1、 MIL-DTL-32024 m 9999906 207621i1i 722 m 1 INCH-POUND 1 MIL-DTL-32024(OS) 14 Mav 1998 SUPERSEDING AS 3009B 12 January 1994 DETAIL SPECIFICATION CARTRIDGE, IMPULSE, CCU-33/A This specGcation is approved for use by the Naval Sea Systems Command, Department of the Navy, and is avaiIable for use by all
2、Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the requirements for the CCU-33/A Impulse 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. This
3、section does not include documents cited in other sections of this specification or documents recommended for additionai 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 f
4、or documents referenced in sections 3 and 4 of this specification, whether or not they are listed in this section. 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 her
5、ein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplements thereto, cited in the solicitation (see 6.2). SPECIFICATIONS DEPARTMENT OF DEFENSE MIL-P-20444 Primer, Percussion,
6、M42 Parts for Loading, Assembling, and Packing Beneficial comments (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 Surface Warfare Center, Standardization
7、 Team (Code 840M), 101 Strauss Avenue, Indian Head, MD 20640-5035, by using the Standardization Document Improvement Proposai (DD Form 1426) appearing at the end of this document or by sending a letter. AMSC NIA FSC 1377 DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimite
8、d. Licensed by Information Handling ServicesMIL-DTL-32024(OS) . MIL-PRF-8 1352 Coating, Aircraft Touch-Up STANDARDS DEPARTMENT OF DEFENSE MIL-STD-8 1OC DOD-STD-2101 Classification of Characteristics Environmental Test Methods and Engineering Guidelines (Unless otherwise indicated, copies of Federal
9、and Miiitary specifications and standards are available from: Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 191 11-5094.) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a p
10、art of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWINGS NAVAL AIR SYSTEMS COMMAND (CAGE Code 30003) DL25AS 100 838AS102 Powder, Smokeless 838AS144 Test Apparatus WAS29 1 Cartridge, Impulse, CCU-33/A Assembly Vibration
11、Fixture for JAU-22/B Initiator (Application for copies should be addressed to the Commander, Indian Head Division, Naval Surface Warfare Center, Data Control Team (Code 8410P), 101 Strauss Avenue, Indian Head, MD 20640- 5035. 2.3 Non-Government publications. The foilowing documents form a part of th
12、is document 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 ci
13、ted in the solicitation (see 6.2). AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM E 1742 Standard Practice for Radiographic Examination (Application for copies of ASTMs should be addressed to the American Society for Testing and Materiais, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2
14、959.) AMERICAN SOCIETY FOR QUALITY CONTROL ANSI/ASQC Z1.4 Sampling Procedures and Tables for inspection by Attributes 2 Licensed by Information Handling Services MIL-DTL-32029 M 9999906 207b213 5T5 M MIL-DTL-32024(OS) (Application for copies should be addressed to the American Society for Quality Co
15、ntrol, P.O. Box 3005, 611 East Wisconsin Ave., Milwaukee, WI 53201-3005.) 2.4 Order of Precedence. in the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however supersedes applicable laws an
16、d regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.2. 3.2 Materials. All materials used in the manufacture of the cartridges shall conform strictly with
17、 the specifications referenced on the respective Naval Air Systems Command drawings unless specific approval in writing covering a departure therefrom has been obtained from the Navy cognizant field activity for cartridges prior to manufacture. When alternate materials or methods of cartridge manufa
18、cture are specified on the drawings, the bidders selection shall be clearly stated in the proposal. 3.3 Primary components. For the purpose of this specification, the percussion primer, conforming to MIL-P-20444, and the smokeless powder, conforming to Drawing 838AS102, are defined as primary compon
19、ents (see 3.3.1 and 3.3.2). 3.3.1 Percussion primers. The M42C1-PA101 percussion primers used in the cartridge shall be manufactured and tested in accordance with MIL-P-20444. The primers shall be loaded into the Cartridges within 24 months of new primer acceptance testing or within 12 months of pri
20、mer recertification testing. 3.3.2 Smokeless powder. The smokeless powder shall be in accordance with Drawings 825AS100 and 838AS102 and loaded as prescribed therein. Smokeless powder charges shall be determined by weight rather than by volume measurements. 3.3.2.1 Humidity. The handling and loading
21、 of smokeless powder exposed to the atmosphere shall be performed only under conditions that do not permit the relative humidity of the working chamber to exceed 75 percent at ambient temperature to avoid undesirable effects upon ballistic performance. Testing shall be in accordance with 4.9. 3.4 Vi
22、al inspection. 3.4.1 Surface characteristics. The cartridge shall contain no dents, deep scratches, burred threads, longitudinal cracks in the crimped areas, lose crimps, or any other defect which may affect proper installation, stability, or moisture resistance of the cartridge when tested in accor
23、dance with 4.7.2. Fissures in the crimped area are acceptable if coated with acrylic lacquer conforming to Type I of MIL-PRF-81352. Circumferential cracks in the crimped area less than O. 125-inch in length and more than 0.375 inch apart are acceptable if coated with acrylic lacquer conforming to Ty
24、pe I of MIL-PRF- 81352. Loose crimps, cracks, and fissures are defined in 6.4.2, 6.4.3, and 6.4.4, respectively. 3 Licensed by Information Handling Services MIL-DTL-32024 9999906 2076214 431 MIL-DTL-32024(OS) b 3.4.1.1 Thread gage. The cartridge shall be accepted by passing a thread gage test for 1.
