NAVAIR 01-1A-505-2
008 02
TO 00-25-255-1
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TM 1-1500-323-24-2
Figure 4. MIL-C-26482 Series 1 Design Features
20. Polarization. The polarization letter shows that the
27. Contact Retaining Clip. The retaining clip is
plugs and receptacles with the same letter can be
completely encased in a tough plastic wafer to protect
mated.
clip from damage.
21. DESIGN AND CONSTRUCTION. Connectors and
28. Moisture Sealing. Complete sealing is achieved by
accessories are designed and constructed to withstand
combining four seals, shell, peripheral, interfacial, and
normal handling incidental to installation and
wire seal.
maintenance (Figure 4).
29. Shell Seal. This seal is effected when plug shell
22. INSERTS. The non-resilient material used for all
pushes against sealing ring in receptacle when
inserts shall be a high grade dielectric having electrical
connectors are mated.
and mechanical characteristics suitable for the purpose
intended. The impact strength shall be such that
30. Peripheral Seal. This seal is around the edge of the
material shall not chip, crack, or break during assembly
insulator and designed so that when mating the
or normal maintenance.
connector, tension is put on seal and greatly reduces
compression set.
23. Crimp Snap-In Contacts. Contacts designed to
AS39029 can be crimped with standard M22520/1
31. Interfacial Seal. This seal is achieved by insulator
crimp tool.
faces meeting when plug and receptacle are mated.
24. Closed-Entry Socket Contacts. These contacts
32. Wire Seal. This seal is accomplished by a multiple
eliminate damage from abuse by test probes and help
ripple design, exceeding wire sealing requirements of
to correct any misaligned pins during engagement.
MIL-C-26482.
25. Contact Insertion. Insertion is accomplished from
33. Insert Retention. Insert retention is accomplished
rear of connector. When contact is fully inserted, the
by a hard plastic wafer firmly locked into a groove in
clip tines snap securely behind contact shoulders.
shell and a strong adhesive bond between insert and
shell.
26. Contact Extraction. Extraction is accomplished with
a front-inserted extraction tool. Pressing the tool
34. Keying. Keying is used in shell-enclosed connectors
plunger pushes contact out through rear of connector.
to obtain polarization, which assures the correct location
when mating a connector (Figure 5).
