D38999/26KG75PN Amphenol, D38999/26KG75PN Datasheet - Page 23

• Manufacturer Part Number: D38999/26KG75PN
• Description: Circular MIL / Spec Connectors 4P SIZE 21 STRAIGHT PLUG PIN
• Manufacturer: Amphenol
• Type: MIL-DTL38999 Circulrr
• Series: 38999 Seriesr

Specifications of D38999/26KG75PN

• Contact Gender: PIN
• Gender: PL
• Number Of Contacts: 4POS
• Shell Size / Insert Arrangement: 21-75
• Mounting Style: Cable
• Termination Method: Crimp
• Shell Plating: Stainless Steel
• Contact Plating: Gold
• Body Orientation: Straight
• Strain Relief: No
• Contact Classification: 4Coaxial
• Operating Temp Range: -65C to 200C
• Product Diameter (mm): 41.7mm
• Product Length (mm): 31.34mm
• Mil Type: MIL-DTL-38999 III
• Product Type: Connectors
• Contact Style: Pin (Male)
• Shell Style: Plug
• Shell Size: 21
• Insert Arrangement: 21-75
• Mating Style: Bayonet
• Lead Free Status / RoHS Status: Compliant

22
Amphenol
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
* D38999/26KJ20PN, is a series III stainless steel plug with twin axial and coaxial contacts that may not meet the firewall requirement of the specification.
* Consult Amphenol Aerospace, Sidney, NY for availability. **Coaxial arrangements are not available in these classes.
Step 3.
Quadrax or Differential Twinax:
The incorporation of Quadrax or Differential Twinax contacts requires a modified connector to
accommodate keyed contacts.
RX
RF
Composite/
Metal
RGF
Composite/
Metal
RGW-
Composite/
Metal
RK**
RW-
Composite/
Metal
Y
RS*
YN
DT
Step 4.
Step 5.
Commercial
D38999/26KJ61HN, is a series III stainless steel plug with high durability contacts. However, the connector will be limited to 500 cycles of durability.
Insert arrangements using multi-axial (i.e. coax, twinax, triax shielded) contacts should not be used in firewall applications.
-
-
H
A
B
P
S
J
P
S
Aerospace
Select a Service Class
Pin Contacts
Socket Contacts
1500 Cycle Pin Contacts
1500 Cycle Socket Contacts
500 Cycle Pin Contacts
500 Cycle Socket Contacts
Same as “P” except supplied less pin Contacts
Same as “S” except supplied less socket contacts ( A & B designate nonstandard contact applications)
Select a Shell Size & Insert Arrangement see pg. 6-9
Shell Size & Insert Arrangement are together in one chart.
First number represents Shell Size, second number is
the Insert Arrangement*.
Designates
Select a Contact Type
C
F-
M-
G
K
L
W-
J-
Y
S
N
T
Military
Composite
Metal
Composite
Metal
Anodic Coating
Electroless Nickel
Electroless Nickel
Olive Drab Cadmium
Stainless Steel
Olive Drab Cadmium
Stainless Steel
Stainless Steel w/ Nickel
Plate
Stainless Steel w/ Nickel
Plate
Durmalon plated
Finish
Connector
Type
1.
Alternate finish, Non-conductive, anodic coated aluminum, 500 hour salt spray, 200°C.
Consult Amphenol, Sidney NY for details, options and availability of non-cadmium or
nickel finishes.
electroless nickel plated aluminum (composite) optimum EMI shielding effectiveness–
65dB @ 10GHz specification min., 48 hour salt spray, 200°C (Composite-2000 hours
dynamic salt spray).
electroless nickel plated ground plane aluminum (composite), 200°C
Space grade, electroless nickel, 48 hour salt spray, 200°C
Olive drab cadmium plated ground plane aluminum (composite), 175°C
Corrosion resistant stainless steel, fire wall capability, plus 500 hour salt spray resistance,
EMI –45 dB @ 10 GHz specification min., 200°C
Corrosion resistant steel, electro deposited nickel, 48 hour salt spray, 200°C
Corrosion resistant olive drab cadmium plate aluminum (composite), 500 hour salt spray,
EMI –50 dB @ 10 GHz specification min., 175°C (Composite-2000 hours dynamic salt
spray).
Hermetic seal, passivated stainless steel, 200°C
(Non-hermetic connectors), Nickel plated
(Hermetic connectors), Nickel plated
Nickel-PTFE alternative to Cadmium. Corrosion resistant, 500 hour salt spray, EMI-50dB
at 10GHz specification min., 175 degree
Description
Shell Style
2.
Service
Class
RX
3.
Connector
MIL-DTL-38999, Series III TV
Type
1.
Insert Arrg.
Shell
4.
Size-
Shell Style
2.
Contact Type
5.
Service Class
3.
Alternate
Position
6.
Insert Arrg.
Shell
4.
22-2
Size-
Variations
7.
Special
Contact Type
How to Order
5.
P
Alternate
6.
Position
Variations
Special
7.