MIL-PRF-18953C(SH)
1.2.2 Sizes.
Types A and X-A vaneaxial fans
Types L and X-L tubeaxial fans
Fan Total
Fan Total
PIN
PIN
Fan
Volume
Fan
Volume
Pressure
Pressure
(ft3/min)
(ft3/min)
Code
Code
Size
Size
(inches, wg)
(inches, wg)
00Q1/
00H
¼
250
2.5
½
450
0.75
00H2/
01W
½
660
2.5
1
1,000
0.50
01W3/
02W
1
1,030
2.65
2
1,900
0.58
01H
03W
1½
1,500
3.0
3
2,250
0.70
02W
2
2,000
3.4
02H
2½
2,600
3.4
03W
3
3,200
3.4
03H
3½
3,750
3.5
04H
4½
3,220
7.0
05W
5
4,200
3.75
06W
6
6,300
3.65
07W
7
5,200
7.0
08W
8
7,300
3.3
10W
10
8,500
4.2
11W
11
8,700
5.5
12W
12
10,250
5.0
16W
16
13,200
4.75
17W
17
12,300
6.2
20W
20
18,000
4.85
25W
25
22,000
3.95
28W
28
18,750
6.4
30W
30
25,000
4.2
1/
"Q" denotes the fraction "¼".
2/
"H" denotes the fraction "½".
3/
"W" denotes a whole number.
2
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