1、 MIL-DTL-32048B (OS) 4 January 2012 SUPERSEDING MIL-DTL-32048A 14 July 2003 DETAIL SPECIFICATION CARTRIDGE, IMPULSE, CCU-107/B This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by all Departments and Agencies of the Department o
2、f Defense. 1. SCOPE 1.1 Scope. This specification covers the requirements for the manufacture and acceptance of the Cartridge, Impulse, CCU-107/B, referred to in this document as cartridge (see 6.1). 1.2 Application. The cartridges covered by this specification are used in various racks and launcher
3、s to provide gas pressure to activate the gas actuated pistons in the racks and launchers to eject various stores from aircraft. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3, 4 or 5 of this specification. This section does not include document
4、s 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 cautioned that they must meet all specified requirements of documents cited in sections 3, 4 or 5 of
5、this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. This section is not applicable to this document. Comments, suggestions, or questions on this document should be addressed to DEPARTMENT OF THE NAVY, Indian Head Division, NSW
6、C, Code E12P, Document Control, 4123 Artisans Court, Suite 103, Indian Head, Maryland 20640-5085, OFFICIAL BUSINESS, or emailed to amanda.pennnavy.mil. Since contact information can change, you may want to verify the currency of this information using the ASSIST Online database at https:/assist.daps
7、.dla.mil. AMSC N/A FSC 1377 Distribution Statement A. Approved for public release; distribution is unlimited. INCH -POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32048B (OS) 2 2.2.1 Other Government documents, drawings and publication
8、s. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation or contract. DRAWINGS NAVAL SEA SYSTEMS COMMAND (53711) DL 6260802 Cartridge, Impulse, CCU-1
9、07/B 6260802 Cartridge, Impulse, CCU-107/B 6261107 Cartridge Case, and Ignition Element Assembly (Modifed) 6261108 Header, Glass Sealed 6261109 Header and Bridge Assembly 6261110 Ignition Element Loaded Assembly NAVAL AIR SYSTEMS COMMAND (30003) DL 838AS123 Closed Bomb Assembly 834AS207 Smokeless Po
10、wder 838AS206 Propellant Charge, Double Base 844AS801 Vibration Test Fixture (Application for copies should be addressed to DEPARTMENT OF THE NAVY, Indian Head Division, NSWC, Code E12AP, Document Control, 4123 Artisans Court, Suite 103, Indian Head, Maryland 20640-5085, OFFICIAL BUSINESS.) 2.3 Non-
11、Government publications and drawings. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. AMERICAN SOCIETY FOR TESTING MATERIALS ASTM E1742/E1742M Standard Prac
12、tice for Radiographic Inspection (DoD adopted) (Copies of this document are available online at http:/www.astm.org/ or from the American Society for Testing and Materials Customer Service, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) Provided by IHSNot for ResaleNo reproduction or netwo
13、rking permitted without license from IHS-,-,-MIL-DTL-32048B (OS) 3 AMERICAN SOCIETY FOR QUALITY CONTROL ASQC Z1.4 Sampling Procedures and tables for Inspection by Attributes (DoD adopted) (Copies of this document are available online at http:/webstore.ansi.org/ansidocstore/default.asp, or from the A
14、merican Society for Quality, PO Box 3005, 611 E. Wisconsin Ave., Milwaukee, WI 53201-4606.) 2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein, the text of this document takes precede
15、nce. 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 (see 6.2), a sample shall be subjected to first article inspection as specified in sec
16、tions 4.2.2 and 6.3. A first article inspection shall be required if: a. Two or more years has passed since the CCU-107/B or similar items have been manufactured, b. There has been a major turn over in personnel, c. There have been major changes to the production facility or d. There has been a tran
17、sfer of production to a new facility or site. 3.2 Item Description. The cartridge case is made of aluminum and contains a propellant that is ignited by an integral, glass sealed, electric ignition element. The burning propellant produces the gases necessary to make the pistons actuate to eject store
18、s beyond the slipstream of the aircraft. 3.3 Cartridge production. The cartridge shall be manufactured in a continuous process. For the purposes of this specification, the header glass seal (Drawing 6261108), the ignition element (Drawing 6261110), and the main propellant charges, (Drawings 834AS207
19、 and 838AS206) are defined as primary components. Only one lot of a primary component shall be used in the manufacture of a single lot of cartridges. 3.3.1 Header Glass Seal. The Header Glass Seal shall be manufactured in accordance with the drawing 6261108 and undergo the tests listed in 4.2.2.2. 3
20、.3.1.1 Header Integrity test. The Header Glass Seal shall be capable of withstanding 30,000 500 psi hydrostatic pressure test as prescribed in drawing 6261108. 3.3.1.2 Dead load test. The Header Glass Seal shall be capable of withstanding the 300 pound force dead load with no movement or breakage of
21、 component parts. 3.3.1.3 Insulation resistance. The Header Glass Seal shall be capable of an insulation resistance greater than 50 megohms. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32048B (OS) 4 3.4 Inspection. 3.4.1 Ignition element
22、loaded assembly inspection. The ignition element shall be manufactured in accordance with the drawing 6261110 and shall meet the following inspections and tests as specified in 4.2. For ballistic testing, the element shall be pressed into the modified cartridge case conforming to drawing 6261107. 3.
