MIL-PRF-83870C
TABLE II. Performance requirements (cont'd)
M83870-6
M83870-7
M83870-8
M83870-9
M83870-10
Operating fluid temperature range
-65 to 350
-65 to 350
-65 to 350
-65 to 350
-65 to 350
(°F)
Absolute rating (micron)
20
20
20
20
20
Rated flow (gal/min)
10.0
3.0
10.0
6.0
7.5
Efficiency
Add quantity: F-9 beads (g)
0.30
0.30
0.30
0.30
0.30
Contaminant removal by weight
94
94
94
94
94
(percent)
Pressure Buildup and Collapse
Pressure drop (clean element)
10.5
10.5
10.5
10.5
10.5
(psi)
AC dust add increments (g)
0.30
0.30
0.30
0.30
0.30
AC dust minimum weight (g)
3.00
1.10
2.40
1.75
2.40
Element pressure drop (psi)
40
40
40
40
40
Min collapse pressure (psi)
200
200
200
200
200
Flow Fatigue
Hydraulic fluid temperature ( F)
350 ± 5
350 ±5
350± 5
350± 5
350± 5
Flow rate (gal/min)
10.0
3.0
10.0
6.0
7.5
Cycling rate (cpm)
300
300
300
300
300
(a) Number of fatigue cycles
1,125,000
1,125,000
1,125,000
1,125,000
1,125,000
Element pressure drop (psi)
20
20
20
20
20
(b) Number of fatigue cycles
112,000
112,000
112,000
112,000
112,000
Element pressure drop (psi)
50
50
50
50
50
(c) Number of fatigue cycles
12,000
12,000
12,000
12,000
12,000
Element pressure drop (psi)
100
100
100
100
100
(d) Number of fatigue cycles
500
500
500
500
500
Element pressure drop (psi)
200
200
200
200
200
Max Particle Passed (micron)
20
20
20
20
20
Add rate F-9 beads (g)
0.30
0.30
0.30
0.30
0.30
Note: AC dust is standardized fine air cleaner dust.
3.5.2 Filter media. Filter media shall withstand thermal and pressure-flow cycling. In addition, there shall be no filter
element media migration during operation.
3.5.3 Bubble point. The initial bubble point of the filter element shall be determined by testing, in accordance with the
procedures in SAE ARP 901.
3.5.4 Fluid contamination. Filter material shall not be affected by or contaminate MIL-PRF-7808 or MIL-PRF-23699
lubricating oil.
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