1、MIL-R-24159A(SH) 27 September 1983 SUPERSEDING MIL-R-24159(SHIPS) 11 May 1966 (See 6.5) Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 5523, Department
2、 of the Navy, Washington, DC 20362 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. MILITARY SPECIFICATION . RECEPTACLE, CANISTER, CO2 ABSORBENT This specification is approved for use by the Naval Sea Systems
3、 Command, Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 This specification covers one type of receptacle having a fan mounted integral with a housing to-retain lithium hydroxide canisters used in submarines for absorption
4、of carbon dioxide (COZ). 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. Unless otherwise specified, the following specifications and standards of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DoDISS) specifie
5、d in the solicitation form a part of this specification to the extent specified herein. SPECIFICATIONS FEDERAL J-C-175 - Cable Assembly, Power, Electrical, for 125-Volt, 250-Volt, and 125/250 Volt, 50-60 Hz Equipment. QQ-E-450 - Electrodes, Welding, Covered: Mild Steel. TT-P-664 - Primer, Coating, S
6、ynthetic, Rust-Inhibiting, Lacquer- PPP-B-591 - Boxes, Shipping, Fiberboard, Wood-Cleated. PPP-B-601 - Boxes, Wood, Cleated-Plywood.* PPP-B-621 - Boxes, Wood, Nailed and Lock-Corner. PPP-B-636 - Boxes, Shipping, Fiberboard. PPP-B-640 - Boxes, Fiberboard, Corrugated, Triple-Wall. Resisting. F . FSC 4
7、240 THIS DOCUMENT CONTAINS I PAGES. _ - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILITARY MIL-P-116 MIL-S-901 MIL-E-917 .MIL-S-3950 MIL-F-5504 MIL-L-10547 DOD-P-15328 MIL-M-17059 DOD-P-17545 MIL-C-21004 STANDARDS MILITARY MIL-STD-129 - Preserv
8、ation, Methods of. - Shock Tests, H.1. (High-Impact), Shipboard Machin- ery, Equipment and Systems, Requirements for. - Electric Power Equipment, Basic Requirements for (Naval Shipboard Use). - Switches, Toggle, Environmentally Sealed, General Specification for. - Filters and Filter Elements, Fluid
9、Pressure, Hydraulic Micronic Type. - Liners, Case, and Sheet, Overwrap; Water-Vapor- proof or Waterproof, Flexible. - Primer, (WASH) Pretreatment, (Formula No. 117 for Metals). - Motors, 60 Cycle, Alternating-Current, Fractional HP (Shipboard Use). - Primer Coating, Alkyd-Red Lead Type, Formula No.
10、116 and Formula No. 116A - Canister, Lithium Hydroxide, Screened Ends, Friction Type Covers. - Marking for Shipment and Storage. MIL-STD-167-1 - Mechanical Vibrations of Shipboard Equipment (Type I - Environmental and Type II - Internally Excited) Inspection and Repair for Machinery; Piping and Pres
11、sure Vessels in Ships of the United States Navy MIL-STD-278 - Fabrication Welding Inspection; and Casting (Copies of specifications and standards required by contractors in connec- from the contracting tion with specific acquisition functions should be obtained activity or as directed by the contrac
12、ting officer.) 2.2 Other publications. The following documents form . specification to tKe extent specified herein. NATIONAL MOTOR FREIGHT-TRAFFIC ASSOCIATION, INC., National Motor Freight Classification a part of this AGENT (Application for copies should be addressed to the Nat onal Motor Freight T
13、raffic Association, Inc., ATA TRAFFIC Dept., 1616 “P“ Street, NW, Washington, DC 20036.) UNIFORM CLASSIFICATION COMMITTEE AGENT Uniform Freight Classification Ratings, Rules and Regulations (Application for copies should be addressed to the Uniform Classification Committee Agent, Tariff Publication
14、Officer, Room 1106, 222 South Riverside Plaza, Chicago, IL 60606.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-R-2YL57A Y2 9777706 0232662 5 W MIL-R-24 159A( SH) O d O (Industry association specifications and standards are generally avail
15、able They are also distributed among technical groups for reference from libraries. and using Federal agencies.) 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein, the text of this specifica- tion shall take precedence. 3. REQU
16、IREMENTS 3.1 First article. When specified (see 6.2.1), a sample shall be subjected to first article inepection (see 4.3 and 6.3). 3.2 Materials. Materials forming a.part of the finished product shall be for the purpose intended. The materials shall be free from any defects that might affect the ser
17、viceability or appearance of the finished product. Materials shall be in conformance with the requirements specified herein. Bolts, nuts, studs, screws and other such fastenings or fittings as may be used shall be of a corrosion-resisting material, or of a material treated in a manner to render it r
18、esistant to corrosion. Self-tapping screws with sheet metal threads shall not be used. Gaskets shall be fabricated of a good commercial gasket material and shall be a single piece. cated of 0.032-inch diameter steel wire and galvanized or zinc coated. Materials not specified hereinafter shall be sel