23、4.1.1 Visual. Ignition elements shall be free of visual defects such as, but not limited to, burrs, dents, deep scratches, split or cracked crimp, wrinkled or creased mylar closure, defective seal or other defects which may prevent proper assembly or environmental stability of the element (see 4.2.3
24、.2). 3.4.1.2 Resistance. The resistance of the bridge circuit of each ignition element, when tested electrically, shall not be less than .95 ohms nor more than 1.25 ohms when tested as specified in 4.2.3.3. 3.4.1.3 Radiographic. Ignition elements in the first article sample shall be free of imperfec
25、tions in components or assembly as verified by radiographic examination of all first article samples (see 4.2.3.5). 3.4.1.4 Leakage. Ignition elements, when tested in a dry gas leak tester shall produce no leaks (see 4.2.3.4). 3.4.1.5 Powercurrent test. The ignition elements of the first article sam
26、ple shall be subjected to the powercurrent test (see 4.2.2.3.1). 3.4.1.6 Ignition element. The ignition element shall be manufactured in accordance with drawing 6261110 and shall meet the following requirements when tested as specified in 4.2.2.3.2. 3.4.1.6.1 Ignition delay. The maximum allowable ig
27、nition delay shall not exceed ten milliseconds (see 6.6.5). 3.4.1.6.2 Maximum pressure. The minimum allowable value for maximum pressure shall be 2,000 pounds per square inch (psi). 3.4.2 Cartridge inspection. 3.4.2.1 Visual inspection. All cartridges manufactured under contract shall be visually in
28、spected and screened for defects (see 4.2.1.3). 3.4.2.2 Bridge circuit resistance. The resistance of each completely assembled cartridge, when tested electrically, shall not be less than 0.95 ohms nor more than 1.25 ohms when tested as specified in 4.2.3.3. 3.4.2.3 Radiographic inspection. Cartridge
29、s shall be free of imperfections in components or assembly as verified by radiographic examination of all first article and production lot test samples (see 4.2.3.5). Defects identified in the samples may result in 100% screening of the lot at contractor expense depending on the nature of the defect
30、(s). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32048B (OS) 5 3.4.2.4 Six-foot drop test. Each cartridge shall be capable of passing the six-foot drop test, unprotected, without impairing its ability to perform its intended function (see
31、 4.2.2.1.1). 3.4.2.5 Fifteen G shock. Each cartridge shall be capable of withstanding ten shocks of 15 G maximum acceleration when mounted in the text fixture. The 15 G maximum acceleration shall be reached within eight milliseconds and the acceleration shall exceed 8 G for a minimum of 11 milliseco
32、nds (see 4.2.2.1.2). 3.4.2.6 Temperature and humidity cycling. Each cartridge shall be capable of passing the temperature and humidity cycling test, section 4.2.2.1.3. and be free from visible damage, section 4.2.1.3 and meet functional requirement, section 3.5. 3.4.2.7 Vibration. Each cartridge sha
33、ll be capable of passing the vibration test, section 4.2.2.1.4 and meet functional requirement, section 3.5. 3.4.2.8 Gage test. Each cartridge shall be inspected in a 1.00 inch minimum length class XX receiver gage to verify the 1.078 inch maximum diameter requirement per drawing 6260802. 3.5 Ballis
34、tic requirements. Cartridges from each first article lot and production lot samples shall be capable of propelling a 480 5 pound mass horizontally when fired in the variable volume test fixture at an initial volume of 3.7 cubic inches and shall meet the requirements listed below when subjected to th
35、e tests prescribed in 4.2. 3.5.1 Ignition delay. Ignition delay time shall not exceed ten milliseconds (see 6.6.5). 3.5.2 Time to maximum thrust. The time to maximum thrust shall not exceed 30 milliseconds (see 6.6.6). 3.5.3 Thrust. The upper limit of thrust shall be 12,200 pounds force (lbf) (see 6
