1、F NIL-C-5521 Lb 7777906 0206984 7 = MIL-C-8552 1 (AS) 5 August 1983 MILITARY SPECIFICATION CONCENTRATOR, OXYGEN, GGU-7/A This specification is approved for use by the Naval Air Systems Command, Department of the Navy, and is available for use by all Depart- ments and Agencies of the Department of De
2、fense. 1. SCOPE 1.1 Scope. This specification covers the requirements for one type of oxygen concentrator which, as part of an on-board oxygen generation system (OBOGS), sepa- rates oxygen from air and provides it as a breathing gas to the aircrew member. 2. APPLICABLE DOCUMENTS 2.1 Government docum
3、ents. 2.1.1 Specifications, standards, and handbooks. Unless otherwise specified, the following specifications, standards, and handbooks of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DoDISS) specified in the solicitation form a part of this spe
4、cification to the extent specified herein. SPECIFICATIONS FEDERAL PPP-B- 6 O 1 PPP-B-62 1 PPP-B-636 PPP-B-640 MILITARY MIL-P-116 DOD-D-1 O00 MIL-E-54 O0 MIL-N-183 07 MIL-S-19500 MIL-G-27 617 - Boxes, Wood, Cleated-Plywood. - Box, Woo,d, Nailed and Lock Corner. - Boxes , Shipping , Fiberboard. - Box,
5、 Fiberboard, Corrugated, Triple-Wall. - Preservation, Methods of. - Drawing, Engineering and Associated List. - Electronic Equipment Airborne, General Specification - Nomenclature and Identification for Electric , Aero- for. nautical, and Aeronautical Support Equipment Including Ground Support Equip
6、ment. - Semiconductor Device, General Specification for. - Grease, Aircraft and Instrument, Fuel and Oxidizer Resistant. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Specifications and Standa
7、rds Department (Code 93), Naval Air Engineering Center, Lakehurst, NJ 08733, by using the self-addressed Standardization Document Improve- ment Proposal (DD Form 1426) appearing at the end of this document or by letter. Engineering - THIS %d Jsk?%Es* .-_I- - FSC 1660 / Y Provided by IHSNot for Resal
8、eNo reproduction or networking permitted without license from IHS-,-,-MIL-C-8552L Lb 3799706 0206985 3 MIL-C-85521 (AS) MIL-M-3851 O MIL-H-4 6855 MIL-C-8 13 02 MIL-T-8 1533 STANDARDS FEDERAL FED-STD-1 O1 MILITARY DOD-STD-100 MIL-STD-105 MIL-STD-129 XIL-STD-130 MIL-STa-143 MIL-STD-2 1 O MIL-STD-454 M
9、IL-STD-4 61 MIL-STD-4 62 MIL-STD-47 O MIL-STD-4 7 1 DOD-STD-48 O MIL-STD-4 8 2 MIL-STD-48 3 MIL-STD-490 MIL-STD-7 04 MIL-STD-7 5 6 MIL-STD-78 1 MIL-STD-785 MIL-STD-7 94 MIL-STD-8 1 O MIL-STD-8 7 5 Microcircuit , General Specification for. Human Engineering Requirements for Military Systems, Equipmen
10、t and Facilities. Cleaning Compound, Solvent, Trichlorotrifluoroethane. 1,1,1 Trichloroethane (Methyl Chloroform), Inhibited, Vapor degreasing. Preservation, Packaging, and Packing Materials, Test Procedures. Engineering Drawing Practices. Sampling Procedures and Tables for Inspection by Attributes.