19、ected on the basis of meeting the perform- ance requirements specified herein. Screen material shall be 12 by 12 mesh and fabri- 3.2.1 Recovered materials. Unless otherwise specified herein, all equip- ment, material, and articles incorporated in the products covered by this specification shall be n
20、ew and shall be fabricated using materials produced from recovered materials to the maximum extent practicable without jeopardizing the intended use. The term “recovered materials“ means materials which have been collected or recovered from solid waste and reprocessed to become a source of raw mater
21、ials, as opposed to virgin raw materials. None of the above shall be interpreted to mean that the use of used or rebuilt products is allowed under this specification unless otherwise specifically specified. 3.3 General design. The arrangement and construction of the CO2 absorbent canister receptacle
22、 shall be as shown on figure 1. It shall accommodate five standard lithium hydroxide canisters as specified in MIL-C-21004 and shall incorporate a removable filter assembly. The canisters shall be arranged in a circular configuration and enclosed in a cylindrical casing. with a fan wheel shall be mo
23、unted in the center of the housing and arranged so that air is drawn through the CO2 absorbent canisters and discharged to the atmosphere. The filter core shall have a by-pass valve arranged in such a manner that the filter will collect any loose particles of lithium hydroxide when the canisters are
24、 being installed or replaced. Spring loaded clamps shall be provided to hold the canisters securely in place. between the filter cap and the filter plenum top to prevent air leakage around the filter. Circular screens shall be provided over each of the five openings in the casing plenum. One screen
25、shall be removable for access to the plenum. The receptacle shall be provided with two lifting handles located diametrically opposite and arranged so as not to project beyond the outside periphery of the casing. An electric motor A gasket shall be provided The motor and fan wheel assembly shall be p
26、rovided with removable cover 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-24157A 42 W 7777706 02326b3 7 W MIL-R-24159A( SH) plates for easy access. on the bottom of the casing to prevent chafing. continuously in a maximum of 50 degrees Cel
27、sius (OC) ambient temperatures. The total weight of the receptacle without canisters shall not exceed 100 pounds . Three rubber bumpers or other means shall be provided The receptacle shall operate 3.3.1 Casing. Casings shall be fabricated from No. 16 gage steel, hot- dipped galvanized or electropla
28、ted with zinc and shall be made air tight. 3.3.2 Fan and motor assembly. The assembly shall deliver a minimum of 60 cubic feet per minute with the canisters installed. mounted as to minimize vibration and noise. The fan motor shall be so 3.3.2.1 Motor. The motor shall be in accordance with MIL-M-170
29、59 and shall conform to the following: 3.3.2.2 - Fan. The fan wheel shall be constructed of aluminum and shall achieve the desired air flow as specified herein. 3.3.3 Filter. The filter shall be a hydraulic micronic type, similar to AN Part No. 6236-3 conforming to MIL-F-5504 except tht it need not
30、be subjected to the tests specified in MIL-F-5504. examination, cleaning, or replacement. The filter shall be accessible for 3.3.4 Electrical equipment. The electrical equipment shall conform to MIL-E-917 and as specified herein. 3.3.4.1 Control. A single pole, single throw “on-off“ switch conformin
31、g to MIL-S-3950 shall be provided to start and stop the unit. be mounted in a readily accessible space near the motor assembly housing. A label plate shall be provided to indicate the “on“ and “off“ position of the The switch shall SWi tch 3.3.4.2 Wiring. The wiring between the electrical devices sh
32、all conform to the requirements of MIL-E-917. and a bladed plug, type 1 in accordance with J-C-175 with size 14 conductors. Cable shall be 25 feet, plus or minus 6 inches long. The unit shall be ready for connection to the power source. against moisture, mechanical damage and accidental contact by p
33、ersonnel. The wiring shall be complete with a power cable Electrical terminals shall be protected 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.3.4.3 Terminal strip. A terminal strip with ground shall be-provided and mounted in the unit. 3.4 -
34、Shock. The receptacle assembly shall be capable of passing the high- impact shock test specified in MIL-S-901 (see 4.6.2). 3.5 Welding. The surfaces of all parts to be welded shall be free from rust, scale, paint, grease and other foreign matter. All welding shall be in accordance with MIL-STD-278.