25、000-16UN- 2A threads. 3.5 Radiographic examination. Cartridges shall be free of imperfections in components of assembly as verified by radiographic examination of all first article and production test samples (see 4.7.3). 3.6 Leakage. The cartridge shall not exhibit a leak rate in excess of 1 i cubi
26、c centimeters per second (cm3/sec) of gas at a pressure differential of 1 .O f O. 1 atmosphere when tested in accordance with 4.7.4. 3.7 Environmental tests. 3.7.1 Shock. The cartridges shall withstand shock conditions as specified in 4.2.2.1, After being subjected to the shock test, the cartridges
27、shall meet the nondestructive test requirements of 3.5 and 3.6, and the design performance requirements of 3.8 and 3.9 when test fired. 3.7.2 Vibration. The cartridges shall withstand vibration conditions as specified in 4.2.2.2. After being subjected to the vibration test, the cartridges shall meet
28、 the nondestructive test requirements of 3.5 and 3.6, and the design performance requirements of 3.8 and 3.9 when test fued. 3.7.3 Temperature/humidity/aititude cycling. The cartridges shall withstand the temperature/humidity/ altitude cycling conditions as specified in 4.2.2.3. After being subjecte
29、d to the temperature/humidity/ altitude cycling test, the cartridges shall meet the nondestructive test requirements of 3.5 and 3.6, and the design performance requirements of 3.8 and 3.9 when test fired. 3.8 Functiod. 3.8.1 Low temperature. The cartridge shall withstand the functional requirement o
30、f -65F when tested in accordance with 4.2.3.1. 3.8.2 Nod temperature. The cartridge shall withstand the functional requirement of 70F when tested in accordance with 4.2.3.2. 3.8.3 High temperature. The cartridge shall withstand the functional requirement of 160F when tested in accordance with 4.2.3.
31、3. 3.9 BailisticS. 3.9.1 Velocity. The velocity of ballistic test slugs shall have an upper limit of 225 feet per second (fusec) and a lower limit of 175 Wsec when tested in accordance with 4.8. 3.9.2 Functioning time. The cartridge functioning time shall be less than 25 milliseconds when tested in
32、accordance with 4.8 (see 6.4.1). 3.9.3 Misfire. The cartridge shall fire when proper fuing energy is applied (see 4.8.3). 4 Licensed by Information Handling Services. Leakage LFkLE- 20g shock m-rrrr MIL-DTL-3202q D 999990b 207b215 * 4.7.4 4.2.2.1 MIL-DTL-3 2024( O S ) 160 i: 5F 1212161 378 D 12 I 4.
