1、MIL-DTL-85LLQB W 9499C?Qb 2056852 934 I INCH-POUND I MIL-DTL-85 1 10B(AS) 22 September 1997 SUPERSEDING 30 August 1991 MIL-B-85110A(AS) DETAIL SPECIFICATION BAR, REPEATABLE RELEASE HOLDBACK (RRHB), AIRCRAFT LAUNCHING, GENERAL REQUIREMENT FOR This specification is approved for use by the Naval Air Sy
2、stems 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 specification establishes the requirements for the design, construction, performance, and test of the repeatable release holdback bar (RRHB) for use
3、on carrier-type aircraft. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples.
4、 While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. Beneficial comments (recommendat
5、ions, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Air Warfare Center Aircraft Division, Code 414100B 120-3, Highway 547, Lakehurst, NJ 087533- 5 100, by using the Standardization Document Improvement Proposal (D
6、D Form 1426) appearing at the end of this document or by letter. AMSC NfA FSC 1720 DISTIUBUTION STATEMENT A. Approved for public release; distribution is unlimited. Licensed by Information Handling ServicesMIL-DTL-BSLLOB m Ob 2056853 870 m , MIL-DTL-85 1 lOB(AS) 2.2.1 Swcifications, standards, and h
7、andbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. 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 supple
8、ment thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL QQ-C-320 - Chromium Plating (Electrodeposited) QQ-P-4 1 6 - Plating, Cadmium (Electrodeposited) QQ-S-365 - Silver Plating Electrodeposited: General QQ-N-290 Nickel Plating (Electrodeposited) Requirements for DEPARTMENT OF DEFE
9、NSE DOD-D-1000 MIL-C-554 1 MIL-H-6875 MIL-F-7 179 MIL-F-7 190 MIL-S-85 16 MIL-A-8625 MIL-C-8837 MIL-A-8863 MIL-P- 15024 MIL-F- 18264 MIL-A-2 1 180 MIL-A-2277 1 MIL-D-23003 MIL-S-23586 Drawings, Engineering and Associated Lists Chemical Conversion Coatings on Aluminum and Aluminum Alloys Heat Treatme
10、nt of Steel, Process for Finishes, Coatings, and Sealants for the Protection of Aerospace Weapons Systems Forging, Steel, for AircrafVAerospace Equipment and Special Ordnance Applications Sealing Compound, Polysulfide Rubber, Electric Connectors and Electric Systems, Chemically Cured Anodic Coatings
11、, for Aluminum and Aluminum Coating, Cadmium (Vacuum Deposited) Airplane Strength and Rigidity Ground Loads or Navy Acquired Airplanes Plates, Tags and Bands for Identification of Equipment Finishes: Organic, Weapons System, Application, and Control of Aluminum Alloy Castings, High Strength Aluminum
12、 Alloy Forgings, Heat Treated Deck Covering Compound, Non-slip, Rollable Sealing Compound, Electrical, Silicone Rubber, Accelerator Required Alloys 2 Licensed by Information Handling Services- MIL-DTL-85LLOB = 0b 205b854 707 MIL-DTL-85110B(AS) MIL-M-24041 - Molding and Potting Compound, Chemically M
13、IL-M-437 19 - Marking Materials and Markers, Adhesive, MIL-H-81200 - Heat Treatment of Titanium and Titanium Alloys Cured, Polyurethane Elastomeric, Pigmented, General Specification for STANDARDS FEDERAL FED-STD-595 - Colors used in Government Procurement DEPARTMENT OF DEFENSE MIL-STD- 100 MIL-STD-
14、130 MIL-STD-8 10 MIL-STD-838 MIL-STD-889 MIL-STD- 1472 MIL-STD-2 175 HANDBOOKS MIL-HDBK-5 MIL-HDBK-132 MIL-HDBK-46855 - BULLETINS MIL-BUL- 147 - Engineering Drawing Practices Identification Marking of U.S. Military Property Environmental Test Methods and Engineering Guidelines Lubrication of Militar
15、y Equipment Dissimilar Metals Human Engineering Design Criteria for Military Systems, Equipment and Facilities Castings, Classification and Inspection of Metallic Materials and Elements of Aerospace Vehicle Structures Protective Finishes for Metai and Wood Surfaces Human Engineering for Military Sys