35、3.5.1 Where zinc-coated steel is used for fabricating parts, the metallic zinc shall be removed from all joints and surfaces on which welds are to be deposited and for a distance of 1/2-inch from the expected toes of the welds. In areas where the metallic zinc cannot be removed and it is necessary t
36、o weld- over the zinc-coated surfaces, electrode type 6010 in accordance with QQ-E-450 shall be used. 3.6 Finish. Zinc coated surfaces inkluding welds and areas damaged by shearing, punching, bending, welding, or any other fabricated process, shall receive a thorough wash and a hot phosphate acid tr
37、eatment, or a pretreating coating in accordance with DOD-P-15328, prior to applying one coat of primer conforming to TT-P-664 or DOD-P-17545 and at least two final coats of gray enamel 3.7 Identification and information plates. Each receptacle assembly shall be provided with an identification plate
38、not to exceed 4 by 3 inches. The type if markings for the letters shall be Gothic capitals, and numerals and other characters shall be of similar appearance. The size of letters, numerals and other characters shall be necessary for easy readability. be of the anodized aluminum photographic process t
39、ype. The plate shall 3.7.1 Identification date. The identification plate shall contain the following information: Item name. Air capacity. Current and voltage rating. Federal stock number. Component identification number (CID). Contract number. Manufacturers name and address. Weight 3.7.2 Informatio
40、n plates. Information plates (op shall be provided as shown on figure 1. rating in tructions) 3.8 Drawings. Drawings shall be in accordance with the data ordering document specified in the contract (see 6.2.2). 3.9 Workmanship. Sharp edges, burrs and other imperfections shall be removed from all par
41、ts subject to contact with personnel to prevent cuts during repair and maintenance. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-24L57A 42 7777906 0232665 O I MLL-R-24159A(SH) 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection
42、. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. fied in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the ins
43、pection requirements specified herein, unless disapproved by the Government The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. Except as oth
44、erwise speci- 4.2 Classification of inspections. The inspection requirements spe.cif ied herein are classified-as follows: (a) (b) First article inspection (see 4.3). Quality conformance inspection (see 4.4). 4. 3 First article inspection. Unless otherwise specified (see 6 . 3), first article inspec
45、tion shall be performed on one unit (see 3.1). The inspection shall consist of the examination of 4.5 and the tests of 4.6. 4.4 Quality conformance. Quality conformance inspection shall be selected in accordance with 4.4.2 and shall consist of the examination of 4.5 and thq test of 4.6.1. 4.4.1 - Lo
46、t. Receptacles offered for delivery at one time shall be con- sidered a lot for purposes of quality conformance inspection. 4.4.2 Sampling for examination. A random sample of receptacles shall.be selected from each lot in accordance with table I and shall be subjected to the examination specified in
47、 4.5. TABLE I. SamDlinr! for examination. AQL (approx) 1.5 percent defective Lot size Sample size Number of units Number of units 1 to 6 7 to 15 16 to 25 26 to 40 41 to 65 66 to 110 111 to 180 181 to 300 301 to 500 All 7 10 13 17 22 28 35 45 Acceptance number Rejection number 6 Provided by IHSNot fo
48、r ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-24257A 42 W 77777Ob 0232bbb 2 = _ _ 4.5 Examination. Each sample, selected in accordance with table I, shall be visually examined to determine conformance with this specification. The classification of possible defect
49、s in table II is the minimum that is to be considered in the examination. more defects shall not be offered for delivery and if the number of defective units in any sample exceeds the acceptance number for the sample, this shall be cause for rejection of the lot represented by the sample. Any receptacle in the sample containing one or TABLE II. Classification of defects. t Categories Critical: Major : 101 102 103 104 105 106 107 108 109 4.6
