MIL-DTL-3922/52D
NOTES:
1. Dimensions are in inches.
2. Metric equivalents (to the nearest 0.01 mm) are given for general information only and are based
upon 1.00 inch = 25.4 mm.
3. Mating surfaces, including seal groove, shall not exceed 63 microinches in accordance with
ASME B46.1, except that flaws shall be included in the roughness height measurement.
4. Flat face flanges require a metal-rubber seal at the junction. These seals are covered by
MIL-DTL-24211.
5. For lettered dimensions, see table I.
6. Counterbore of the eight holes is not required when flanges are made from bar stock.
Inches
mm
.003
0.08
.004
0.10
.010
0.25
.020
0.51
.030
0.76
.040
1.02
.060
1.52
.090
2.29
TABLE I. Dash numbers and dimensions.
PIN M3922/52- 1/
Dimensions 2/
Dash
Used with
Dash
Used with
No. Waveguide Mating No Waveguide Mating
A
B
C
D
E
F
G
.02
3/
M85/1- flange 4/
M85/1-
flange
BSC
BSC
Dia.
BSC
(0.51)
6.500 .005
3.250 .005
.330 .005
8.69
1.249
2.311
2.374
001
015
5/
002
018, 019,
5/
023
017
024
168
(220.73)
(31.72)
(58.70)
(60.30)
(165.10) (0.13)
(82.55) (0.13)
(8.38) (0.13)
5.100 .005
2.550 .005
.266 .005
003
021
"
004
025, 026,
"
7.16
1.031
1.925
1.987
025
023
026
169
(181.86)
(26.19)
(48.90)
(25.07)
(129.54) (0.13)
(64.77) (0.13)
(6.76) (0.13)
4.300 .005
2.150 .005
6.34
.938
1.720
"
1.787
005
027
"
006
029, 030,
"
(161.04)
(23.82)
(43.69)
(45.39)
027
031
028
170
(109.22) (0.13)
(54.61) (0.13)
3.400 .005
1.700 .005
007
033
"
008
035, 036,
"
5.44
.671
1.500
"
1.344
(138.18)
(17.04)
(38.10)
(34.14)
029
037
030
171
(86.36) (0.13)
(43.18) (0.13)
2.840 .005
1.340 .005
.257 .003
009
039
"
010
041, 042,
"
4.50
.578
1.164
1.281
031
043
032
172
(114.30)
(14.68)
(29.57)
(32.54)
(72.14) (0.13)
(34.04) (0.13)
(6.53) (0.08)
2.290 .005
1.145 .005
.257 .002
011
045
"
012
047, 048,
"
3.88
.500
1.050
1.070
033
049
034
173
(98.55)
(12.70)
(26.67)
(27.18)
(58.17) (0.13)
(29.08) (0.13)
(6.53) (0.05)
1.872 .005
.872 .005
3.50
.438
.914
---
.563
013
051
"
014
053, 054,
"
035
055
036
174
(88.90)
(11.12)
(23.22)
(14.30)
(47.55) (0.13)
(22.15) (0.13)
1.590 .004
.795 .004
015
057
"
016
059, 060,
"
3.19
.375
.875
---
.500
037
061
038
175
(81.03)
(9.52)
(22.22)
(12.70)
(40.39) (0.10)
(20.19) (0.10)
1.372 .004
.622 .004
2.69
.313
.719
---
.438
017
063
"
018
065, 066,
"
039
067
040
176
(68.33)
(7.95)
(18.26)
(11.12)
(34.85) (0.10)
(15.80) (0.10)
1.122 .004
.497 .004
019
069
"
020
071, 072,
"
2.50
"
.640
---
.375
(63.50)
(16.26)
(9.52)
041
073
042
177
(28.50) (0.10)
(12.62) (0.10)
.900 .003
.400 .003
021
075
"
022
077, 078,
"
2.09
"
.578
---
.312
043
079
044
178
(53.09)
(14.68)
(7.92)
(22.86) (0.08)
(10.16) (0.08)
See footnotes at end of table.
2
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