1、INCH-POUNDMIL-D-19326H31 August 1990MIL-D-19326G1 October 1985MILITARY SPECIFICATIONDESIGN AND INSTALLATION OF LIQUID OXYGEN SYSTEMSIN AIRCRAFT, GENERAL SPECIFICATION FORThis specification is approved for use by all Departmentsand Agencies of the Department of Defense.1. SCOPE1.1 Scope. This specifi
2、cation covers, the general requirements for the designand installation of liquid oxygen (70 and 300 pounds per square inch gauge) (psig)(483kPa and 2068 kPa) systems in aircraft.2. APPLICABLE DOCUMENTS2.1 Government documents.* 2.1.1 Specification and standards. The following specifications and stan
3、dardsform a part of this specification to the extent specified herein. Unless otherwisespecified, the issues of these documents are those listed in the issue of theDepartment of Defense Index of specifications and Standards (DoDISS and supplementthereto, cited in the solicitation (see 6.2b).SPECIFIC
4、ATIONSMILITARYMIL-B-5087 - Bonding, Electrical, and Lighting Protection,For Aerospace SystemsMIL-H-5088 - Wiring, Aerospace VehicleBeneficial comments (recommendations, additions, deletions and any pertinent datawhich may be of use in improving this document should be addressed to: SystemsEngineerin
5、g and Standardization Department (Code 53) Naval Air Engineering Center,Lakehurst, NJ 08733-5100, by using the self-addressed Standardization DocumentImprovement Proposal (DD Form 1426) appearing at the end of this document or by1 letter.AMSC N/A FSC 1660DISTRIBUTION STATEMENT A: Approved for public
6、 release; distribution is unlimited.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-19326HMIL-E-5400 Electronic Equipment, Aerospace, GeneralSpecification ForValve, Check, Aircraft Low-Pressure OxygenSystemsTubing, Steel, Corrosion-Resistant, (
7、304),Annealed, Seamless and WeldedSwitch, Push, 10 Amperes and Low Level,DusttightValves, Oxygen, Pressure Relief, AircraftConverter, Liquid Oxygen, 5 Liter, MBA-5AConverter, Liquid Oxygen, 10 Liter, GCU-24/AHose Assemblies, Metal, Liquid OxygenAircrew Environmental, Escape and SurvivalCockpit Capsu
8、le System, General SpecificationForRegulators, Oxygen, Diluter-Demand, AutomaticPressure-BreathingValve, Check, For 300 PSI Liquid OxygenConverter System, Type MH-1Connector, Electrical, Miniature, EnvironmentResistant Type, General Specification ForLeak Detection Compound, Oxygen SystemsIndicator,
9、Liquid Oxygen Quantity,Capacitance Type, General Specification ForConverter, Liquid Oxygen, Capacitance TypeGauging, General Specification ForValve, Liquid Oxygen DrainTrailer, Compressed Gas Cylinder, AF-M32R-3,High Pressure, 2 Wheel 6 Cylinder CapacityDummy Converter, Liquid Oxygen IndicatorSystem
10、, 10 Liter, CRU-23/ADummy Converter, Liquid Oxygen IndicatorSystem, 25 Liter, CRU-24/AHose Assembly, Non-metallic Tetrafluoroethy-lene, OxygenOxygen, Aviators Breathing, Liquid and GasOxygen System, Survival Container and OxygenKit, General Specification ForGrease, Aircraft and Instrument, Fuel andO
11、xidizer ResistantTape, Antiseize, Tetrafluoroethylene, WithDispenserTank, Mobile Storage, Liquid oxygen, TMU-27/MSurvival Kit Container, Aircraft Seat, WithOxygen, General Specification ForIndicator, Liquid Oxygen QuantityIndicator Repeaters, Liquid Oxygen QuantityRegulator, Chest Mounted, 100 Perce
12、nt Oxygen,Positive Pressure, CRU-79/PMIL-V-7908MIL-T-8506MIL-S-8805/3MIL-V-9050MIL-C-19328MIL-C-19803MIL-H-22343MIL-A-23121MIL-R-25410MIL-V-25513MIL-C-25516MIL-L-25567MIL-I-25645MIL-C-25666MIL-V-25962MIL-T-26069MIL-D-26392MIL-D-26393MIL-H-26626MIL-O-27210MIL-O-27335MIL-G-27617MIL-T-27730MIL-T-38170M
13、IL-S-81018MIL-I-81387MIL-I-81388MIL-R-81553Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-19326HMIL-H-81581/5MIL-R-83178MIL-E-87235MIL-H-87961STANDARDSMILITARYMIL-STD-17BDOD-STD-100MIL-STD-203MIL-STD-889MIL-STD-970MIL-STD-1247MIL-STD-1359MS220
14、32MS22055MS22059MS22061MS22062MS22068MS24548MS27599MS33583MS33584MS33611MS33656MS33739MS90341MS90457Hose Assemblies, Breathing Oxygen, LowPressure, Connector to RegulatorRegulator, Oxygen, Diluter-demand, Automatic-pressure-breathing, General Specification forEmergency Escape, AircraftNose and Hose
15、Assemblies, Air Duct, AirBreathing, Oxygen Systems, General Specifica-tion forMechanical Symbols for Aeronautical andSpacecraft UseEngineering Drawing PracticesAircrew Station Controls and Displays ForFixed Wing AircraftDissimilar MetalsStandards and Specifications, Order ofPrecedence for the Select
16、ion ofMarking, Functions and Hazard Designations ofHose, Pipe, and Tube Lines for Aircraft,Missile and Space SystemsCleaning Methods and Procedures forBreathing Oxygen EquipmentRecharger Assembly, Portable OxygenHose Assemblies, Oxygen-Breathing Connectorto RegulatorOxygen System, Portable, 295 Cu.
