1、MIL-DTL-b0247B 99999Ob 2034843 671 W I INCH-POUND I MLDTL.-247B(OS) 19 Decembe r 1995 SUPERSEDING 23 April 1991 MIL-C-60247A DETAIL, SPECIFICATION CARTRIDGE, DELAY, M155 ASSEMBLY This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use
2、 by all Departments and Agencies of the Departments of Defense. 1. SCOPE 1.1 Scope. This specification covers the requirements for the M155 Delay Cartridge (see 6.1). 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. Th
3、is section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautionedthaheymustmeet ali speaed requirements documents specifi
4、ed in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the
5、issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DDISS) and supplements thereto, cited in the solicitation (see 6.2). SPECIFICATIONS MILITARY MIL-A-25 5 O Ammunition, General Specification for MIL-A-8625 Anodic Coating for Al
6、uminum and Aluminum Alloys _ Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Indian Head Division, Naval Surfce Warfare Center, Standardization Branch (8420), 101 Straw Avenue,Indian
7、Head, Maryland 20640-5035, by using the self addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC NIA FSC 1377 DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo
8、reproduction or networking permitted without license from IHS-,-,-MIL-DTL-b0247B W 99999Ob 2034842 508 W . b MIL-DTL-60247B( OS) STANDARDS MILITARY MIL-STD- 1 o9 Quality Assurance Terms and Dekitions MIL-sTD-453 Inspection, Radiographic MIL-STD-810 Environmental Test Methods and Engineering Guidelin
9、es MS-28741 Hose Assembly Detachable End Fitting Medium Pressure (Unless otherwise indicated, copies of federal and military specifications and standards are available from Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 191 11-5094.) 2.2.2 Other Government do
10、cuments, drawings, and publications. The following other Government documents, drawings, and publications fonn a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWINGS Naval Surface Warfare Center (CAGE Codes 19200 a
11、nd 19203) DL10521632 Cartridge, Delay, M155 Assembly 8799620 Box, Packing, Ammunition, For Cartridge, Delay: M70, M93, M113, or M155 879962 1 Carton, Packing, Ammunition, For Cartridge, Delay: M70, M93, M113, or M155 9224944 carton, Altemaiive, Packing, Ammunition, For Cartridge, Delay: M70, M93, M1
12、13, M155, XM231, or M293 (Application for copies should be addressed to: Commander, Indian Head Division, Naval Surface Warfare Center, Data Control Branch (Code 8410), 101 Strauss Avenue, Indian Head, MD 20640-5035.) 2.3 Non-Government publications. The following documents form a part of this docum
13、ent to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted are those listed in the issue of DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are the issues of the documents cited in t
14、he solicitation (see 6.2). AMERICAN SOCIETY FOR QUALITY CONTROL ANSYASQC 21.4 Sampling Procedures and Tables for Inspection by Attributes 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-b0247B 9799906 20148Y3 444 MIL-DTL-60247B( OS) (Applic
15、ation for copies should be addressed to the American Society for Quality Control, PO Box 3005,611 E. Wisconsin Ave., Milwaukee, WI 53201-4606.) 2.4 Order of precedence. In the event of a conflict between the text of this docpent and the references cited herein, the text of this document takes preced
16、ence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified in the contract or purchase order, a first article sample shall be subjected to rst article inspection (see 4.3,6.2, an
17、d 6.3). 3.2 manufctured in accordance with DL10521632 and all documents listed thereon. Conformance to documents. The M155 Delay Cartridge covered by this specification shall be 33 Materiais. Ai materials used in the manutkture of the cartridges shall conform strictly to the specifications ref- to o
18、n the respective drawings unless specific approval in writing covering a departure therefrom has been obtained fim the Cognizant Navy design activity prior to manufacture. When alternate materiais or methods of manufacture are specified on the drawings, the bidders selections shall be clearly stated
19、 in the proposal. 3.4 Components. 3.4.1 Primary Components. For the purpose of this specification, the PVU-l/A Ignition Device, M28 Delay Eilement, Igniter Charge and the cartridge propellant charge are considered primary components. Only primary components from a single lot shall be used in a produ
