1、. 1 INCH-POUND MIL-L-85546h(AS) 30 November 1990 SUPERS ED1 NG MIL-T-85546A(AS) 8 November 1985 MILITARY SPECIFICATION LAUNCHER, ROCKET LMU-23AIE AND LMU-23B/E This specification is approved for use by the Naval Air Systems Command, Department of the Navy, and is available for use by all Departments
2、 and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification establishes the requirements for the manufacture and inspection of the Launcher, Rocket LMU-23A/E and LMU-23B/E. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 SDecifications. st andards and handbooks. The fo
3、l lowing specifications, standards and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the Sssues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, ci
4、ted in the solicitation (see 6.2). STANDARDS MILITARY MI L-STD-1 O5 MIL-STD-109 MIL-STD-129 MIL-STD-810 MI L-STD-2073-1 DOD-STD-21 O1 MI L-STD-45662 Sampling Procedures and Tables for Inspection of Attributes Quality Assurance Terms and Definitions Marking for Shipment and Storage Envi ronmental Tes
5、t Methods and Engi neeri ng Guide1 i nes DD Materi el Procedures for Development and Appl i cation of Packaging Requirements C1 assi fi cation of Charac teri s ti cs Cal i bration System Requirements Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of u
6、se in improving this document should be addressed to: Commanding Officer, Naval Air Engineering Center, Systems Engineering and Standardization Department (SESD) Code 53, Lakehurst, NJ 08733-5100, by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this
7、document or bv letter. AMSC NIA FSC 1055 DISTRIBUTION STATEMENT A. Approved for pub1 i c re1 ease; di stri bution i s un1 imi ted. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-8554bB LO M 77777Ob ay57377 M I I MI L- L-85546B (AS 1 (Un1 ess o
8、therwi se indicated, Copi es of federal and mi 1 i tary speci fi cations, standards, and handbooks are aval lable from the Standardization Documents Order Desk, Bldg 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 Other Government documents, drawinas and publications. The following Unles
9、s otherwise specified, the issues other Government documents, drawings, and publications form a part of this document to the extent specified herein. are those cited in the solicitation. DRAW I NGS NAVAL AIR SYSTEMS COMMAND (CAGE Code 30003) DL1 335AS380 Launcher, Rocket LMU-23A/E Launcher, Rocket L
10、MU-23B/E Igniter, PVU-3B/E DL1 335AS850 1335AS260 1335AS275 Igniter, PVU-3A/E (Application for copies should be addressed to Commanding Officer, Naval Air Techni cal Servi ces Faci 1 i ty (NATSF) (Code 3121 1, 700 Robbi ns Avenue, Philadelphia, PA 19111.) 2.2 Non-Government publications. The fol low
11、ing documents form a part of this 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 the DODISS cit,ed in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODIS
12、S are the issues of the documents cited in the solicitation (see 6.2). AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) ANSI 846.1 Surface Texture (Surface Roughness Waviness and Lay) (Application for copies should be addressed to the American National (Non-Government standards and other pub1 ications a
13、re normally available from Standards Insti tute; 1430 Brwdway, New York, NY 10018.) the organizations that prepare or distribute the documents. may be available in or through libraries or other informational services.) this document and the references cited herein, the text of this document takes pr
14、ecedence. Nothing in this document, however, supersedes applicable laws and regulations un1 ess a speci fi c exemption has been obtained. These documents al so 2.3 Order of precede nce. In the event of a conflict between the text of 3. REQUIREMENTS 3.1 First article. When specified (see 6.21, a samp
15、le shall be subjected to first article inspection (see 6.4) in accordance with 4,4. 3.2 Material and process. The material and processes utilized in the fabrication of the launcher shall conform to the requirements indicated on the drawings and specifications listed on DL1335AS380 and DL1335AS850 (s
16、ee 4.1.3, 6.2, and 6.3). 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-8 d) - MIL-L-8554bB 10 = 7799706 0457398 T W MI L-L-85546B(AS) 3.2.1 Recvcled virain and reclaimed materlals, There is no exclusion to the use of recycled or reclaimed materia
17、ls and no mandate for the use of virgin materials provided it meets the requirements of this specification. 3.3 Desiun and construction. The launcher shall be of the design, construction, and physical dimensions specified on the drawings and specifications 1 i sted on DL1335AS380 and DL1335AS850. to