11、 Marking for Shipment and Storage. Identification Marking of U.S. Nilitary Property. Standards and Specifications, Order of Precedence for the Selection of. Climatic Extremes for Military Equipment. Standard General Requirements for Electronic Equipment. Electromagnet ic Emission and Susceptibility
12、Require- ments for Control of Electromagnetic Interference. Electromagnetic Interference Characteristics, Measure- ment of. Maintainability Program Requirements (for Systems and Equipment). Maintainability Ver if ica t ion/Demonstration/Evaluat ion. Configuration Control - Engineering Changes, Devia
13、tions and Waiver s. Configuration Status Accounting Data Elements and Related Features. Configuration Management Practices for Systems, Equip- ment, Munitions and Computer Programs. Spec if ica t ion Practices. Aircraft Electric Power characteristics. Re1 iability Predict on. Reliability Design Qual
14、ification and Production Ac- ceptance Tests: Exponential Distribution. Reliability Program for Systems and Equipment Develop- ment and Production. Parts and Equipment, Procedures for Packaging and Packing of. Environmental Tests Methods. Type Designation Systems for Aeronautical and Support Equipmen
15、t . 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-882 - MIL-STD-883 - MIL-STD-965 - NIL-STD-1304 - MIL-STD-1472 - MIL-STD-1521 - MIL-STD-1523 - MIL-STD-162 9 - MIL-STD-2084 - MS 9034 1 - HANDBOOKS MILITARY MIL-HDBK-2 17 - MIL-HDBK-3 O4 -
16、MIL-HDBK-4 7 2 - System Safety Program Requirements. Test Methods and Procedures for Microelectronics. Parts Control Program. Reports; Reliability and Maintainability Engineering Data. Human Engineering Design Criteria for Hilitary Systems, Equipment and Facilities. Technical Reviews and Audits for
17、Systems Equipment and Computer Programs. Age Controls of Age-Sensitive Elastomeric Materials. Procedures for Performing a Failure Mode, Effects and Criticality Analysis. Gen era 1 Requirement s for Ma int a ina bil it y of Av ionic s and Electronic Systems and Equipment. Mounting Bracket, Mating Por
18、tion for 5 and 10 Liter Liquid Oxygen Converters. Reliability Predict ion of Electronic Equipment. Package Cushioning Design. Ma inta inability Predict ion. 2.1.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part
19、of this speci- fication to the extent specified herein. DRAWINGS NAVAL AIR SYSTEMS COMMAND 1438AS101 - Concentrator, Oxygen. PUBLICATIONS NAVAL MATERIAL COMMAND NAWT P-9492 - Navy Nanufacturing Screening Program. NAVAL AIR SYSTEMS COMMAND AD-1350 - Engineering Drawings and Associated Data. AS-4 613
20、- Application and Derating Requirement for Electronic SD-24 - General Specification for Design and Construction of Components , General Spec if icat ion for. Aircraft 1Jeapon Systems. (Copies of specif ications, standards, handbooks, drawings and publications required by manufacturers in connection
21、with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer .) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1 MIL-C-85521 Ib - 77777Ob 020b787 2 MIL-C-85521 (AS) , , 2.1.3 Order of
22、 precedence. In the event of a conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence. 3. REQUIREMENTS 3.1. Qu alification. The oxygen concentrators furnished under this specifi- cation shall be products which are qualifi
23、ed for listing on the applicable quali- fied products list at the time set for opening of bids (see 4.3 and 6.3). 3.2 First article. When specified, a sample shall be subjected to first article inspection (see 4.4 and 6.4). 3.3 Selection of specifications and standards. Specifications and standards
24、for necessary commodities and services not specified herein or in the applicable detail specifications shall be selected in accordance with MIL-STD-143. 3.4 Parts, materials and processes. The selection and application of parts, materials and processes shall be in accordance with MIL-E-5400 for Clas
25、s I equip- ment and the a. b. C. d. e. f. 8. h. following : All electrical , electronics and electromechanical parts shall be sub- ject to 100 percent screening. Nonstandard parts and military stand- ard parts without established reliability shall be screened to the re- quirements of the most simila
26、r military standard or standard estab- lished reliability part. All integrated circuits shall be selected in accordance with MIL-M- 38510 and, as a minimum, screened to MIL-STD-883, Methd 5004, Class B. As a minimum, hybrid circuits shall be screened to MIL-STD-883, Method 5008. Semi-conductor devic
27、es shall be selected in accordance with MIL-S- 19500 and, as a minimum, screened to JANTX levels. Passive components shall be selected from established reliability (ER) military specifications. Nonrepairable subassemblies shall be in accordance with MIL-E-5400. To be considered for approval as a non
28、repairable (disposal-on-failure) subassembly, the unit production cost shall be $1,000 or less and the reliability (MTBF) shall be 6,000 flight hours or greater. All nonrepairable parts shall be available from at least two qualified sources. All second source devices and components shall be physical
29、ly and f unct ionally interchangeable. All parts shall be used and derated in accordance with AS-4613 for Class A equipment. All fasteners, including bolts, screws, nuts, rivets, washers, hinges and couplings shall be in accordance with SD-24. , , 4 Provided by IHSNot for ResaleNo reproduction or ne
30、tworking permitted without license from IHS-,-,- MIL-C-85521 1b 99999Ob 020b788 4 W 3.4.1 Modules. The electronic portions of the concentrator shall be function- ally modularized. 3.4.2 Solid-state design. No electron tubes shall be utilized in the design of the concentrator. Semi-conductor transist