20、ction lot of cartridges; however, one primary component production lot may be used in more than one cartridge production lot. 3.4.1.1 Ignition device. The ignition device shail conform to the applicable drawing and reference specification. Only ignition devices from lots manufactured within the last
21、 24 months or recertified within the last 12 months shall be used in these units. Prior to assembly into a cartridge, the ignition device shall be radiographically examined for defects as specified in 4.6.1. 3.4.2 Hardness. The hardness of each component part shall be in accordance with the applicab
22、le drawing (see 4.6.2). 3.43 Protective finish. The finish of each component part shall be in accordance with MIL-A-8625 and the applicable drawing (see 4.6.3). 3.5 Assembly. 35.1 Radiographic examination. Each cartridge assembly shall be radiographically examined for defects (see 4.6.4). 3.5.2 Airt
23、ightness. Each assembled cartridge shall exhibit no air leakage greater than 1 x lo4 standard cubic centimeters per second (see 4.6.5) at a 14.7 psia pressure differential. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-b0247B 77747Ob 2014
24、844 380 I Temperature (OF) -60 t -70 65 to 75 195 to 205 3.5.3 Vibration. The assembled cartridge shali withstand vibration as prescribed in MIL-STD-810, Method 514.3, Test Procedure I, Test Condition 1-3.2.5 without evidence of any disintegration of the ignition device, propellant, or igniter, or d
25、erangement of any component (see 4.6.7 and 6.2). Delay time (sec) Pressure (psig) Time to Pax (ms) Lower Upper Lower Upper .450 .650 500 1250 50 .395 .595 6 O0 1500 50 .375 525 700 1700 50 3.6 Functional requirements. 3.6.1 Ignition device sensitivity. The ignition device shall fire when drop tested
26、 at an energy level of 26 inch-ounces in a sectioned cartridge void of igniter and propellant charge (see 4.6.8.1). 3.6.2 Cartridge performance. 3.6.2.1 Misfires. The cartridge shall not fail to fue. 3.6.2.2 Ballistics. The cartridge, when tested in a M72 initiator shall produce the pressures, delay
27、 times (see 6.6.1), and times to P, (see 6.6.2) at temperatures specified in table I (see 4.6.8.2). Pressure values shall be produced in a one cubic inch pressure station at the end of 15 feet of hose in accordance with MS-28741-4. TABLE I. Ballistic reauirements. 3.7 Workmanship. Cartridges sha be
28、fire of cracks, spiits, or other defects which might prevent proper mating with wmecing parts or proper functioning of the device. 3.7.1 Metal defects. All components shall be fiee fiom cracks, splits, cold shuts, inclusions, porosity, or any similar defect. 3.7.2 Burr. No part shall have a burr whi
29、ch might interfere with the assembly or function of the item or which might be injurious to personnel handling the item. 3.7.3 Foreign matter. No part or assembly shall contain chips, dirt, grease, rust, corrosion, or other foreign matter. 4 . Provided by IHSNot for ResaleNo reproduction or networki
30、ng permitted without license from IHS-,-,-4. QUALITY ASSURANCE PROVISIONS 4.1 Classification of inspections. a. First article inspection (see 4.3) b. Codormance inspection (see 4.4) 4.1.2 Quality assurance terms and defnitions. Refaence shall be made to MIL-STD- 1 O9 to define the quality assurance
31、terms used. 4.13 Inspections. Inspections shall be in accordance with MIL-A-2550 and MIL-STD-453. 4.2 Inspection conditions. Unless otherwise specified in the contract or purchase order (see 6.2), inspection conditions shall be as follows: a. b. Altitude: Sealevel c. d. Atmospheric: 14.7 psia Temper
32、ature: Room ambient 20“ to 25 O C (68“ to 77“ F) Humidity: 50 percent relative, maximum 4.3 First article inspection. At the beginning of regular production, the contractor shall submit a first article sample to a Government approved facility for evaluation. The sample shall consist of 21 assembled
33、cartridges for ballistics testing including 12 for vibration tests, 5 assembled cartridges for sealant tests, 10 sets of unassembled components for dimensional and visual examination, and the quantity specified in accordance with 4.3.2, i.e., caridges assembledwithout the igniter and propellant char
34、ge for ignition device sensitivity test. The rs article sample shall be manufhctured using the same materiais, equipment, processes, and procedures as used in regular production. All parts and materials, including packaging and packing, shall be the same as used for regular production and shall be o
