1、MIL-C-85728 58 m 9799906 0376797 T m wr-9 6 MIL-C-85728(AS) 18 MARCH 1987 M I L ITARY SPEC I F I CAT ION CHAFF, COUNTERMEASURES (TYPE RR-( )/AL) GENERAL SPECIFICATION FOR This specification is approved for use within the Naval Air Systems Command, Department of the Navy, -and is available for use by
2、 all Departments and Agencies of the Departmentof Defense. 1. SCOPE 1.1 Scope. This specification establishes the requirements for design, construction, performance and testing of the Chaff Countermeasures (Type RR-( )/AL. This countermeasure is a Chaff Head (CH) that is used in conjunction with the
3、 5 inch rocket system. reflector) contains components capable of creating confusing returns to radar systems operating within specified frequency ranges. The Chaff Countermeasures (radar 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specification and standards. Unless otherwise specified,
4、the following specifications and standards of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DODISS) specified in the solicitation form a part of this specification to the extent specified herein. I Beneficial comments (recommendations, additions,
5、deletions) and I I Center, Systems Engineering Specifications and Standardization I I self-addressed Standardization Document Improvement Proposal I I any pertinent data which may be of use in improving this document I I should be addressed to: Commanding Officer, Naval Air Engineering I I Departmen
6、t (SESD) Code 93, Lakehurst, N.J. 08733-5100, by using the I I (DD Form 1426) appearing at the end of this document or by letter. I I I DISTRIBUTION STATEMENT A. Approved for pub1 ic release; distri bution is unlimited. AMSC N/A FSC-5865 I -. THIS DOCUMENT CONTAINS ai PAGES. Licensed by Information
7、Handling Services- NL-C-8C72638 i9799Ob OL7b778 cil MI 14-85728 (AS) SPEC I F I CAT ION Military MIL-P-116 Preservation Packaging, Method of DOD- D- 1 O00 Drawings, Engineering and Associated List MI L-T- 18303 M I L - C -8 5 7 2 8/ 1 Test Procedures; Preproduction, Acceptance and Life for Aircraft
8、Electronic Equipment, Format for Chaff, Countermeasures (Type RR- 182/AL) Specification Sheet. -8 P STANDARDS MIL-STD-129 Marking for Shipment and Storage MIL-STD-130 MIL -STD-33 1 DOD-STD-481 MIL-STD-794 Identification Marking of U.S. Military Property Fuze and Fuze Components, Environmental and Pe
9、rformance Tests for Configuration Control -Engineering Changes, Deviation and Waivers Parts and Equipment, Procedures for Packaging of MI L- STD-81 O Environmental Test Methods MI L- STD- 1323 Fleet Issue Unit Load MI L-STD- 207 1 Testing of Chaff Radar Cross-Section 2.1.2 Other Government documents
10、, and publications. The following other Government documents, and other publications form a part of this specification to the extent specified herein. MAN UA L S Naval Air Systems Command NAVAIR 11-85-5 Description, Safety, Service and Hand1 ing Instructions (Intermediate) Airborne Rockets 2. Licens
11、ed by Information Handling ServicesMIL-C-85728 58 m 9990b 017b797 3 MI L-C-85728(AS) PUBLICATIONS Code of Federal Regul at ions CFR 49 100-177 Transportation (Copies of specifications standards, other Government documents, and publications required by contractors in connection with specific acquisit
12、ion should be obtained from the contracting activity or as directed by the contracting activity.) 2.2 Other publications. The following document(s) form a part of this specification to the extent specified herein. specified, the issues of the documents which are DOD adopted shall be those listed in
13、the issue of the DODISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS shall be the issue of the nongovernment documents which is current on the date of the solicitation. Unless otherwise STANDARDS American Society of Mechanical Engineers
14、ANSI Y14.5 Dimensioning and Tolerancing for Engineering Drawings (Application for copies should be addressed to the American Society of Mechanical Engineers, United Engineering Center, 345 East 47th Street, New York, N.Y. 10017.) 2.3 Order of precedence. In the event of a conflict between the text o
15、f this specification and the references cited herein (except for associated detail specification, specification sheet or MS standards), the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws and regulations unless a specific exem
16、ption has been obtained. 3. REQUIREMENTS 3.1 Specification sheets. The individual item requirements shall be as specified herein and in accordance with the applicable specification sheets. In the event of any conflict between requirements of this specification and the specification sheet, the latter
17、 shall govern. 3.2 First article. When specified in the contract or purchase order, a sample shall be subjected to first article inspection (see 4.2, 6.2.1 and 6.3). 3.3 Chaff material. The chaff material shall be in accordance with the applicable specification sheet (see 3.1). 3. Licensed by Inform
