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230-021  
MIL-DTL-26482 Series II Type Hermetic  
Bayonet Coupling Box Mount Receptacle  
with Crimp Removable Contacts • MS3477 Type  
Alternate Insert  
Arrangement  
Connector Style  
021 = Hermetic Box Mount  
Insert  
W, X, Y or Z  
Arrangement  
Receptacle with Solderless  
Contacts  
(Omit for Normal)  
(See Table II)  
Per MIL-STD-1669  
230 - 021 FT 10 - 6  
D
X
Series 230  
MIL-DTL-26482  
Type  
Shell  
Size  
Contact Type  
Material/Finish  
D = Pin Face, Crimp Rear,  
Removable Sockets  
(See Note 6)  
Z1 = Stainless Steel/  
Passivated  
FT = C1215 Stainless  
Ø K  
Steel/Tin Plated  
(See Note 2)  
D
PANEL  
CUT-OUT  
L Max  
Ref  
F
.060 Width  
Polarizing  
Stripe  
G
Peripheral  
Gasket  
Master  
Polarizing  
Keyway  
Vitreous  
Insert  
Min Edge Distance  
Rear Insulator  
Assembly  
Relative To Mounting Holes  
Shell Sizes 8 - 18 = .035  
Shell Sizes 20 - 24 = .050  
A
B
F
C
C
B
Typ  
E
D
Interfacial  
Seal  
Painted  
Bayonet  
Pin Ends  
Ø H Typ  
4 Pl  
A Max  
(Typ)  
.070 ±.031 Wide  
Blue Color Band  
Located Within  
.125 Of Flange  
© 2009 Glenair, Inc.  
CAGE CODE 06324  
Printed in U.S.A.  
GLENAIR, INC. 1211 AIR WAY GLENDALE, CA 91201-2497 818-247-6000 FAX 818-500-9912  
www.glenair.com  
E-Mail: sales@glenair.com  
D-24  
230-021  
MIL-DTL-26482 Series II Type Hermetic  
Bayonet Coupling Box Mount Receptacle  
with Crimp Removable Contacts • MS3477 Type  
HERMETIC LEAK RATE MOD CODES  
Designator  
–585A  
Required Leak Rate  
1 x 10-10 cc’s Helium per second  
1 x 10-9 cc’s Helium per second  
1 x 10-8 cc’s Helium per second  
–585B  
–585C  
TABLE I: CONNECTOR AND CUT-OUT DIMENSIONS  
C Dia  
Mounting  
Locator  
K Dia  
Panel  
Cut-Out  
Shell  
Size  
A
B
F
G
H
L
.563/.557  
.704/.680  
.078/.046  
8
.828 (21.0) .594 (15.1)  
.120 (3.0)  
.120 (3.0)  
.120 (3.0)  
.120 (3.0)  
.570 (14.5)  
.680 (17.3)  
.789 (20.0)  
.914 (23.2)  
1.078 (27.4)  
1.078 (27.4)  
1.078 (27.4)  
1.078 (27.4)  
(14.3/14.1) (17.9/17.3) (2.0/1.2)  
.673/.667 .704/.680 .078/.046  
(17.1/16.9) (17.9/17.3) (2.0/1.2)  
.782/.776 .704/.680 .078/.046  
(20.0/19.7) (17.9/17.3) (2.0/1.2)  
.907/.901 .704/.680 .078/.046  
(23.0/22.9) (17.9/17.3) (2.0/1.2)  
1.032/1.026 .704/.680 .078/.046  
(26.2/26.1) (17.9/17.3) (2.0/1.2)  
1.157/1.151 .704/.680 .078/.046  
(29.4/29.2) (17.9/17.3) (2.0/1.2)  
1.251/1.245 .756/.739 .110/.078  
(31.8/31.6) (18.9/18.8) (2.8/2.0)  
1.376/1.371 .756/.739 .110/.078  
(35.0/34.8) (18.9/18.8) (2.8/2.0)  
1.501/1.495 .756/.739 .110/.078  
10  
.954 (24.2) .719 (18.3)  
D
12 1.047 (26.6) .812 (20.6)  
14 1.141 (29.0) .906 (23.0)  
16 1.234 (31.3) .969 (24.6)  
18 1.328 (33.7) 1.062 (27.0)  
20 1.453 (36.9) 1.156 (29.4)  
22 1.578 (40.1) 1.250 (31.8)  
24 1.703 (43.3) 1.375 (34.9)  
.120 (3.0) 1.039 (26.4) 1.078 (27.4)  
.120 (3.0) 1.164 (29.6) 1.078 (27.4)  
.120 (3.0) 1.258 (32.0) 1.140 (29.0)  
.120 (3.0) 1.383 (35.1) 1.140 (29.0)  
.147 (3.7) 1.508 (38.3) 1.140 (29.0)  
(38.1/38.0) (18.9/18.8) (2.8/2.0)  
APPLICATION NOTES  
1. To be identified with manufacturer’s name, part number and  
Series II bayonet coupling plug of same size and insert  
polarization.  
date code, space permitting.  
2. Material/Finish:  
4. Performance:  
Shell: Z1 - 304L stainless steel/passivate.  
FT - C1215 stainless steel/tin plated.  
Titanium and Inconel® available. Consult factory.  
Contacts - 52 Nickel alloy/gold plate.  
Bayonets - Stainless steel/passivate.  
Seals - Silicone elastomer/N.A.  
Hermeticity - <1 x 10-7 cc/sec @ 1 atm differential.  
Dielectric withstanding voltage - Consult factory  
or MIL-STD-1669.  
Insulation resistance - 5000 megohms min @500VDC.  
5. See Table II for available insert arrangement option.  
6. Connectors are supplied with applicable crimp socket contacts  
per MIL-C-39029/22-** and MS3160-** insert and removal  
tool.  
Insulation - Glass/N.A.  
Rear insulator - Rigid dielectric/N.A.  
3. Glenair 230-021 will mate with any QPL MIL-DTL-26482  
7. Metric Dimensions (mm) are indicated in parentheses.  
© 2009 Glenair, Inc.  
CAGE CODE 06324  
Printed in U.S.A.  
GLENAIR, INC. 1211 AIR WAY GLENDALE, CA 91201-2497 818-247-6000 FAX 818-500-9912  
www.glenair.com  
E-Mail: sales@glenair.com  
D-25