1、MIL-S-955D 45 9 999990b 0208892 I = I INCH-POUND I MIL-S-955D(SH) 17 February 1988 SUPERSEDING MIL-S-955C(SHIPS) 11 November 1964 (See 6.6) MILITARY SPECIFICATION SHOWER HEADS AND OUTFITS (SHIPBOLD USE) This specification is approved for use within the Naval Sea Systems Command, Department of the Na
2、vy, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers shower heads and outfits for shipboard use. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and
3、standards form a part of this specification to the extent specified herein. tlnless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation. SPE
4、CIFICATIONS FEDERAL L-P-37 5 - Plastic Film, Flexible, Vinyl Chloride. QQ-B-637 - Brass, Naval: Rod, Wire, Shapes, Forgings, and Flat Products with Finished Edges (Bar, Flat Wire and Strip). QQ-C-320 - Chromium Plating (Electrodeposited). QQ-N-290 - Nickel Plating (Electrodeposited). Beneficial comm
5、ents (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 of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardization Document Improvemen
6、t Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC NIA FSC 4510 DISTRIBUTION STATEMENT A Approved for public release; distribution unlimited Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-S-955D Y5 9 7799906 0208
7、893 3 MIL-S-955D( SH) SPECIFICATIONS FEDERAL WW-P-35 1 PPP-B-566 PPP-B-576 P PP-B -5 8 5 PPP-B-59 1 PPP-B-601 PPP-B-621 PPP-B-636 PPP-B-640 PPP-B-665 PPP-B-676 MILITARY MIL-P-116 MIL-F-1183 MIL-G-16491 MIL-T-24107 STANDARDS MILITARY MIL-STD-105 MIL-STD-129 FEDERAL FED-STD-H28 - Pipe; Red Brass, (Cop
8、per Alloy No. 230), Seamless - Boxes, Folding, Paperboard. - Boxes, Wood, Cleated, Veneer, Paper Overlaid. - Boxes, Wood, Wirebound. - Boxes, Shipping, Fiberboard, Wood-Cleated. - Boxes, Wood, Cleated-Plywood. - Boxes, Wood, Nailed and Lock-Corner. - Boxes, Shipping, Fiberboard. - Boxes, Fiberboard,
9、 Corrugated, Triple-Wall. - Boxes: - Boxes, Set-up. Standard Pipe Size, Regular and Extra-Strong. Paperboard, Metal Edged and Components. - Preservation, Methods Of. - Fittings, Pipe, Cast Bronze, Silver-Brazing. - Grommet, Metallic. - Tube, Copper (Seamless) (Copper Nos. 102, 103, 108, 120, 122, an
10、d 142). - Sampling Procedures and Tables for Inspection by - Marking for Shipment and Storage. At t r i but e s. - Screw-Thread Standards for Federal Services. (Copies of specifications and standards required by contractors in connec- tion with specific acquisition functions should be obtained from
11、the contracting activity or as directed by the contracting activity.) 2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise specifed, the iisues of the documents whichare DoD adopted shall be those listed in the issue of th
12、e DoDISS specified in the solicitation. issues of documents not listed in the DoDISS shall be the issue of the nongovern- ment documents which is current on the date of the solicitation. Unless otherwise specifed, the AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) B 61 B 62 B 568 - Standard Speci
13、fication for Steam or Valve Bronze - Standard Specification for Composition Bronze or Ounce - Standard Test Method for Rate of Burning and/or Extent Castings. (DoD adopted) Metal Castings. (DoD adopted) and Time of Burning of Flexible Plastics in a Vertical Position. (DoD adopted) Materials (PA). (D
14、oD adopted) B 4066 - Standard Specification for Nylon Injection and Extrusion 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-755D Y5 799770b 0208874 5 (Application for copies should be addressed to the American Society for Testing and Materi
15、als, 1916 Race Street, Philadelphia, PA 19103- (Nongovernment standards and other publications are normally available from the organizations which prepare or distribute the documents. documents also may be available in or through libraries or other informaeional services.) These 2.3 Order of precede
16、nce. In the event of a conflict between the text of this specification and the references cited herein (except for associated detail specifications, specification sheets or MS standards), the text of this speci- fication shall take precedence. Nothing in this specification, however, shall supersede
17、applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3 . 1 Materials . 3.1.1 Piping. Piping shall conform to WW-P-351. 3.1.2 Tubing. Tubing shall conform to MIL-T-24107. 3.1.3 Castings. Castings shall be in accordance with the chemical require- ments of ASTM