18、ation Handling ServicesMIL -C-85728 (AS) 3.3.1 Dipoles. Dipoles shall meet the dimension and composition requirements of the applicable specification sheets (see 3.1). Dipoles composed of coated filaments shall have a d,c. resistivity not greater than 10 ohms per linear inch. 3.3.2 Secondary (slip)
19、coating. When specified in the applicable specification sheet (see 3.1), a secondary (slip) coating shall be applied to the chaff material to: a. b. Prevent dipole end welding and metal smear during the cutting operat i on. Prevent cohesion between dipoles which may be caused by corrosive conditions
20、. c, Increase dispersion by reducing dipole-to-dipole friction. The formulation of the slip coating shall be approved by the procuring activity prior to use as part of the first article inspection procedures or quality conformance inspection procedures if a first article is not required. 3.4 Design
21、and construction. Each Chaff Head (see 6.4.3) including chaff payload (see 6.4.2) and all parts, assemblies, markings, packaging and packing; shall conform to all the requirements of this specification, and the applicable DL for design, construction and workmanship, except as otherwise specified in
22、the contract (see 6.2.1). shall be maintained in accordance with DOD-STD-481. Configuration control 3.4.1 Nomenclature and identification markings. Nomenclature and identification markings shall be in accordance with MIL-STD-129, MIL-STD-130 and as specified herein. 3.4.2 Item definition. The Chaff
23、Countermeasures (Type RR-( )/AL) is comprised of an conical shaped nose section with a spherical radius nose tip, a settable fuze, pyrotechnic devises, a cylindrical body section with frangible case containing the chaff payload and a rocket motor adapter designed for use as an applicable rocket moto
24、r/Chaff Head combination. The chaff payload is comprised of aluminum coated glass dipoles. are cut to respond to specified radar threat frequencies. point after launch from the aircraft, equal to the preset of the fuze, the fuze detonates the center burster. The chaff payload is ejected and the chaf
25、f dipole muffins are dispensed. The dipoles produce a chaff cloud, creating a simulated target or decoy. The Chaff Head shall be manufactured in accordance with this specification, the applicable Data List (DL) and all drawings and specifications listed herein. The dipoles At a predetermined 34.3 Ph
26、ysical characteristics. The Chaff Head shall be functionally compatible with the LAU-10( ) launcher and the rocket motor designated in the applicable specificati.on sheet (see 3.1). Neither the operational reliability of the launcher nor the effectiveness of the chaff payload shall be degraded when
27、the Chaff Head is used with this launcher. 4. Licensed by Information Handling ServicesMIL-C-5728 58 W 777770b 0376803 3.5 Standard conditions. The following conditions shall be used to establish normal performance characteristics under standard conditions. a. Temperature Room ambient (25 degrees i-
28、/- 10 degrees C) b. Altitude Normal ground c. Vibration None d. Humidity Room ambient up to 90 percent relative humidity 3.6 Service conditions. The Chaff Head shall operate as required under any of the environmental service conditions or combinations of these conditions specified in MIL-STD-810 and
29、 MIL-STD-331 as modified herein. Tolerances shall be in accordance with the general requirements of MIL-STD-810 and MIL-STD-331. 3.7 Performance requirements. Unless otherwise specified herein, values set forth to establish the specified performance apply to performance under both standard and extre
30、me service conditions. performance under extreme conditions is acceptable, to1 erances or val ues setting forth acceptable variations from the performance and standard conditions will be specified herein. 3.7.1 Performance characteristics. Performance characteristics shall be in accordance with MIL-
31、STD-2071 and this specification, when the Chaff Head is tested in accordance with the requirements specified herein. When reduced 3.8 Detail requirements. The Chaff Head contents shall meet the design, construction and physical requirements specified herein. shall be interpreted with DOD-D-1000 and
32、ANSI Y14.5. Drawings 3.8.1 Components. Each Chaff Head shall consist of a nose section, settable fuze, pyrotechnic devices, and a cy1 indrical body section, chaff payload, rocket motor adapter and other components and shall be of the material, dimensions, quality and quantity specified in this speci
