1、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-M-ZlOA 49-k 77777Ob 0257077 Li MIL-M- 82 180A (MC) SPECIFICATIONS FEDERAL W-C-440 W-R-550 QQ-S-781 hfifil-A- 12 2 PPP-B-601 PPP-B-621 PPP-B-636 PPP-P-40 MILITARY MIL-P- 116 MIL-P-514 MIL-T- 704 MIL
2、-A-8625 MIL-E- 52 798 STANDARDS MILITARY MIL-STD- 105 MIL-STD-129 . MIL-STD-130 MIL-STD-1188 - Clips, Electrical, General Specifica- - Rod, Ground (With Attachments). - Strapping, Steel, and Seals. - Adhesive, Butadiene, Acrylonitrile - Boxes, Wood, Cleated-Plywood. - Boxes, Wood, Nailed and Lock-Co
3、rner. - Boxes, Shipping, Fiberboard. - Packaging and Packing of Hand Tools. tion for. Base, Medium Solids, General Purpose. - Preservation-Packaging, Methods of. - Plates, Identification, Instruction - Treatment and Painting of Materiel. - Anodic Coatings, for Aluminum and - Enamel, Alkyd, Camouflag
4、e. and Marking, Blank. Aluminum Alloys. - Sampling Procedures and Tables for Inspection by Attributes. - Marking for Shipment and Storage. - Identification Marking of U.S. Military Property. - Comercial Packaging of Supplies and Equipment. DRAWINGS U.S. MARINE CORPS DL77C5208A0025 - Meter Assembly,
5、2-Inch. RL77C5208A0035 - Meter Assembly, 3-Inch. (Copies of specifications, standards, and drawings required by contrac- tors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) 2 Provided by IHSNot for ResaleNo
6、 reproduction or networking permitted without license from IHS-,-,-3.1 First article. When specified (see 6.2.1), the contractor shall furnish sample unit(s) for first article inspection and approval (see 4.4 and 6.3). 3.2 Material. Material shall be as specified herein and as shown on the drawings.
7、 Material not specified shall be selected by the contractor and shall be subject to all provisions of this specification (see 6.4). 3.3 Design and construction. The meter assemblies shall be in accord- ance with Data List DL77C5208A0025 for 2-inch and Data List DL77C5208A- 0035 for 3-inch and as Spe
8、cified herein. drawings and no deviation from the prescribed dimensions or tolerances is permissible without prior approval of the contracting officer. tolerances could cumulatively result in incorrect fits, the contractor shall provide tolerances within those prescribed on the drawings to in- sure
9、correct fit, assembly, and operation of the meter assemblies. Any data (e.g., shop drawings, layouts, flow sheets, processing proce- dures, etc.) prepared by the contractor or obtained from a vendor to support fabrication and manufacture of the production item shall be made available, upon request,
10、for inspection by the contracting officer or his designated representative. These drawings are end product Where Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-82180A (MC) 3.3.1 Ground rod. Bach 3-inch meter assembly shall be furnished with a
11、ground rod conforming to W-R-550, Type III, Class B, 5/8 inch in diam- eter except that, three 2-foot plus or minus l/i-inch long sections, three couplings, and one driving stud shall be furnished in lieu of the specified 3-foot sections, clamps, ground cable, and ground terminal. 3.3.2 Ground wire
12、assembly, Each 3-inch meter assembly shall be pro- vided with a ground wire assembly conforming to Figure l. 3.3.3 Interchangeability. All parts having the same part number shall Interchangeable parts be functionally and dimensionally interchangeable. are defined as two or more like parts possessing
13、 such functional and physical characteristics as to be equivalent in performance and durability, and capable of being exchanged one for the other without alteration of the parts themselves or of adjoining parts, except for adjustment, and without selection for fit or performance. 3.3.4 Castings and
14、forgings. Cast and forged components of the meter assemblies shall be sound and free from gas holes, hard spots, porosity, and cracks. Castings shall not be repaired, plugged, impregnated, brazed, or burned. All fins and roughness shall be removed. 3.3.5 Metal fabrication, Metal used in the fabricat
15、ion of the meter assemblies shall be free from kinks, ripples, and sharp bends. The straightening of material shall be done by methods that will not cause damage to the material. be used for aluminum. Sheared, chipped, and sawed edges shall be free from burrs and slivers. insure uniformity of size a
16、nd shape. overheating, and heated metal shall be allowed to cool slowly. holes shall be accurately formed and have burrs removed. faces shall be free from sharp edges and corners except where sharp edges or corners are required or where they are not detrimental to safety. Methods of cutting that uti
17、lize heat shall not All bends shall be made by controlled means to Precautions shall be taken to avoid Bolt External sur- 3.3.6 Threaded connections and fasteners. All threaded connections and fasteners shall show no evidence of cross threading, mutilation, or detrimental or hazardous burrs, with nu