17、In., HighPressure, AircraftOxygen System, Portable, 96 Cu. In., HighPressure, AircraftRegulator, Oxygen, Diluter Demand, Automatic,Pressure BreathingCoupling Assemblies, Quick Disconnect,Aircraft Liquid Oxygen SystemsHose Assembly, Tetrafluroethylene, Oxygen.Regulator, Oxygen, Diluter DemandTubing E
18、nd, Double Flare, Standard DimensionsForTubing End, Standard Dimensions For FlaredTube Bend RadiiFitting End, Standard Dimensions For FlaredTube Connection and Gasket SealAircraft Markings, Servicing, andPrecautioningMounting Bracket Configuration, MatingPortion for 5 and 10 Liter Liquid OxygenConve
19、rterHose Assembly, Metal, Liquid OxygenProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-19326HAIR FORCE-NAVY AERONAUTICALAN929 Cap Assembly, Tube, Pressure SealAND1O1O4 Tubing, Steel, Corrosion-Resistant, Round;Standard Dimensions For(Unless oth
20、erwise indicated, copies of federal and military specifications,standards, and handbooks are available from the Standardization Documentsorder Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.)* 2.1.2 Other Government documents,drawings, and publications. The followingether Governm
21、ent documents, drawings, and publications form part of thisspecification to the extent specified herein. Unless otherwise specified, theissues shall be those in effect on the date of the solicitation.DRAWINGSAIR FORCE44A25450 - Sleeve, Oxygen Coupling44B24627 - Bracket Assembly, Portable Oxygen Cyli
22、nder46A16236 - Clip, Recharger Low Pressure Oxygen System53C3794 Cylinder and Regulator, Breathing Oxygen,Portable53D3970 Mask-Cylinder-Regulator, Oxygen, Portable,Aircraft, Firefighters60D3570 Cylinder and Regulator, Breathing Oxygen,Portable A/U26S-3, Assembly of(Copies of drawings required by con
23、tractors in connection with specificacquisition functions should be obtained from the contracting activity or asdirected by the contracting officer.)2.2 Non-Government publications. The following document forms a part of thisdocument to the extent specified herein. Unless otherwise specified. the is
24、suesof the documents which are DoD adopted are those listed in the issue-of the DoOISSspecified in the solicitation. Unless otherwise specified, the issues of documentsnot listed in the DoDISS are the issues of the documents cited in the solicitation(see 6.2b).SOCIETY OF AUTOMOTIVE ENGINEERSAMS 4071
25、 Aluminum Alloy Tubing, Hydraulic, Seamless,Drawn, Round 2-5Mg-O.25 Cr (5052-0) AnnealedApplications for copies should be addressed to the Society of AutomotiveEngineers, Inc., 400 Commonwealth Drive, Warrendale, PA 15096.(Nongovernment standards and other publications are normally available from th
26、eorganizations which prepare or which distribute the documents. These documentsalso may be available in or through libraries or other informational services.)4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-19326H2.3 Order or precedence. In the
27、 event of a conflict between the text of thisdocument and the references cited herein (except for related associated detailspecifications, specification sheets or MS standards), the text of this documentshall take precedence. Nothing in this document, however, shall supersedeapplicable laws and regu
28、lations unless a specific exemption has been obtained.3. REQUIREMENTS3.1 Selection of specifications and standards. Specifications and standardsfor necessary commodities and services not specified herein shall be selected inaccordance with MIL-STD-970.* 3.2 Design. The installation of an aircraft li
29、quid oxygen system shallcomprise, as required, liquid oxygen converters, tubing, fittings, filler valves,build-up and vent valves, relief valves, check valves, quantity gauges,regulators, portable units, adapters, mask to regulator hoses, brackets, shut-offvalves, and all other necessary items speci
30、fied herein and required for a completeinstallation. For permanently installed converters, the filler valve shall belocated such that filling from a portable servicing trailer can be easilyaccomplished by servicing personnel standing on the ground outside of theaircraft. Removable converters shall b
31、e capable of being removed and replaced inthe aircraft within a 5 minute time period. Sufficient access shall also beprovided for the removable converters to permit filling of the converter byconventional means when they are installed in the aircraft. Components of theoxygen system shall not be inst
32、alled where they will be subjected to temperaturesin excess of that specified in the individual component specifications, and nopart of the system shall be installed in an area which will be subjected to atemperature in excess of 260 F 126.6 C).3.3 oxygen systems.* 3.3.1 Systems utilizing oxygen del
33、ivery equipment. Aircraft having flightceilings over 10,000 feet (3,048 meters shall have oxygen supply and thenecessary delivery and personal equipment to support the physiological needs ofall aircraft occupants.3.3.1.1 Fighter and attack aircraft supply. These aircraft shall have anoxygen system o