18、 B 61 or ASTM B 62, as applicable. 3.1.4 Forgings. Forged parts shall be of Naval brass conforming to the chemical requirements of QQ-B-637. 3.1.5 Threads. Threads for threaded parts shall conform to the applicable requirements of FED-STD-H28. 3.1.6 Recovered materials. Unless otherwise specified he
19、rein, all equip- ment, material, and articles incorporated in the products covered by this speci- fication shall be new and may be fabricated using materials produced from recovered materials to the maximum extent practicable without jeopardizing the intended use. The term “recovered materials“ mean
20、s materials which have been collected or recovered from solid waste and reprocessed to become a source of raw materials, as opposed to virgin raw materials. None of the above shall be inter- preted to mean that the use of used or rebuilt products is allowed under this specification unless otherwise
21、specifically specified. 3.2 Shower outfits. Shower outfits shall be as shown on figure 1 and shall consist of the following parts: (a) Shower head. (b) Exposed risers and supply pipes. (c) Bulkhead supports. (d) Compression valves. (e) Tees and elbows. Provided by IHSNot for ResaleNo reproduction or
22、 networking permitted without license from IHS-,-,-MIL-S-955D 95 m 999990b 0208895 7 (f) Mixing valve (if used). (g) Curtain. (h) Curtain rings. (i) Curtain rod. (j) Hold-back hook and chain. l. h N.c.3. SH c i“,“, - 6868 FIGURE 1. Shower outfits. 3.3 Shower heads. 3.3.1 Material. The shower head sh
23、all be made of cast, forged, or tubular brass, nickel chrome plated; or of plastic composition in accordance with ASTM B 4066. 3.3.2 Construction. The shower head shall be not more than 2-1/2 inches in diameter. notched face plate or other suitable design. not less than 1/8 inch thick, and shall hav
24、e external lugs, or knurled or slotted knob, or lever handle with shaft assembled through the body to permit adjustment and partial removal of face plate for cleaning. Means shall be provided to limit the movement of the stud to prevent the removal of the face plate. The waterways designed to separa
25、te the spray into numerous individual streams shall consist of not less than 24 grooves machined in either the edge of the face plate or plates or the inner wall in way of the adjustable face plate. have a ball-joint 1/2 inch nominal pipe size (nps) threaded inlet connection to the supply pipe or tu
26、bing. Where springs are used and exposed to water they shall be made of phosphor bronze or other corrosion-resisting material. Shower heads which differ in details of construction from that specified shall be approved by the Command or agency concerned. The water pattern may be obtained by aspiratio
27、n or by drilled and Face plates, if used, shall be The shower heads shall i 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-755D r5 9799906 0207b 9 3.3.3 Performance. Shower heads give an even conical spray pattern having approximately a 1-1/
28、2 to 2-foot spread in a 6-foot vertical drop under flow conditions specified in 3.3.4. 3.3.4 Flow control fitting. Each shower head shall be provided with a flow control fitting integral with the head. The fitting shall be constructed in such a way as to prevent falling out or being inserted imprope
29、rly during installation, or causing interference with the threaded connection to the supply pipe. The flow control fitting shall consist of a diaphragm or disc which will automatically change the size of the inlet opening and maintain a constant flow of 1.7 + 0.6 gallons per minute (gal/rnin) with g
30、auge pressures varying between 15 and 100 pounds per square inch (lb/in2) and temperatures between 80 and 120 degrees Fahrenheit (OF) at the fitting inlet. The inlet connection shall have installed over the flow control fitting a piece of approx- imately 16 mesh stainless steel or brass screen perma
31、nently attached that shall protect the orifice from foreign object plugging, tampering, or removal. 3.4 Piping. nickel chrome plated. The supply piping shall be 1/2 inch nps brass pipe or tubing, The lengths shall be as specified (see 6.2). 3.5 Fittings. Pipe fittings shall be of brass conforming to
32、 MIL-F-1183, nickel chrome plated. The kinds and type shall be as specified (see 6.2). 3.6 Valves. Valves shall be of brass, nickel chrome plated, with 1/2 nps silver brazing union ends. Compression valves shall be of heavy pattern, suit- able for 100 pounds working pressure, with raised metal seat
33、and removable composition disk, suitable for hot and cold water. Valve stems shall have suitable packing and cross type indexed handle. 3.7 Hand mixing valves. When specified in the contact or order, hand mixing valves shall be supplied. They shall be of brass, heavy pattern and of the compression t
