MIL-DTL-38999/62
REQUIREMENTS:
Dimensions and configurations: See figure 1.
Wire seal shall meet the wire sealing requirements specified in MIL-DTL-38999.
Materials.
Grommet (sealing boot grommet for sealing to cable): Fluorosilicone elastomer.
Contact seal (contact to connector sealing): Rigid thermoplastic or other suitable
rigid dielectric material.
Dimensioning and tolerancing shall be in accordance with ASME Y14.5.
Workmanship. Break all sharp edges. Sealing boot shall be free from flash and burrs.
Part identification marking. The applicable, single-digit style code, boot style "1" (TWINAX style) or "2"
(COAX style), shall be integrally molded-in or shall be permanently etched or laser marked on the boot
as specified in figure 1.
Insert Arrangements: Used with MIL-STD-1560 insert arrangements which require size 8 twinax
contacts in accordance with SAE-AS39029/113 and /114, or size 8 coax contacts in accordance with
SAE-AS39029/59 and /60, and installed with the applicable M17/176-00002 or M17/95-RG180 cables.
Sealing boot may also be used to seal a size 8 dummy contact in accordance with SAE-AS85049/80.
Note: A heat shrink seal shall not be used with this sealing boot.
QUALIFICATION:
The combination of the connector insert arrangement and associated sealing boot comprise a system
for environmental sealing. In order to ensure interoperability, interchangeability and reliable quality,
only QPL-38999 manufacturers seeking to qualify connectors with insert arrangements that require a
MIL-DTL-38999/62 sealing boot shall be eligible to qualify, provided that the prospective sealing boot
manufacturer has previously qualified the connectors with the same class, finish and shell
configuration used for qualification of the QPL-38999 connector with its associated sealing boot.
Qualification inspection, test samples and sample size. Qualification of size 8 twinax sealing boots
shall initially be performed concurrently with qualification of MIL-DTL-38999 connectors with insert
arrangements 25-10 and 25-21. Qualification of size 8 coax sealing boots shall be performed
concurrently with qualification of MIL-DTL-38999 with insert arrangement 25-47, which uses size 8
coax sealing boots. Applicable QPL-39029 contacts and QPL-17 cable shall be used.
Once a first manufacturer is listed on QPL-38999 for insert arrangement 25-10 or 25-21, then other
eligible QPL-38999 manufacturers that do not seek to qualify insert arrangements 25-10 or 25-21, but
that seek to qualify connector/sealing boot systems with for other insert arrangements requiring that
boot, including 17-3, 19-19, 21-76, 25-9 or 25-91, may seek qualification of the connector/sealing boot
system using qualified MIL-DTL-38999 connectors with insert arrangements 25-10 or 25-21, as
applicable, as well as the sealing boot arrangements that they wish to qualify. However, if
connector/sealing boot systems with insert arrangements 25-10 or 25-21 fail, then the other
connector/sealing boot system insert arrangements fail. Any eligible manufacturer seeking
qualification of size 8 coax sealing boots shall use qualified MIL-DTL-38999 connectors with insert
arrangement 25-47.
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