18、 high temperature, low temperature, and humidity without degradation of performance (see 4.6.2, 4.6.3, and 4.6.4). 3.4 Environmental conditioning. The launcher shall be capable of exposure 3.5 Performance. 3.5.1 Recvcle time and amperaae ( M1011. When operated with a fully charged battery, the time
19、required for monitored voltage to regain a level of 195 20 volts direct current (Vdc) for subsequent actuation shall be not greater than 150 seconds. The amperage from the battery, at the end of this time, shall be not greater than 55 milliamperes (see 4.6.5). 3.5.2 Firing pin penetration (M102). Wh
20、en actuated, the firing pin shall produce a 0.015 inch minimum deep depression without rupture in the percussion primer of the PVU-3B/E igniter, Drawing 1335AS260, or the PVU-3A/E igniter, Drawl ng 1335AS275 (see 4.6.6). 3.5.3 Discharue time and voltaae test (M103). After removal of the enable plug,
21、 the time for the voltage drop from 195 volts shall be not greater than 4 seconds (see 4.6.7). 20 volts to not greater than 50 3-6 -p. The workmanship requirements are as specified on the drawings and the following. Workmanship and finish shall be in accordance with the highest grade. practice used
22、in manufacturing mi 1 i tary weapons. Fini shed items and parts shall not exhibit poor material and processing such as seams, laps, laminations, cracks, visible steps, sharp edges, nicks, scratches, burrs, deformations, and missing operations which may affect serviceability, functioning, operation,
23、appearance, or safety. Fins and other extraneous metal shall be removed from cast or forged parts. Hammering to shape, salvage operations (including repair by welding), or other similar practices shall not be permitted without prior approval of the contracting officer. No part or assembly shall cont
24、ain chips, dirt, grease, rust, corrosion, or any other foreign matter. 4. QUALITY ASSURANCE PROVISIONS 4.1 ResPonsi bi 1 i tv for inspect ion. Unless otherwise specified in the . contract or purchase order, the contractor is responsible for the performance of al 1 inspection requirements (examinatio
25、ns and tests) as specified herein. Except as otherwise specified in the contract or purchase order, the contractor. may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the
26、right to perform any of the inspections set forth in this specification where such inspections are deemed necessary to ensure supplies and services conform to prescribed requirements (see 6.2). 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-
27、85546B LO W 9999906 0457399 I 4.1 1 Responsi bi 1 i tv for compl iance . All items shall meet all requirements of sections 3 and 5. The inspection set forth in this specification shall become a part of the contractors overall inspection system or quality program. The absence of any inspection requir
28、ements in the specification shall not relieve the contractor of the responsibility of ensuring that all products or supplies submitted to the Government for acceptance comply with all requirements of the contract. Sampling inspection, as part of manufacturing operations, is an acceptable practice to
29、 ascertain conformance to requi rements, however, thi s does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to accept defective material. 4.1.2 Test equipment and inmection faci li ties. ensure that test and inspection facilities o
30、f sufficient accuracy, quality, and quantity are established and maintained to permit performance of required inspections. Al 1 test and measurement equipment shall be cal i brated and mai ntai ned in accordance with MIL-STD-45662. Un1 ess otherwi se spec1 fi ed herein, all test and measurement equi
31、pment shall have an accuracy within one-fifth of the tolerance for the variable to be measured. The manufacturer shall 4.1.3 Certification. When specified, a written certification (see 6.2 and 6.31, accompanied by objective quality evidence (as specified in MIL-STD-109) that the materials and proces
32、ses conform to the requirements indicated on the drawings and specifications listed on DL1335AS380 and DL1335AS850, shall be avai 1 ab1 e to the acqui ring activi ty, the tests and examinations herein are classified as major or minor in accordance with DOD-STD-2101 the symbol (MI. The number fo-llow
33、ing the classification symbol indicates the serial number of the requirement. Requirements which are not annotated with a classification code are classified as minor, r 4.1.4 Classification of characteristics. The characteristics verified by Requirements that are major characteristics are identified
34、 by 4.2 Classification of insPect ions. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.4). b. Quality conformance inspection (see 4.5). 4.3 Inspection conditions, Unless otherwise specified herein, all inspections shall be performed in acco
