1、 MIL-DTL-32291 (OS) 01 July 208 DETAIL SPECIFICATION CARTRIDGE, IMPULSE, CCU-165/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 of Defense. 1. SCOPE 1.1 Scope. This specific
2、ation covers the requirements for the manufacture and acceptance of the Cartridge, Impulse, CCU-165/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 launchers to provide gas pressure to activate the ga
3、s 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 documents cited in other sections of this specifica
4、tion, or documents 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 for documents referenced in sections 3, 4, or 5 of this specification, wheth
5、er or not they are listed. 2.2 Government documents. 2.2.1 Specifications, Standards, and Handbooks. This section is not applicable to this document 2.2.2 Other Government documents, drawings and publications. The following other Government documents, drawings, and publications form a part of this d
6、ocument to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation or contract. Comments, suggestions, or questions on this document should be addressed to DEPARTMENT OF THE NAVY, Indian Head Division, NSWC, Code E11G3, Document Control, 4072 North Jac
7、kson Road Suite 106, Indian Head, MD 20640-5115 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 http:/assist.daps.dla.mil. AMSC N/A FSC 1377 Distribution Statement
8、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-32291 (OS) 2 DRAWINGS NAVAL AIR SYSTEMS COMMAND (30003) 3205AS357 Cartridge, Impulse Assembly 3205AS325 Cartridge Case and
9、Ignition Element Assembly (Modified) 3205AS359 Header, Glass Sealed 3205AS319 Header and Bridge Assembly 3205AS318 Ignition Element Loaded Assembly 3205AS358 Header, Bridgewire and Charge Holder Assembly 3205AS320 Header, Glass Seal and Capacitor Assembly DL 838AS123 Closed Bomb Assembly 834AS207 Sm
10、okeless Powder 838AS206 Propellant Charge, Double Base (Application for copies should be addressed to DEPARTMENT OF THE NAVY, Indian Head Division, NSWC, Code E11G7, Document Control, 4072 North Jackson Road Suite 106, Indian Head, MD 20640-5115 OFFICIAL BUSINESS.) 2.3 Non-Government publications an
11、d drawings. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are the issues of the documents cited in the solicitation or contract. AMERICAN SOCIETY FOR TESTING MATERIALS ASTM E 1742 Standard Practice for R
12、adiographic Inspection (DoD adopted) (Copies of these documents 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.) ASSOCIATION CONNECTING ELECTRONICS INDUSTRIES IPC-J-STD-001 R
13、equirements for Soldered Electrical and Electronic Assemblies (Copies of these documents are available online at http:/www.ipc.org/ or from the Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32291 (OS) 3 IPC-Association Connecting Electronic
14、s Industries, 3000 Lakeside Drive, 309 S, Bannockburn, IL 60015, PH 847-615-7100, FAX 847-615-7105.) 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 take
15、s precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Cartridges. Cartridges shall be manufactured to the requirements of this specification and drawing 3205AS357. 3.2 Ignition elements. Ignition
16、 elements submitted for first article testing shall meet the requirements of drawing 3205AS318. 3.3 First article. When specified in the contract or purchase order (see 6.2), a sample shall be subjected to first article inspection (see 4.2.1 and 6.3). 3.4 Cartridge production and primary components.
17、 The cartridge shall be manufactured in a continuous process. For the purposes of this specification, the header glass seal, drawing 3205AS359, the ignition element, drawing 3205AS318, and the main propellant charges, drawings 834AS207 and 838AS206 are defined as primary components. Only one lot of
18、a primary component shall be used in the manufacture of a single lot of cartridges. 3.5 Header pressure integrity. The Header, Glass Sealed, 3205AS359, shall be capable of withstanding 30,000 500 psi hydrostatic pressure applied to the bridge wire side of the assembly without any leakage, cracking o
19、f the glass or movement or deformation of any parts. 3.6 Header dead load. The Header, Bridgewire and Charge Holder Assembly, 3205AS358 shall be capable of withstanding the 300 pound force dead load applied to the electrode without cracking the glass and without movement or deformation of the parts.