36、.6.8) 3.5.4 Velocity. The lower limit for velocity shall not be less than 22 feet per second (see 6.6.7). 3.5.5 Maximum pressure. The cartridge shall not exceed a maximum pressure of 9,800 psi nor exhibit a maximum pressure less than 7,300 psi respectively. This information will be recorded for info
37、rmation only (see 6.6.9). 3.5.6 Misfire. There shall be no misfires (see 6.6.10). 3.6 Change in propellant lot(s). Whenever a change occurs in the propellant lot, test firings shall be conducted, in accordance with 4.2. No cartridges shall produce results outside of the limits specified in 3.5. 3.7
38、Packaging, packing and marking. The packaging and packing of cartridges and the container markings shall be in accordance with Section 5.1. 3.8 Workmanship. Cartridges shall be constructed and finished in a manner to assure compliance with all requirements of this specification. Particular attention
39、 should be directed to dimensions, finishes, crimping and assembly operations. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32048B (OS) 6 4. VERIFICATION 4.1 Classification of inspections. The inspection requirements specified herein are c
40、lassified as follows: a. In-process inspections (see 4.2.1). b. First article inspection (see 4.2.2). c. Conformance inspection (see 4.2.3). 4.2 Inspections. 4.2.1 In-process Inspections. 4.2.1.1 Leakage. Each ignition element produced under contract shall be leak tested in a dry gas leak tester to
41、determine conformance with 3.4.1.4. Units, which exhibit a leak rate in excess of 1 X 10-4standard centimeters per second of gas at a pressure differential of 1.0 .1 atmospheres, shall be rejected. 4.2.1.2 Resistance examination. The contractor shall conduct inspections of the production lot to veri
42、fy proper resistance readings for the header assembly (6261109), ignition element loaded assembly (6261110) and all up round, (6260802). 4.2.1.3 Cartridge visual examination. Examine all cartridges and reject those with: inadequate or illegible markings or serial numbers, color coding, dents, deep s
43、cratches, split or cracked edges, chipped surfaces, dont fit size gauge or other defects which may prevent proper installation or function. 4.2.2 First article inspection. Before entering into quantity production, an acceptable first article sample of 70 cartridges shall be prepared using the same p
44、rocedures and methods proposed for manufacture of the production lot. An acceptable sample is one that has passed all the tests and examinations in table I. In addition 25 header glass assemblies, 25 loaded ignition elements mounted in modified cartridges cases per drawing 6261107 shall also be subm
45、itted for examination and tests. TABLE I. First article tests and conditions. ITEM Nature of Test Requirement Verification Sample Quantity Cartridge Six-foot drop 3.4.2.4 4.2.2.1.1 6 Cartridge Fifteen G shock 3.4.2.5 4.2.2.1.2 12Cartridge Temperature and Humidity cycling 3.4.2.6 4.2.2.1.3 18 Cartrid
46、ge Vibration 3.4.2.7 4.2.2.1.4 12 Cartridge Gage 3.4.2.8 4.2.1.3 70Cartridge Ballistic test. -65F 3.5 4.2.2.1.5 33 Cartridge Ballistic test. +200F 3.5 4.2.2.1.5 33 Cartridge Investigative Sample 4.2.2.1.5 4Header Glass Seal Visual 3.3.1 4.2.2.2 25 Header Glass Seal Dead load 3.3.1.2 4.2.2.2.1 25 Pro
47、vided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32048B (OS) 7 Header Glass Seal Header integrity 3.3.1.1 4.2.2.2.2 25 Header Glass Seal Insulation resistance 3.3.1.3 4.2.2.2.3 25 Ignition element Visual 3.4.1.1 4.2.3.2 25 Ignition element Resist
48、ance 3.4.1.2 4.2.3.3 25 Ignition element Radiographic 3.4.1.3 4.2.3.5 25 Ignition element Leakage 3.4.1.4 4.2.3.4 25 Ignition element Power-Current test 3.4.1.5 4.2.2.3.1 25 Ignition element Ballistic test +70F 3.4.1.6 4.2.2.3.2 25 4.2.2.1 First article environmental test. 4.2.2.1.1 Six-foot drop te
49、st. A sample of 12 cartridges shall be selected at random from the first article lot. Four cartridges shall be dropped in each of the following positions; (1) Ignition Element side up, (2) Ignition Element side down, and (3) Ignition Element horizontal. A new cartridge shall be used for each drop and no cartrid