16、tems, Equipment and Facilities Specifications and Standards for Non-Government Organizations Released for night Vehicle Design and Construction (Unless otherwise indicated, copies of federal and Department of Defense (DoD) specifications, standards, handbooks, and bulletins are available from the St
17、andardization Document Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 191 11-5094.) 5 Licensed by Information Handling Services MIL-DTL-85LLOB M 9999906 2056855 br(3 . MIL-DTL-85 1 lOB(AS) 2.2.2 Other Government documents, drawings. and mblications. The following other Government docu
18、ments, drawings, and publications form a part of this specification to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWINGS NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION LAKEHURST (NAWCADLKE) (Cage Code 80020) 607770 - Design Requirements, Ca
19、taputing Arrangement, Nose Gear Type Launch (Copies are available from the Naval Air Warfare Center Aircraft Division, Code 7.2.5.2, Highway 547, Lakehurst, NJ 08733-5059.) PUBLICATIONS NAVAL AIR SYSTEMS COMMAND (NAVAIR) AD-1350 - Engineering Drawings and Associated Data (Copies are available from C
20、ommander, Naval Air Systems Command, Code AIR4 1, Building 2185, Suite 2143,22347 Cedar Point Road Unit 6, Patuxent River, MD 20670-1 161.) 2.3 Non-Government mblications. The foliowing document(s) form a part of this document to the extent specified herein. Unless otherwise specified, the issues of
21、 the documents which are DoD adopted are those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are the issues of the documents cited in the solicitation (see 6.2). AMERICAN SOCIETY FOR TESTING AND MATERIALS (AS
22、TM) ASTM-B545 - Tin, Electrodeposited Coatings Of (DoD adopted) ASTM-B607 - Coatings, Autocatalytic Nickel Boron, For Engineering Use (DoD adopted) ASTMB633 - Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel (DoD adopted) ASTME1444 - Particle Examination, Magnetic OD ad
23、opted) 4 Licensed by Information Handling ServicesMIL-DTL-5LLOB 9999906 2056856 58T MIL-DTL-85 1 lOB(AS) (Applications for copies should be addressed to the American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. SOCIETY FOR AUTOMOTIVE ENGINEERS (SAE) Aer
24、ospace Material Specification (AMs) SAE-AMs2770 - Heat Treatment of Wrought Aluminum Alloy Parts (DoD adopted) 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,
25、however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Materials. Materials shall conform to applicable specifications and shall be as specified herein and on applicable drawings. Design shall make maximum use of standard parts, materia
26、ls and processes, rather than special or peculiar items. Materials, which are not covered by government specifications or not specifically described herein, shall be approved by the acquiring activity. 3.1.1 Metal arts. All metal parts shall be corrosion-resistant or treated in a manner to render th
27、em resistant to corrosion. Unless protected against electrolytic corrosion, dissimilar metals, as defined in MIL-STD-889, shall not be used in contact with each other. General design information governing usage of metals is furnished in MIL-HDBK-5, Volumes 1 and 2. Metals which are not covered by go
28、vemment specifications or which are not specifically described herein shall be approved by the acquiring activity. 3.1.1.1 Heat treatment. Heat treatment of aluminum parts and steel parts shall be in accordance with SAE-AMs2770 and MIL-H-6875, respectively. Heat treatment of titanium and titanium al
29、loy shall be in accordance with MIL-H-81200. 3.1.1.2 Magnetic uarticle insmction. Magnetic particle inspection of ali ferromagnetic materials shall be in accordance with ASTM-E1444. 3.1.1.3 Castings. Castings shall conform with the requirements of MIL-STD-2175. In addition, aluminum alloy castings s