20、 3.7 Header insulation resistance. The Header, Glass Sealed, 3205AS359, shall have an insulation resistance greater than 50 megohms. 3.8 Soldering. Soldering shall meet the requirements of IPC-J-STD-001 3.9 Visual. Cartridges and ignition elements shall be free of visual defects such as inadequate o
21、r illegible markings, burrs, dents, deep scratches, split or cracked crimp, wrinkled or creased mylar closure or closure disks or other defects which may prevent proper assembly or environmental stability of the parts. 3.10 Radiographic. Cartridges and ignition elements shall be free of imperfection
22、s in components or assembly as verified by radiographic examination. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32291 (OS) 4 3.11 Resistance. The resistance of the bridge circuit of each cartridge, header and bridge wire assembly and ign
23、ition element loaded assembly shall be as stated on their respective drawings. 3.12 Impedance. The bridge filter for each cartridge or ignition element shall have a peak to peak voltage of 40 millivolts maximum when tested as described in 4.3.4. 3.13 Powercurrent test. Ignition elements and cartridg
24、es shall be capable of dissipating the heat generated by 1 amp of current without firing or degrading, and shall meet the functional test requirement of section 3.18 or 3.19 respectively. 3.14 Leakage. Ignition elements when tested in a dry gas leak tester shall have a leak rate of less than 10-4at
25、.5 atm pressure differential. 3.15 Six-foot drop . Cartridges shall be capable of being dropped unprotected from a height of six feet onto a two inch minimum thickness steel plate embedded in concrete without impairing their ability to perform their intended function. 3.16 Twenty G shock. Cartridges
26、 shall be capable of withstanding a 20G peak saw tooth shock of 11 msec duration and meet the functional requirement of section 3.18. 3.17 Temperature and humidity cycling. Cartridges shall withstand temperature and humidity cycling between -80, -65, 70F at ambient humidity and 160F at 90% humidity
27、and meet the functional requirement of section 3.19. 3.18 Vibration. Cartridges shall withstand the vibration test of paragraph 4.3.15 and meet the functional requirement of section 3.19. 3.19 Ignition element ballistic performance. The ignition element, drawing 3205AS318 when tested as part of the
28、cartridge case and ignition element assembly (modified), drawing 3205AS325, shall meet the requirements of paragraphs 3.19.1 and 3.19.2 when fired in the closed bomb DL 838AS123. 3.19.1 Ignition delay. The maximum allowable ignition delay is ten milliseconds (see 6.6.1). 3.19.2 Maximum pressure. The
29、 minimum allowable value for maximum pressure (see 6.6.5) shall be 2,000 pounds per square inch (psi). 3.20 Cartridge Ballistic performance. Cartridges shall propel a 480 5 pound mass horizontally when fired in the variable volume test fixture at an initial volume of 3.7 cubic inches while maintaini
30、ng the following parameters. 3.20.1 Ignition delay. Ignition delay time shall not exceed ten milliseconds (see 6.6.1). 3.20.2 Time to maximum thrust. The time to maximum thrust shall not exceed 30 milliseconds (see 6.6.2). Provided by IHSNot for ResaleNo reproduction or networking permitted without
31、license from IHS-,-,-MIL-DTL-32291 (OS) 5 3.20.3 Thrust upper limit. The upper limit of thrust shall be 12,200 pounds force (lbf) (see 6.6.4) 3.20.4 Velocity lower limit. The lower limit for velocity shall not be less than 22 feet per second (see 6.6.3). 3.21 Workmanship. Cartridges shall be constru
32、cted and finished in a manner to assure compliance with all requirements of this specification. Particular attention should be directed to dimensions, finishes, crimping and assembly operations. 4. VERIFICATION 4.1 Classification of inspections. The inspection requirements specified herein are class
33、ified as follows: a. First Article inspection (see 4.2.1). b. Lot production and in-process tests (see 4.2.2) c. Acceptance tests (see 4.2.3) 4.2 Inspections. 4.2.1 First article inspection. First article inspection shall be required under the following conditions. a. First time vendor, b. Two or mo
34、re years has passed since the CCU-165/B or similar items have been manufactured, c. There has been a major turn over in personnel, d. There have been major changes to the production facility or e. There has been a transfer of production to a new facility or site. First article inspection sample shal