31、ors and diodes shall be in accordance with MIL-STD-454, Requirement 30. 3.4.3 Parts control program. The contractor shall establish and implement a parts control program in accordance with MIL-STD-965, Procedure I. 3.4.4 Nonstandard parts and materials approval. Approval for the use of non- standard
32、 parts and materials shall be obtained, as outlined in MIL-E-5400, with the request submitted in accordance with MIL-STD-965. 3.5 Materials. Materials shall conform to referenced specifications and shall be as specified herein and on referenced drawings. by specifications, or which are not specifica
33、lly described herein, shall be of the best quality, of the lightest practicable weight and suitable for the purpose in- tended. Materials which are not covered 3.5.1 Metal parts. or treated in a manner to render them adequately resistant to corrosion. All metal parts shall be of a corrosion resistan
34、t material 3.5.1.1 Dissimilar metals. Unless suitably protected against electrolytic corrosion, dissimilar metals shall not be used in intimate contact with each other, The requirements of NIL-STD-454, Requirement 16 for Class 2 equipment shall apply. 3.5.2 Nonmetallic materials. Any nonmetallic mat
35、erial that is adversely af- fected by continued use with oxygen shall not be used. 3.5.2.1 i.e., same process, materials, construction, design, manufacturers part number, or designation; and meets the requirements of the current issue of the specification. from the Qualified Products List (QPL). -re
36、view, the QPL shall be reprinted to show the date of validation. Failure to provide the certification will be cause for removal After completion of the certification 4.4 First article inspection. First article inspection shall consist of the examinations and tests specified in Table VII. 4.4.1 Sampl
37、es, Unless otherwise specified, as soon as practicable, after the award of the contract or order, the manufacturer shall submit two complete concen- trators. The samples shall be representative of the construction, worhanship, 12 Provided by IHSNot for ResaleNo reproduction or networking permitted w
38、ithout license from IHS-,-,-MIL-C-85521 Lb 9999906 0206796 3 components and materials to be used during production. continuous production of these units from contract to contract, submission of further first article samples on a new contract or whether first article reliabil- ity test is required on
39、 a new contract may be waived at the discretion of the acquiring activity (see 6.2.ld and 6.2.le). Approval of the first article samples or the waiving of the first article inspection does not waive the requirements of submitting to the quality conformance inspection. samples shall be furnished to t
40、he Government as directed by the contracting officer (see 6.2.le). When a manufacturer is in The first article inspection 4.4.1.1 Documentation. Upon completion of the first article inspection, all the applicable inspection reports and when applicable, recommendations and comments pertinent for use
41、in monitoring production shall be made available to the cognizant Government activity (see 6.2.lf and 6.2.2). The concentrators will be returned to the manufacturer for use in monitoring prodcction. 4.5 Quality conformance inspection. Quality conformance inspection shall con- sist of the examination
42、s and tests specified in Table VIII. inspection levels and acceptance criteria shall be as specified in MIL-STD-105. The sampling and 4.5.1 Sampling. 4.5.1.1 Inspection lot. 4.5.1.1.1 Concentrators. An inspection lot size shall be expressed in units of one concentrator made under essentially the sam
43、e conditions and from the same materials and components. The sample unit shall be one concentrator. 4.5.1.1.2 Packaging. An inspection lot size shall be expressed in units of one fully prepared shipping container, containing concentrators, fully prepared for delivery, made from essentially the same
44、materials and components. The sample unit shall be one shipping container, containing concentrators, fully prepared for delivery with the exception that it need not be sealed. 45.1.2 Sampling for tests and examinations of concentrators. The sample size, acceptance criteria, tests and examinations re
45、quired for the concentrators shall be as specified in Table VIII. 4.6 Quality conformance verification inspection. At the option of the Government ment and upon completion of the quality conformance inspection requirements of 4.5, a random sample, one for every 50 or fraction thereof, shall be selec
46、ted from each lot of concentrators. Each concentrator, selected as a sample unit, shall be forwarded to a laboratory designated at the time of award (see 6.2.lf). designated laboratory shall conduct the following tests and examinations: The a. Visual examination b. Sea level test c. Pressure tests d
47、. Voltage variation e. Low temperature/altitude 13 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-85521 16 W 9999906 0206997 5 H The tests may be conducted in any order. lot, represented by the sample units, shall be included with the data acc
48、ompanying the samples to the laboratory. The Government activity responsible for conducting the quality conformance verification program (see 6.2.lg) shall report the results of the tests and examinations to the designated inspection and acceptance activity specified in the acquisition document. Fin
49、al acceptance of the lot from which the sample units were selected shall be based upon successful completion of the in- spection program by the cognizant Quality Assurance Representative/Specialist at the contractors facility; applying the applicable acceptance criteria specified in Table VIII. The serial numbers of the units in the 4.7 Test conditions. Unless otherwise specified, tests shall be conducted at local ambient temperatures and b
