D38999/49 Defense Supply Center, D38999/49 Datasheet - Page 29

• Manufacturer Part Number: D38999/49
• Description: D38999K / D38999J 500 Cycle Contact
• Manufacturer: Defense Supply Center

sizes in all series or all contact sizes shall provide the following test samples instead of those specified in
4.3.1a and 4.3.1b. Four mating pairs of each shell in each series or contact size to be qualified. The
maximum number of connectors that will be tested is 36. Future qualification of additional shell or contact
sizes will require qualification as determined by the qualifying activity.
4.3.1.1 Sample size (limited qualification). Manufacturers that do not intend to qualify all nine shell
c. One straight plug with spring fingers and counterpart wall mounting receptacle of small, medium,
d. One wall mounting receptacle with applicable conductive finish in small, medium, and large shell
e. Ten mating pairs, straight plugs and wall mounting receptacles, of a medium shell size, in any
f. Ten straight plugs and wall mounting receptacles of various representative shell sizes and insert
g. Sufficient, mating connectors, plugs, and wall mounting receptacles, in representative shell sizes,
h. Sufficient hermetic receptacles to provide the following quantities of pin contacts:
i. For each shell size one mating pair of series II and one mating pair of series I, III, and IV, will be
j. One mating pair of classes K and S receptacle and classes K and S straight plug of each of the
k. One mating pair of series I, III, and IV straight plug and receptacle of each of the nine shell sizes.
m. Two bonded insert grommet assemblies and two bonded insert interface seal assemblies which
n. One mating pair of unplated class J or M connectors (less inserts) in each shell size range
and large shell sizes with applicable EMI backshells.
sizes, less coupling pins and inserts. These connectors must intermate with samples provided
under 4.3.1c.
representative insert and shell size arrangement.
arrangements.
to provide a minimum of 21 contact cavities of each applicable contact size.
supplied with environmental backshells in accordance with MIL-C-85049 category 2B for each
shell size. Connectors shall be supplied in maximum density contact arrangements with pin
contacts in the receptacles.
nine shell sizes. Three shell sizes shall be service M, three shall be service I, and three shall be
service II. Each arrangement in a given shell size shall be the densest contact arrangement for
that particular service rating. All samples shall be provided with applicable MIL-C-85049 straight
strain relief clamps.
Each arrangement in a given shell size shall be the densest contact arrangement for that
particular service rating.
have not been assembled into the connector shell shall be tested. The assemblies shall be of
the size and contact arrangement for which qualification is to be conducted.
(small, medium and large).
(See ASTM E 595-84 for sample size for thermal vacuum outgassing test).
MIL-DTL-38999K
20,16
22D
Size
12
29
Quantity
65
50
35