MIL-PRF-83867D (USAF)
TABLE I. Pressure drop in assembly.
Flow of Oxygen
Pressure Drop
(LPM)
(Inches of Water)
135
1.7
90
0.80
70
0.50
50
0.32
30
0.10
0
0
3.7.6 Reliability.
The connector shall have a minimum mean time between failures (MTBF) of 600 hours in order
to provide a 16-hour mission reliability of 0.98.
3.7.7 Longevity.
The connector shall have a minimum operating life span of 2,000 hours.
3.7.8 Restraint pin.
The minimum force to separate the restraint pin from the connector shall be 110 pounds.
3.7.9 Odor.
The connector shall have no objectionable odors during operational use.
3.8 Item identification.
The connector shall be permanently marked with the following information:
Connector, Oxygen Mask Hose
Manufacturer's Part Number
Contract Order Number
Manufacturer's Name and/or Federal Supply Code for Manufacturers (FSCM)
3.9 Interchangeability.
All parts having the same manufacturer's part number shall be functionally and dimensionally
interchangeable.
4.
VERIFICATION
4.1 Classification of inspections.
The inspection requirements specified herein are classified as follows:
a. Qualification inspection (see 4.2)
b. Conformance inspection (see 4.3)
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