18、ts shall be such that the exposed portion is a minimum of two tlireads. length. ative movement possible between the attached parts. The length of screws and bolts installed Maximum lengths shall be limited by the nearest standard screw All threaded fasteners shall be tight and there shall be no rel-
19、 3.3.7 Cleaning. The meter assemblies shall be cleaned and dried of a11 cutting oil, grease, residue of tests, dirt, metal chips, and other extraneous material in accordance with MIL-P-116. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_ 3.6.2 In
20、struction plate. Unless otherwise specified (see 6.2.1), each meter assembly shall.be equipped with an instruction plate conforming to - - MIL-P-514, type III, composition C, of type optional,-grade B, class-1 material. any special or important procedures tu be followed in assembling, operat- ing, o
21、r servicing the meter assembly. ing, “NO SMOKING WTTHIN 50 FEET.“ meter assembly by adhesive, screws, rivets, or bolts in a place where the plate will be visible and legible, but will not interfere with the opera- tion and maintenance of.the assembly. 3.7 Workmanship. All parts, components, and asse
22、mblies of the meter The plate shall include all warnings and cautions describing The plate shall include the warn- The plate shall be attached to the Adhesive shall conform to W-A-122. J assemblies shall be free from extraneous material such as sand, dirt, pits, sprues, scale, flux, grease, or oils
23、that would render the meter assemblies unsuitable for their intended use, All parts, components, and assemblies of the meter assemblies shall be free from misalinement, in- complete welds, leaks, or other defects that could impair the operation . and safety of the meter assemblies. . 4. QUALITY ASSU
24、RANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract, the contractor is responsible for the performance of all Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-82180A (MC) inspection requirements as spec
25、ified herein. Except as otherwise speci- fied in the contract, the contractor may use his own or any other facil- ities suitable for the performance of the inspection requirements speci- fied herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspec
26、tions set forth in the specification where such inspections are deemed necessary to assure sup- plies and services conform to prescribed requirements. 4.2 Classification of inspection. The inspection requirements speci- fied herein are classified as follows: a. b. ci Quality conformance inspection (
27、see 4.5). d. Packaging inspection (see 4.7). Component and .material inspection (see 4.3). First article inspection (see 4.4). 4.3 Component and material inspection. Components and materials used in the manufacturing, testing, and packaging of the meter assemblies shall be inspected in accordance wi
28、th the applicable referenced documents. Nonconformance to the applicable referenced documents shall be cause for rejection,. 4.4 First article inspection. 4.4.1 Examination. The first article shall be examined as specified in 4.6.1. Presence of. one or more defects shall be cause for rejection. 4.4.
29、2 - Tests. The first article shall be tested as specified in 4.6.2, Failure of any test shall be cause for rejection. 4.5 Qua lity conformance inspection. 4.5.1 Sampling. Sampling shall be in accordance with MIL-STD-105. 4.5.2 Examination. Samples selected in accordance with 4.5.1 shall be examined
30、as specified in 4.6.1. 1.5 percent defective for major defects and 4.0 percent defective for minor defects. Acceptable quality level (AQL) shall be 4.5.3 Tests. 4.5.3.1 Individual. Each meter assembly shall be tested as specified Failure of the test shall be cause for rejection. 4.5.3.2 Samples. Sam
31、ples selected in accordance with 4.5.1 shall be AQL shall be 2.5 - in 4.6.2,2. tested as specified in 4.6.2.3 and 4.6.2.4 inclusive. percent defective. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or
32、networking permitted without license from IHS-,-,-977790b 0257303 b b. Flow rates shall be determined either by quantity meters or rate meters as defined in the test code for centrifugal pumps in the Hydraulic Institute Standards. The test meters used shall have an accuracy of not less than that req
33、uired for meter assemblies. Calibrate the meter assembly using the test fluid and the meter calibration adjuster so that the registered volume will be within plus or minus 0.2 percent of the true volume. for calibration are as follows: c. Flow to be used 2-inch - 148 to 152 gallons per minute. 3-inc
