M28840/14
Jam Nut Mount Receptacle Connector
Material and Finish
A
- Class D: Aluminum, Cadmium Plate,
O.D. over Electroless Nickel
B
- Class DS: Corrosion Resistant
Steel, Cadmium Plate, Black
A
THREAD
1.033
1.013
T
.026
.010
M THREAD
2.062
MAX.
.130
.100
Key Position
1, 2, 3, 4, 5 and 6
Insert
Arrangement
M28840/14
Military
Designator
A
G
1
P
1
K
Shell Size
Contact Style
P, S, F, G, D or E
BB
L
G
TYP.
.096
.089
HEX NUT
S
V THREAD
O-RING
.188 MAX.
PANEL
THICKNESS
Desig-
nator
A (11)
B (13)
C (15)
D (17)
E (19)
F (23)
G (25)
H (29)
J (33)
BB
G
K
L
Across Flat
.841 (21.36)
.832 (21.13)
M
Thread
Class 2A
7/8-20 UNEF
1-20 UNEF
N
Max.
P
S
Hex Nut
R Max. Thickness
T
±.017
(0.43)
1.062
(26.97)
1.188
(30.18)
.979 (24.87) 1.274 (32.36) 1.368 (34.75)
.969 (24.61) 1.254 (31.85) 1.348 (34.24)
.750 .890 (22.61) .875
(19.05) .880 (22.35) (22.22)
.875 1.015 (24.78) 1.000
(22.22) 1.005 (25.53) (25.40)
.125
(3.17)
1.104 (28.04) 1.399 (35.53) 1.508 (38.30) .966 (24.54)
1.094 (27.79) 1.379 (35.03) 1.488 (37.80) .957 (24.31)
1.292 (32.82) 1.587 (40.31) 1.681 (42.70) 1.156 (29.29)
1.062 1.203 (30.56) 1.188
1 3/16-18 UNEF
1.282 (32.56) 1.567 (39.80) 1.661 (42.19) 1.144 (29.06)
(26.97) 1.193 (30.30) (30.18)
1.354 (34.39) 1.649 (41.88) 1.743 (44.27) 1.216 (30.89)
1.125 1.265 (32.13) 1.250
1 1/4-18 UNEF
1.344 (34.14) 1.629 (41.38) 1.723 (43.76) 1.207 (30.66)
(28.58) 1.255 (31.88) (31.75)
1.542 (39.17) 1.837 (46.66) 1.931 (49.05) 1.403 (35.64)
1.312 1.453 (36.91) 1.438
1 7/16-18 UNEF
1.532 (38.91) 1.817 (46.15) 1.911 (48.54) 1.394 (35.41)
(33.32) 1.443 (36.65) (36.52)
1.729 (43.92) 2.024 (51.41) 2.118 (53.80) 1.591 (40.41)
1.500 1.640 (41.66) 1.625
1 5/8-18 UNEF
1.718 (43.66) 2.004 (50.90) 2.098 (53.29) 1.582 (40.18)
(38.10) 1.630 (41.40) (41.28)
1.854 (47.09) 2.149 (54.58) 2.243 (56.97) 1.716 (43.59)
1 3/4-18 UNS
1.844 (46.84) 2.129 (54.08) 2.223 (56.46) 1.707 (43.36)
1.625 1.765 (44.83) 1.750
(41.28) 1.755 (44.58) (44.45)
1.375
(34.93)
1.438
(36.53)
1.625
(41.28)
1.812
(46.02)
2.000
(50.80)
2.042 (51.87 2.337 (59.36) 2.435 (61.85) 1.903 (46.34)
1.812 1.953 (49.61) 1.938
1 15/16-16 UN
2.032 (51.61) 2.317 (58.85) 2.415 (61.34) 1.894 (48.11)
(46.02) 1.943 (49.35) (49.22)
2.229 (56.62) 2.524 (64.11) 2.618 (66.50) 2.091 (53.11)
2.219 (56.36) 2.504 (63.60) 2.598 (65.99) 2.082 (52.88)
2 1/8-16 UN
2.000 2.140 (54.36) 2.125
(50.80) 2.130 (54.10) (53.98)
.189
(4.8)
2.188
(55.58)
2.375
(69.85)
© 2013 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
E-Mail: sales@glenair.com
www.glenair.com
B-37
MIL-DTL
28840
B
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