35、btained fi-om the same source of supply. When it becomes necessary to make a change in either the ignition device, propellant, or igniter lot after initial production, 12 assembled cartridges Eom the ht production lot thereafter shall be iested in accordance with 4.6.7. The Government reserves the r
36、ight to require new first article samples until such time as an acceptable sample is submitted (see 6.3). 4.3.1 Examination, tests, and facility. After provisional acceptance at source, the sample shall be inspected for all requirements of the drawings and specications at a Government laboratory or
37、other such facility specified in the contract (see 6.2). 4.3.2 Sample size for ignition device sensitivity. The number of cartridges assembled without igniter or propellant to be submitted for ignition device sensitivity tests shall be in accordance with table II. 5 Provided by IHSNot for ResaleNo r
38、eproduction or networking permitted without license from IHS-,-,-MIL-DTL-b02YB 9999906 2034846 153 Lot size 3 to 15 16 to 25 26 to 40 41 to 65 66to 110 MIL-DTL-60247B( OS) Sample sire 3 4 5 7 10 TABLE II. I-gition device sensitivitv. 501 to 800 801 to 1300 35 40 111 to 180 181 to 300 301 to 500 Temp
39、erature (“FI -60 to -70 65 to 75 Not vibrated Vibrated 3 4 3 4 Il I 50 Over 1300 I 195 to 205 433 Temperature conditioning for ballistic test. The sample shall be temperature conditioned and tested to determine compliance with 3.6.2.2. The sample for firing shall be conditioned to table III. 3 4 TAB
40、LE m. Temperature CO nditioning;. 4.3.4 First article failure. Failure of the sample to comply with the requirements of the drawings and specifications shall result in fkst article sample disapproval. 4.4 Quaiity conformance inspection. 4.4.1 Lot. 4.4.1.1 Submission of product. The product shall be
41、submitted in accordance with ASQC 21.4. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-b0247B 9949906 2034847 09T MIL-DTL-60247B( OS) 4.4.1.2 Lot size. Unless othenirise specified (see 6.2), the production lot size shall be not more than 1
42、200. 4.4.2 Examination and tests. The quality conformance sample shall be subjected to the examinations of 4.6 and all the test procedures of 4.6 except for 4.6.7. 4.5 Examination. All cartridges and components shall be examined visually and radiographically and characteristics defined in accordance
43、 with the applicable drawings. One hundred percent examination shall be performed for all critical defects. Examination for major or minor defects shall be performed on a defect basis in accordance with the classification of defa. Four power (4X) magnification may be used in performing visual examin
44、ation for such defects as burrs and foreign matter. When compliance is in doubt as a result of visual inspection, the characteristic shall be measured or gaged to determine acceptability. All nonconforming items shall be rejected. 4.5.1 Cartridge, Delay, M155 Assembly, Drawing 10521632. characterist
45、ic Defect Method of Inspection critical 1 Any part missing 2 Improper assembly 3 4 Metal defective 5 Crimp missing or incorrect 6 Mixed delay elements or propellant Marking missing, incorrect, or illegible Major 101 102 103 104 105 106 107 108 Cartridge profile failure Diameter of body, max Diameter
46、 of head, max Location of datum diameter “O“ ring split, cracked or cut Protective finish inadequate or defective Foreign matter present Burr Minor 201 Total length, max 202 Case damaged 203 Varnish inadequate or missing X-rayNisual X-rayNisual Visual Visual Visual Visual Gage Gage Gage Gage Visual
47、Visual Visual Visual Gage Visual Visual 4.5.2 Delay Element, M28, Drawing 10521650, covering a detail of Drawing 10521632. Characteristic Defect Method of Inspection critical 1 Mixed delay elements 7 Visual Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS
48、-,-,-Major 101 102 103 MIL-DTL-602478 974770b 2034848 T2b m Flash hole missing or obstructed Ignition device uncrimped or seal missing Marking missing, incorrect, or illegible Delay charge not visible through flash hole Metal defective Protective fuiish inadequate or defective Burr Foreign matter pr
49、esent Minor None defined 4.5.3 Case, Cartridge, Drawing 8595202, covering a detail of Drawing 10521632. critical 1 Metal defective Major 101 102 103 104 105 106 107 108 109 Concentricity of head with body Straightness of base Diameter of body, min Diameter of head, min Thickness of base flat Thickness of waii Protective finish inadequate or defective Burr or sharp corner Foreign matter present Minor 20 1 202 Hardness 2