34、h - 598 to 602 gallons per minute. d. After the meter assembly has been calibrated, test the meter assembly using the test fluid at the following flow rates (plus or minus 1.0 percent): 2-inch - 50, 125, and 250 gallons per minute. 3-inch - 100, 125, 350, and 650 gallons per minute. e. Repeat step.d
35、 for five consecutive times except that the flol rate shall be 150 gallons per minute (gpm) for 2-inch, and 350 gpm for 3-inch, to determine repeatability. Nonconformance to 3.4 shall constitute failure of this test. 4.6.2.4 Rough handling. The meter assembly shall be lifted not less than 24 inches
36、and dropped horizontally on a surface consisting of three inches of packed sand over concrete. cracks, breaks, or permanent deformation. considered defects. After examination, the meter shall be subjected to the hydrostatic pressure test and the accuracy test. Nonconformance to 3.4.1 shall constitut
37、e failure of this test. The meter shall be examined for Nicks and mars shall not be 4.7 Packaging inspection. 4.7.1 Quality conformance inspection of pack. 4.7.1.1 Unit of product. For the purpose of inspection, a completed pack prepared for shipment shall be considered a unit of product. 4.7.1.2 Sa
38、mpling, Sampling for inspection shall be in accordance with MIL-STD-105 . 4.7.1.3 Examination. Samples selected in accordance with 4.7.1.2 shall be examined for the following major defects. defective. AQL shall be 2.5 percent 8 Provided by IHSNot for ResaleNo reproduction or networking permitted wit
39、hout license from IHS-,-,-MIL-M-82L8OA Li7 m 777770b 0257304 8 m 106. 107. 108. 109. 110. 111. 112. 113. 114. MIL-M- 82 180A (MC) Unprotected surfaces not preserved as specified for level A. Technical publications not preserved as specified for level A. Repair parts not preserved as specified for le
40、vel A. Maintenance tools not preserved in accordance with referenced document for level A. Consolidation not as specified in level A. Exterior containers not as specified for level A. Quantity packed in one exterior container not as specified for level A or B. Strapping not as specified for level A
41、or B. Marking illegible, incorrect, or incomplete. 5. PACKAGING 5.1 Preservation. Preservation shall be level A or comerci1 as spec- ified (see 6.2.1). 5.1.1 Level A. 5.1.1.1 Meter assemblies. Unprotected surfaces requiring a preserva- tive shall be preserved in accordance with MIL-P-116. 5.1.1.2 Te
42、chnical publications. Technical publications shall bepre- served in accordance with MIL-P-116, method IC-1 or IC-3. 5.1.1.3 Repair parts. Repair parts shall be preserved in accordance with the applicable criteria of MIL-P-116. 5.1.1.4 Maintenance tools. Maintenance tools shall be preserved in accord
43、ance with the level A requirements of PPP-P-40. 5.1.1.5 Consolidation. Each meter and its components shall be placed in a fiberboard box conforming to PPP-B-636 class weather-resistant, grade and variety as required by weight restrictions. closed by method V of the box specification appendix. The bo
44、x shall be 5.1.2 Commercial. Preservation shall be in accordance with MIL-STD- 1188. 5.2 Packing. Packing shall be level A, B, or commercial as specified (see 6.2.1). 5.2.1 Level A. 5.2.1.1 ?.:inch meter assembly. Six 2-inch meter assemblies shall be packed in a box conforming to PPP-3-601, overseas
45、 type, grade B or PPP-B- 621, class 2. Strapping shall conform to QQ-S-781, class 1, type I or IV, 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M- 82 18OA (MC) size as applicable. Unless otherwise specified (see 6.2.1), strapping shall be fi
46、nish B. 6.2.1). When specified, strapping shall be finish A (see 5.2.1.2 3-inch meter assembly. Three 3-inch meter assemblies. shall be packed in a box as specified in 5.2.1.1. 5.2.2 Level B. The meter assemblies shall be packed as specified in 5.2.1.1 and 5.2.1.2 respectively, except that the boxes
47、 shall be domes- tic type and strapping shall be either finish A or finish B, 5.2.3 Commercial. The meter assemblies shall be packed in accordance with MIL-STD-1188. 5.3 Marking. In addition to any special marking required by the con- tract, unit packages, intermediate packages, and shipping contain
48、ers shall be marked in accordance with the requirements of MIL-STD-129. 6. NOTES 6.1 Intended use. The meter assemblies are intended for use in volu- metric measurements of liquid petroleum fuels. components of an amphibious fuel system that receives, stores, transfers, and dispenses gasoline, diese
49、l fuel, and jet fuel. The assemblies are 6.2 Ordering data. Procurement documents should specify the following: 6.2.1 Procurement requirements. a. Title, number, and date of this specification. b. Size required (see 1.2). c. When first article is required for inspection and approval (see 3.1, 4.4, and 6.3). d. When instruction plate is not required (see 3.6.2). e. Level of preservation and p