34、f sufficient capacity to supply the entire crew for the totalduration of any specified design mission. The oxygen supply system shall be sizedto ensure mission completion in the event of loss of cabin pressure enroute to orat the combat zone. If applicable, the oxygen system shall be sized to includ
35、erange extension due to auxiliary fuel stores and/or aerial refueling.3.3.1.2 Bomber aircraft supply. Bomber aircraft shall have an oxygen systemof sufficient capacity to supply breathing oxygen to the entire crew for 75percent of the duration of the longest specified design mission, or to the entir
36、ecrew for the total time the cabin altitude is above 8,000 feet (2,438 meters),whichever condition establishes the larger amount. The oxygen supply system shallbe sized to ensure mission completion in the even of loss of cabin pressureenroute to or at the target. If applicable, the oxygen system sha
37、ll be sized toinclude range extension due to auxiliary fuel stores and/or aerial refueling.5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-19326H3.3.1.3 Transport aircraft supply. Transport aircraft shall have an oxygensystem of sufficient cap
38、acity to supply all of the primary crewmembers and all ofthe passengers with breathing oxygen whenever the cabin altitude exceeds 10,000feet (3,048 meters). In the event of loss of cabin pressure, the oxygen systemshall provide the full primary aircrew with breathing oxygen for at least 50percent of
39、 the design mission duration. The passenger oxgen supply shall bedispensed from a continuous flow system and shall have sufficient capacity toprovide breathing oxygen to a full passenger load for 50 percent of the designmission duration or for a shorter period if so specified by the acquiringactivit
40、y, but in no case for less than 15 minutes. When therapeutic oxygencapability is specified, a supplemental quantity shall be included within thepassenger oxygen supply. Therapeutic oxygen usage shall be independent frompassenger oxygen usage and the quantity shall be adequate for 100 percent of thed
41、esign mission plus two hours to allow for patient loading and unloading.* 3.3.1.4 Mission specialist and training aircraft supply. Mission specialistand training aircraft shall have an oxygen system of sufficient capacity to supplythe entire flight crew, mission specialists,- trainees, and any passe
42、ngers (if)applicable) with breathing oxygen whenever the cabin altitude exceeds10,000 feet (3,048 meters). The flight crew and mission specialists may needadditional oxygen supply for extended flight at higher altitudes to continue themission, inflight refueling, and night flight. The oxgen system s
43、hall supportall aircraft occupants during repressurization at cabin altitudes and durations asspecified by the acquisition activity.* 3.3.1.5 Systems utilizing demand and pressure demand breathing equipment.Aircraft having flight ceilings over 10,000 feet 3.048 meters), but not overapproximately 35,
44、000 feet (7,620 meters) of altitude and the capability ofdescending immediately to 10,000 feet (3.048 meters) or below following adecompression, shall use demand breathing equipment. USAF equipment shallincorporate air dilution where possible. Aircraft having flight ceeilings over35,000 feet (7,620
45、meters) of altitude and the capability of descendingimmediately to 10,000 feet (3,048 meters) or below following a decompression,shall use pressure demand breathing equipment. The appropriate pressure breathingschedule shall be incorporated as necessary to provide altitude protection. Thecrew statio
46、n equipment shall support the use of pressure breathing or pressuredemand oxygen masks, regulators, hoses and any other equipment as necessary tosupport this capability.* 3.3.1.6 High altitude aircraft supply. Aircraft having a sustained flightcapability above 50,000 feet (15,240 meters), or the req
47、uirement to remain above42,000 feet (12,081 meters) for a period over 5 minutes, but not equipped withemergency pressurization capsule provisions, shall be provided with an installedoxygen system designed to support high altitude pressure suits and helmets, orpressure breathing masks and counter pre
48、ssure garments, as appropriate. Thequantity shall be adequate to provide for 93-100 percent oxygen for the entiremission, including, if appropriate, a period of oxygen breathing at ground levelprior to flight. In addition, provisions shall be made for the use of pressurebreathing masks and counter p
49、ressure garments during flight operations ifemergency descent is possible. If emergency descent is not possible for therequired mission, then a full pressure suit capability shall be provided.6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-19326H* 3.3.1.7 Systems utilizing capsules. The pressurization requirements and theoxygen requirements shall be as specified in MIL-E-87235 or MIL-A-23121, asapplicable. Th
