC PART NUMBER | SUN PART NUMBER FOR MATING PIN | 
| 627-1121-112 627-1122-112 627-1236-112 627-1146-111 627-1147-111 | 1 2 3 1 2 | Poly_ carbonate Poly- carbonate Poly- carbonate Sintered  Metal Sintered Metal | D V O D V | M28754 / 39 - 002 M28754 / 39 - 001 N/A M28754 / 39 - 005 M28754 / 39 - 004 | 675 - 1134 - 111 675 - 1152 - 111 675 - 1283 - 111 675 - 1134 - 111 675 - 1152 - 111 | 
CONTACT (PRESS FIT)
| PART  NUMBER | TAIL LENGTH | OVERALL  LENGTH | MIL-C 28859/1 DASH NO. | 
| 122-3621-614 122-3629-614 122-3631-614 122-3628-614 122-3622-614 122-3620-614 | .055 .230 .305 .405 .555 .680 | .375 .550 .625 .725 .875 1.00 | -01 -02 -03 -04 -05 -06 | 
- LAST 3 DIGITS (614) SPECIFY PLATING TYPE / MILITARY PLATING
CONTACT (PRESS FIT)
(ultra-low insertion force)
| PART  NUMBER | TAIL LENGTH | OVERALL  LENGTH | MIL-C 28859/5 DASH NO. | 
| 122-8721-614 122-8729-614 122-8731-614 122-8728-614 122-8722-614 122-8720-614 122-8733-614 | .055 .230 .305 .405 .555 .680 .750 | .375 .550 .625 .725 .875 1.000 1.125 | -01 -02 -03 -04 -05 -06 -07 | 
CONTACT (OTHER)
| PART  NUMBER H507A014 | TAIL LENGTH | OVERALL  LENGTH | PART 817-3183-XXX | 
| 928-4294-112 928-4294-121 928-4294-113 928-4294-122 928-4294-114 928-4294-123 | .312 .250 .296 .234 .184 .200 | .629 .567 .629 .567 .517 .517 | -001 -010 -002 -011 -003 -012 | 
MODULE INSULATORS



| PART  NUMBER* | END CONFIGURATION | NO. OF   ROWS | # OF POSITIONS PER ROW | MIL-C SPEC | 
| 405-1225-128 405-0417-128 405-2324-128 405-3520-128 | Centered NAFI (1) No NAFI (0) NAFI left (2) NAFI right (3) | 2 4 3 5 | 25 17 24 20 | M28859/2-X M28859/2-X M28859/2-X M28859/2-X | 
* 405-ABCC-128 Part Numbering Key: 405=Series lead-off number; A=End configuration (0 = No NAFI, 1 = Centered NAFI, 2 = NAFI Left, 3 = NAFI Right); B = Number of rows; XX = Number of Positions in each row; 128=Glass-filled polyester.
MODULE INSULATORS - ULTRA HIGH DENSITY
| PART NUMBER | DESCRIPTION | 
| 568-1119-128 568-1121-128 568-1122-128 576-1112-128 576-1113-128 576-1114-128 | UHD, center - standard UHD, left - standard UHD, right - standard UHD, center - reverse UHD, left - reverse UHD, right - reverse | 
FEED THROUGH'S
| PART NUMBER | OVERALL  LENGTH | MATERIAL | 
| 199-3611-614 199-3612-614 | 0.540 0.980 | phosphor bronze phosphor bronze | 
DYNAMIC GROUND
| PART NUMBER | WRAP POST  LENGTH | DESCRIPTION | 
| 323-3614-614 323-3611-614 323-3625-614 323-3613-614 323-3616-614 176-3611-614 176-3613-614 176-3614-614 176-3615-614 | 0.250 0.500 0.625 0.750 0.000 0.625 0.500 0.750 0.275 | tuning fork tuning fork tuning fork tuning fork tuning fork nail head nail head nail head nail head | 
FIELD REPAIR TOOLS
| DESCRIPTION | PART NUMBER | 
| CONTACT EXTRACTION CONTACT INSERTION | 711-1388-111 711-1385-111 | 