33、fication and appl icable DL. 3.8.1.1 Nose section. The conical shaped nose section shall consist of a nose cap, fuze cover assembly and fuze housing. 3.8.1.2 Settable fuze. The settable fuze shall consist of a timing or other variable device in the applicable specification sheet (see 3.1) and be cap
34、able of inititating the center burster (see 3.8.1.3.1) at a predetermined point after launch. 3.8.1.3 Pyrotechnic device(s). The pyrotechnic device(s) shall consist of a center burster and others as specified in the applicable specification sheet (see 3.1). 5. Licensed by Information Handling Servic
35、esMIL-C-C7i 58 7999706 017b02 T MI L-C-85728 (AS) 3.8.1.3.1 Center burster. After launch and at a designated point equal to the preset, the primer striker shall initiate the fuze explosive train and detonate the center burster charge. This charge propels the chaff payload through the frangible case
36、(see 3.8.1.4.1). 3 8.1.4 Cy1 i ndri cal body sect i on. The cy1 i ndri cal body sect i on shall consist of a frangible case which contains the center burster, chaff payload/assembly(s) (see 3.8.1.5) and a rocket motor adapter (see 3.8.1.6). 3.8.1.4.1 Frangible case. The frangible case shall consist
37、of a material that fragments when the center burster charge is detonated. This shall propel the chaff assembly(s) radially outward from the Chaff Head. 3.8.1.5 Chaff. The chaff payload/assembly(s) (see 6.4.2) shall be as specified in the applicable specification sheet (see 3.1). 3.8.1.6 Rocket motor
38、 adapter. The threaded rocket motor adapter shall be attached to the end of the frangible case. The adapter shall allow the applicable rocket to be assembled to the Chaff Countermeasure. A shipping cap shall cover the threads of the adapter (see 3.8.1.6.1), 3.8.1.6.1 Shipping cap. The shipping cap s
39、hall be a removable item that protects the screw threads of the rocket motor adapter prior to assembly to the rocket motor. 3.8.2 Markings. The Chaff Head shall be marked in accordance with the requirements of MIL-STD-130, and the applicable DL. 3.8.3 Assembly(s). The Chaff Head shall be assembled i
40、n accordance with the requirements of this specification and applicable DL. The chaff muffins and muffin packs shall be positioned within the chaff assembly(s) as specified in the appl icable DL. 3.8.4 Weight. The minimum gross weight of the Chaff Head and chaff payload or chaff assembly(s) shall be
41、 as specified in the applicable specification sheet (see 3.1) and applicable DL. 3.9 Workmanship. The Chaff Countermeasure, including all parts shall be manufactured in accordance with the applicable DL and as specified herein. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unles
42、s otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements 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 perf
43、ormance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirem
44、ents. conduct all fl ight and ground launch acceptance tests. The Government will 6. Licensed by Information Handling ServicesNIL-C-S72 58 7777706 0376803 I MI L - C - 85728 (AS) 4.1.1 Responsi bil i ty for compl i ance. Al 1 i tems must meet al 1 requirements of Section 3 and 5. specification shall
45、 become a part of the contractors overall inspection system or quality assurance program, requirements in the specification shall not relieve the contractor of the responsibility of assuring that all products or supplies submitted to the Government for acceptance comply with all requirements of the
46、contract. Sampling in quality conformance does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to acceptance of defective material. The inspection set forth in this The absence of any inspection 4.1.2 Classification of inspections.
47、The inspections requirements specified herein are classified as follows: a. First Article Inspection (see 4.2). b. Initial Production Inspection (see 4.3). c. Qual i ty Conformance Inspecti on (see 4.4). 4.1.3 Lot information. A lot shall consist of a group of items of a specific configuration, prod
48、uced within the same time frame at one location, by the same production line and production technique, and submitted for acceptance, inspection, or use at one time. 4.2 First article inspection. First article inspection shall be conducted by the contractor on the Chaff Head and chaff payload that ar
49、e representative of the production units to be supplied under the contract. The Chaff Head and chaff payload shall be inspected according to the approved first article inspection procedure (see 4.5). shall be conducted prior to acceptance of the first article test procedure by the procuring activity. First article samples shall not be submitted for functional (Government) tests until in-house tests have been conducted in accordance with the approved test procedures, and the test results have been accepted by the contracting officer. No first article inspection 4.2.1 Scope of ins