35、l be comprised of 70 cartridges, drawing 3205AS357; 25 header, glass sealed assemblies, drawing 3205AS359; 25 header, bridgewire and charge holder assemblies, drawing 3205AS358 and 25 cartridge case and ignition element assembly (modified), drawing 3205AS325. Units shall be prepared using the same p
36、rocedures and methods proposed for manufacture of the production lot and subjected to the tests listed in Table I. Tests shall be conducted in the top to bottom order of Table I. All units must pass these tests, no failures are allowed. 4.2.2 Lot production and in-process tests. 4.2.2.1 Lot size and
37、 acceptance test sample size. Unless otherwise specified cartridge production lot size is limited to 20,000 maximum excluding test cartridges. Acceptance test sample size will be 53 with 50 expended in testing and 3 retained for investigation purposes. Provided by IHSNot for ResaleNo reproduction or
38、 networking permitted without license from IHS-,-,-MIL-DTL-32291 (OS) 6 4.2.2.2 In-process tests and inspections. The manufacturer shall conduct the in-process inspections on the levels of assembly presented in Table II on the complete production lot (100% inspection). Reject any units that fail the
39、se tests. TABLE I. First article tests and conditions. Item Test Para. Cartridges Header w/ Charge Holder Header Glass Seal Cart Case Ignition Element (modified)Cart/Header/Ign element Visual 4.3.1 6 12 18 12 18 4 25 25 25 Cart/Ign element Resistance 4.3.3 6 12 18 12 18 4 25 25 Cart/Ign element Impe
40、dance 4.3.4 6 12 18 12 18 4 25 25 Cart/Ign element Radiographic 4.3.2 6 12 18 12 18 4 25 Cartridge Six-foot drop 4.3.12 6 Cartridge Twenty G shock 4.3.13 12 Cartridge T (1) Ignition Element side up, (2) Ignition Element side down, and (3) Ignition Element horizontal. A new cartridge shall be used fo
41、r each drop and no cartridge shall fire during this test. Cartridges shall be free from damage and shall meet all ballistic requirements of section 3.19. 4.3.13 Twenty G shock. A sample of 12 cartridges shall be selected at random from the first article lot. Cartridges shall be mounted in a test fix
42、ture and subjected to 3 shocks in each direction of 3 mutually perpendicular axes for a total of 18 shocks. The wave form shall be as Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32291 (OS) 9 given in 3.15. Cartridges shall be free from da
43、mage and shall meet all ballistic requirements of section 3.19. 4.3.14 Temperature and humidity cycling. This test provides for cycling between temperatures of -80F, 65F, +70F at ambient humidity and 160F at 90 percent relative humidity, with additional storage at 80F and +160F for two periods of tw
44、o weeks each. Provision has been made for withdrawal of cartridges at two times during the cycling, see schedule Table IV. This is to provide opportunity to observe the extent of progressive deterioration, if such exits. Cartridges shall be supported on screen trays so that all areas are exposed to
45、the prescribed atmospheric conditions at all times throughout the test. At the conclusion of the test, cartridges must be operable, free from damage and shall meet all ballistic requirements of section 3.19. The schedule to be followed is provided in Table IV. 4.3.15 Vibration. Vibration testing sha
46、ll be comprised of frequency cycling and resonance cycling. Testing shall be conducted at three temperatures, ambient, -65 and 200F, and in two orientations, parallel and perpendicular to the axis of the cartridge. Mount the units in a vibration fixture and subject them to frequency cycling between
47、10 and 2000 cps in 15 minute cycles with an amplitude of 0.018 inch (total excursion 0.036 inch) or an applied acceleration of 10 G, whichever is the limiting value at the temperatures and durations given in Table V for each orientation. Resonance cycle the units at 55 cps and applied amplitude of 0
48、.030 inch (total excursion of .060 inch) at the temperatures and durations given in Table V. Any order of orientation, temperature and test, may used as long as the full duration for each orientation, temperature and test is achieved. Cartridges shall be free from damage and shall meet all ballistic
49、 requirements of section 3.19. 4.3.16 Ballistic testing. 4.3.16.1 Ignition element ballistic test. Conduct ignition element ballistic testing at the temperature listed in Table I. Temperature condition units for 4 hours. Fire the sample in the Closed Bomb Assembly, DL 838AS123, within 3 minutes of removal fro