33、2.3.3 however, it is mandatory that the time, environmental, and sequence requirements be followed. A minimum of two chambers are needed to conduct the temperature shock portion of this test. If it is desired to use three chambers, it is permissible provided the time, environmental, and sequence req
34、uirements are met. The fluctuations from the specified temperatures shall not exceed 5F. When the temperature chamber door is opened to place test items inside, the chamber pressure will be atmospheric. The time required to return the chamber pressure to 0.65 pounds per square inch absolute (psia) s
35、hall not exceed one hour. Cartridges shali be supported on screen trays or racks so that all areas are exposed to the same prescribed atmospheric conditions at all times throughout the test. The schedule to be followed is: Monday 0800 1200 1600 Tuesday 0800 1200 1600 Wednesday 0800 1200 1600 Thursda
36、y 0800 1200 1600 Friday 0800 1200 Place test items in a chamber maintained at 70F at 50 percent (%) relative humidity (RH). Raise chamber temperature to 160F and the RH to 95 %. The chamber temperature shall reach 160F at 95% RH not later than 1300. Remove test items from above chamber and immediate
37、ly place in a chamber maintained at -65F and adjust for a pressure altitude of 70,000 feet (0.65 psi). Remoye test items from above chamber and place test items in a chamber maintained at 70F at 50% RH. Remove test items fi-om above chamber and immediately place in a chamber maintained at -65F and a
38、djust for a pressure altitude of 70,000 feet (0.65 psi). Remove test items from above chamber and immediately place in a chamber maintained at 160F at 95 % RH. Reduce chamber pressure to 70F at 50% RH. The chamber temperature shall reach 70F at 50% RH not later than 0900. Raise chamber pressure to 1
39、60F and 95 % RH. The chamber temperature shall reach 16OF at 95% RH not later than 1300. Remove test items from above chamber and immediately place in a chamber maintained at -65F at 95% RH and adjust for a pressure altitude of 70,000 feet (0.65 psi). Place test items in a chamber maintained at 70F
40、at 50% RH. Remove test items from above chamber and immediately place in a chamber maintained at -65F ami adjust for a pressure altitude of 70,000 feet (0.65 psi). Remove test items from above chamber and immediately place in a chamber maintained at 160F at 95% RH. Reduce chamber pressure to 70F at
41、50% RH. The chamber temperature shall reach 70F at 50% RH not later than 0900. Raise chamber pressure to 16OF and the RH to 95 % . The chamber temperature shall reach 160F at 95% RH not later than 1300. 8 Licensed by Information Handling ServicesMIL-DTL-32024 9999906 2076239 TL3 1600 Remove test ite
42、ms from above chamber and immediately place in a chamber maintained at -65F at a standard ambient pressure. This schedule shall be followed for a total of four weeks (28 days) except that on the second and fourth weekends the soak time shall be from 1200 on Friday until 0800 on Monday at a temperatu
43、re of 16F at 95 % RH. Six cartridges each shaii be removed at 0800 on the third and fourth Monday. The completion of the test occurs on the fifth Monday after starting. After the temperature/humidity/altitude test has been completed, the cartridges shall be subjected to the nondestructive tests and
44、test fired in accordance with table I. Failure of any cartridge to meet the requirements of 3.7.3 shall cause rejection of the first article. 4.2.3 Functionai test sampling. 4.2.3.1 Low temperature (am. Test devices and cartridges shall be conditioned at a temperature of -65F for a minimum of 6 hour
45、s after the temperature conditioning chamber reaches thermal equilibrium and then fired. Ballistic testing shall be in accordance with table I. Failure of any cartridge to meet the requirements of 3.9 shall cause rejection of the first article. 4.2.3.2 Nomai temperature (70F). Test devices and cartr
46、idges shall be conditioned at a temperature of 70F for a minimum of 6 hours after the temperature conditioning chamber reaches thermai equilibrium and then fired. Ballistic testing shall be in accordance with table I. Failure of any cartridge to meet the requirements of 3.9 shall cause rejection of
47、the first article. 4.2.3.3 High temperature (16OF). Test devices and cartridges shall be conditioned at a temperature of 160F for a minimum of 6 hours after the temperature conditioning chamber reaches thermal equilibrium and then fired. Ballistic testing shall be in accordance with table I. Failure
48、 of any cartridge to meet the requirements of 3.9 shall cause rejection of the fxst article. 4.3 Production inspection. Unless otherwise specified, sampling procedures and rejection criteria, except for the ballistic tests of 4.8, shall be in accordance with the requirements of ANSUASQC Z1.4. Critic
49、al, major, and minor characteristics shall be inspected for defecls to AQLs as specified in the contract (see 6.2 and 6.7). The requirements of ANSI/ASQC 21.4 pertaining to normal and tightened inspections shall apply. A production lot of cartridges shall contain main propellant charges and primers from single production lots only. The minimum and maximum production lot size shall be 181 and 800 cartridges, respectively. 4.4 Ciassification of characteristics. The characteristics verified by the tests and examinations herein are classified as critical, major or mino