34、ype. The valves shall deliver not less than 6 gallons of cold, hot, or tempered water per minute, through a pressure range of 50 to 25 lb/in2. Mixing valves shall have replaceable seats or valve units. Mixing valves shall admit cold water first. union ends. External surfaces shall be heavily nickel
35、chrome plated. Mixing valves shall be of a type satisfactory to the Command or agency concerned. The valves shall have 1/2 inch silver brazing 3.8 Bulkhead supports. Bulkhead pipe supports shall be of brass, nickel chrome plated. 3.9 Curtain. Showers shall be provided with a curtain of vinyl plastic
36、 film, 0.008 + 0.0008-inch thick, type I, class 1 in accordance with L-P-375. The contractor shall certify in writing that the plastic sheet furnished is a product which is self-extinguishing as determined by ASTM D 568. Such certifi- cation shall include actual test, inspection or other verifiable
37、quality data satisfactory to the Command or agency concerned. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-955D 45 999990b 0208877 O HIL-S-955D( SH) 3.9.1 Curtain dimensions. The sides and bottom of the curtain shall have a l-inch heat seale
38、d hem. The top heading shall be reinforced with an 0.020 + 0.008-inch thick vinyl strip and shall have a 1-3/4 - + 1/4-inch heat sealed hei. Unless otherwise specified in the contract or order, the curtains shall be 72 inches long. Curtain widths shall be suitable for the curtain rod or rail (see 3.
39、11). Curtains shall have the top edge fitted with nickel chrome finish grommets. Grommets shall be type III with spur washer number 2, class 1, conforming to MIL-G-16491 and shall be spaced on 6-inch centers. 3.10 Curtain hooks or rings. Curtain hooks or rings shall be 0.080 inch in diameter (No. 12
40、 AWG) brass wire, nickel chrome plated as shown on figure 2. NICRCL CHROME PLATED SH 667 FIGURE 2. Curtain hooks or rings. 3.11 Curtain rod or rail. The curtain rod or rail shall be one-piece or sectional, and of a length to accommodate the installation as specified (see 6.2). wall thickness not les
41、s than 0.045 inch. The tubing shall be in accordance with the chemical requirements of MIL-T-24107. Mounting flanges of cast, forged, or wrought brass, nickel chrome plated, suitable for attachment to bulkhead or stanchion, shall be provided as specified (see 6.2). The rod shall be of l-inch diamete
42、r nickel chrome plated tubing having a 3.12 Hold-back hook and chain. Showers shall be provided with a nickel- chrome plated hold-back hook and chain that shall hold the curtain in folded position when not in use. 3.13 Plating. Except as otherwise specified herein, plating shall be applied as requir
43、ed to surfaces normally visible including exposed bolts, nuts and screws. Minimum thickness of plating shall conform to grade C of QQ-N-290 and class 1, type I of QQ-C-320. 3.14 Workmanship. The workmanship shall be first class in every respect. The shower assembly components shall be free from any
44、defects or blemishes that may affect their appearance or serviceability. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order,
45、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 of any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the
46、 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. I Except as otherwise speci- 4.1.1 Responsibility for compliance. All items
47、must meet all requirements of sections 3 and 5. The inspection set forth in this specification shall become a part of the contractors overall inspection system or quality program. The absence of any inspection requirements in the specification shall not relieve the contractor of the responsibility o
48、f assuring that all products or supplies submitted to the Government for acceptance comply with all requirements of the contract. known defective material, either indicated or actual, not does it commit the Government to acceptance of defective material. Sampling in quality conformance does not auth
49、orize submission of 4.2 Quality conformance inspection. I 4.2.1 - Lot. All shower heads or outfits offered for delivery at one time shall be considered a lot for purposes of inspection. All outfits shall consist of items which have come from the same source. 4.2.2 Sampling. 4.2.2.1 Sampling for examination. A random sample of shower heads or out- fits shall be selected from each lot in accordance with inspection level I of MIL-STD-105. The acceptable quality level