35、rdance with the test conditions specified in the “General Requirements“ of MIL-STD-810 (see 6.2). performed on sample units produced with equipment and procedures normally used in product i on. 4.4.1 Sample. Unless otherwise specified, first article sample shall consist of five launchers and five se
36、ts of unassembled metal parts (see 6.2 and 6.4). 4.4.2 Inspection routine. The first article inspection shall consist of the inspections specified in table I. Failure to pass any on of the inspections shall be cause for rejection. 4.4 First article inseection. First article inspection shall be 4 Pro
37、vided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-8554bB LO 977770b 0457400 4 W Inspecti on MI L-L-85546B(AS) Requirement paragraph TABLE I. First article inspection. Inspection Sampl i ng I !a:!i:aph procedures Requirement paragraph Vi sual 4.6.1 4
38、.6.5 4.6.6 4.6.7 Envi ronmental High temperature Low temperature Humi di ty 4.5.2 4.5.3 4.5.3 4.5.3 Performance Recycle time and amperage (Ml01 1 Firing pin penetration (M102) Discharge time and vol tage (M103) 3.3 3.4- 3.4 3.4 3.5.1 3.5.2 3.5.3 Method paragraph 4.6.1 4.6.2 4.6.3 4.6.4 4.6.5 4.6.6 4
39、.6.7 Number of samples , Il Samples consist of five launchers and five sets of unassembled metal parts. - 21 Samples consist of five launchers. 4.5 Oualitv conformance inspection. Quality conformance inspection shall consist of Group A inspection (see 6.6.1) specified in table II. Vi sual Performanc
40、e Recycle time and amperage (Ml011 Fi ri ng pin penetration (Ml021 Discharue time and voltaue ( Ml031 3.2, 3.6 3.5.1 3.5.2 4.5.1 Inspection lot. An inspection lot shall be as defined in MIL-STD-105 and shall consist of all launchers offered for inspection during a period of 1 month provided the homo
41、geneity requirements of inspection lots have been retained. with MIL-STD-105, inspection level II. I 4.5.2 Samplina plan. The site for visual inspection shall be in accordance 4.5.3 Individual inmection. Individual inspection is inspection conducted on each launcher (100 percent inspection). cause f
42、or rejection of the launcher. Failure to pass inspection shall be 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-L-55qbB LO W 777770b 0457403 b W ! T MI L-L-85546B( AS) 4.6 Methods of inspection. 4.6.1 Visual examination. Visual examination sh
43、all be made for such defects as defective metal, burrs, sharp corners, foreign matter, protective finish defects, marking missing, incorrect or illegible, thread damaged or not full, holes, slots, radii or chambers missing. used in performing visual examination for such defects as burrs and foreign
44、matter. The roughness comparison specimens prescribed in ANSI 846.1 shall be used as a basis of comparison for surface roughness (finish) determination. Four power (4x) magnification may be 4.6.2 Hiqh temperature operation. The launcher shall be placed in a The battery shall be removed from the elec
45、tronics conditioning chamber at 160 greater than 16 hours. enclosure before performing this test. 5F for a period of not less than 4 hours and not 4.6.3 Low temDerature operation. The launcher shall be placed in a The battery shall be removed from the electronics conditioning chamber at -40 greater
46、than 16 hours. enclosure before performing thi s test. 5F for a period of not less than 4 hours and not 4.6.4 TemDerature and humidity, A temperature and humidity test shall be performed on the 1 auncher i n accordance wi th MIL-STD-81 O, Method 507.3, Procedure III, The duration of the test shall b
47、e four 24-hour cycles. 4.6.5 Recycle time and amperaae (M101). The battery shall be fully charged for the recycle test, The voltage from J2-A to the negative side of the battery shall be monitored using a multimeter with an input impedance of not less than 20,000 ohms per volt (ohms/volt). The firin
48、g switch shall then be activated and the amperage from the battery shall be monitored using a current meter with an accuracy of not less than 2 percent of scale. or a PVU-3A/E igniter, Drawing 1335AS275, devoid of all explosive materials except the M42 primer, shall be loaded into the launcher breec
49、h. switch shall be actuated after a capacitor charging interval of 140 seconds. 4.6.6 Firina pin penetration (M102). A PVU-3B/E igniter, Drawing 1335AS260 The firing 10 4.6.7 Discharue time and voltaue (M103). The battery shall be fully charged for the discharge test. battery shall be monitored using a multimeter with an impedance of not less than 20,000 ohms/volt, stabilized at 195 20 volts. preservation, packing, and container marking shall conform to this specification (see
