SERIES 3 INDEX
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Tir-Start
How To Order - (D38999, TV military, metal)

Military Part Number
To more easily illustrate ordering procedure of Tri-Start Connectors (metal)
by military designation, part number D38999/20F A35PB is shown as follows:

Connector Type
D38999/designates MIL-DTL-38999 Series III Connector

Shell Style

20 designates wall mount receptacle
21 designates box mount receptacle, hermetic
24 designates jam nut receptacle
26 designates straight plug
29 designates Lanyard Release plug with pin contacts*
30 designates Lanyard Release plug with socket contacts*
31 designates Lanyard Release plug with MIL-STD- 1760 pin contacts *
32 designates plug protection cap
33 designates receptacle protection cap
* For ordering Amphenol Lanyard Release Connectors consult Factory

See Page 20 for ordering information on MS protection caps.

Service Class

C non-conductive, anodic coated aluminum, 500 hour salt spray, 200�C
F electroless nickel plated aluminum, optimum EMI shielding effectiveness � 65dB @ 10GHz specification min., 48 hour salt spray, 200�C
K corrosion esistant stainless steel, firewall capability, plus 500 hour salt spray resistance, EMI � 45 dB @ 10 GHz specification min., 200�C
W corrosion resistant olive drab cadmium plate aluminum, 500 hour extended salt spray, EMI � 50 dB @ 10 GHz specification min., 175�C
Y hermetic seal, passivated stainless steel, 200�C
S (non-hermetic connectors), nickel plated stainless steel, optimum EMI shielding effectiveness � 65 dB @ 10 GHz specification min., 48 hour salt spray, 200�C
N (hermetic connectors), nickel plated stainless steel, 200�C

Shell Size

MIL-DTL-38999, Sizes 9 � 25

A B C D E F G H J MIL Shell Size
9 11 13 15 17 19 21 23 25

Amphenol
Shell Size

Insert Arrangement MIL-DTL-38999, see insert arrangement chart, Page 5

Contact Type

P designates pin contacts
S designates socket contacts
A designates same as �P� except supplied less pin contacts
B designates same as �S� except supplied less socket contacts.
(A & B designates non-standard contact applications)
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