30、hall conform to the requirements of MIL-A-2 1 180. 3.1.1.4 Fornings. Steel forging shall conform to the requirements of MIL-F-7 190. Critical steel forging shall meet the requirements for MIL-F-7 190 Grade A forgings. Aluminum forgings shall conform to the requirements of MIL-A-2277 1. 5 Licensed by
31、 Information Handling ServicesMIL-DTL-85LLOB m 0b 205b857 YLb D MIL-DTL-85 1 10B(AS) 3.1.1.5 Magnesium and magnesium alloys. Magnesium and magnesium alloy parts shall not be used. 3.1.2 Non-metallic components. Non-metallic components shall be designed to minimize deterioration caused by abrasion an
32、d exposure to sunlight, microorganisms, fungi, moisture, heat, fuel, hydraulic and lubricating oil and grease, and salt spray. Protection shall be provided for those non-metallic components for which strength degradation associated with abrasion or exposure-induced deterioration can endanger the sys
33、tem user. All cover materials shall be flame resistant and shall not produce toxic gases when subjected to high temperature or flame. Materials that are nutrients for fungi shall be treated with a fungicide agent approved by the Government acquiring activity. Under no circumstances shall polyester e
34、lastomers be used in fabricating molded components or potting or sealing applications without specific approval. Flexible epoxy resins and adhesives and other flexible materials having ester linkages shall be tested for hydrolytic stability. 3.1.3 Lubrication. Lubricants and lubrication practices sh
35、all conform to the requirements of MIL-STD-838. Any lubricants not meeting the requirements of MIL-STD-838 shall require approval from the acquiring activity for their use. Lubricants shall function satisfactorily throughout the temperature range as specified in 3.3.5.1. Choice of lubricants shall:
36、(a) reduce the hazards to non-metallic system components, (b) reduce damage to finishes adjacent to location of lubricant application, and (c) eliminate the need for frequent relubrication by field maintenance activities. If relubrication is required, choice of lubricants and practices should be suc
37、h that relubrication need be accomplished only during inspection, calibration or overhaul periods. 3.1.4 Decalcomanias. Decalcomanias shall conform to the requirements of MIL-M-437 19. 3.1.5 Potting comuounds. Potting compounds shall be selected from those listed on the Qualified Products List (QPL)
38、 for MIL-S-8516, MIL-S-23586, and MIL-M-24041 and which have competed tests to the Government acquiring activitys satisfaction to demonstrate their hydrolytic stability. 3.1.6 Fungus-uroof materials. To the greatest extent practicable, the materials used in the Repeatable Release Holdback Bar (RRHB)
39、 shall be non-nutrients for fungi. If materials that are nutrients for fungi must be utilized, such materials shall be approved by the acquiring activity. 3.1.7 Corrosion protection. Protective coatings and finishes shall be in accordance with MIL-F-7179 unless otherwise specified in the RRHB detail
40、 specification. 3.1.7.1 Finishes. General guidance in the application and control of organic finishes is provided in MLF-18264 and MIL-HDBK-132. 6 Licensed by Information Handling ServicesNIL-DTL-85LLOB = 99999Ob 205b858 352 MLDTL-851 lOB(AS) 3.1.7.2 Anodizing. All aluminum and aluminum alloy parts,
41、 except those subject to wear, shall be anodized in accordance with MIL-A-8625, Type II anodic coating. Anodic coatings for all aluminum and aluminum alloy parts subject to wear shail conform to MIL-A-8625, Type III. Fatigue critical aluminum and aluminum alloy parts shall utilize MIL-A-8625, Type I
42、 anodic coating or luminum (99.5% pure) coating. 3.1.7.2.1 Chemical surface treatment. For aluminum and aluminum alloy parts not subject to wear, abrasion or erosion, chemical conversion surface treatment in accordance with MIL-C-5541 may be used in lieu of anodizing if the parts are to be painted.
43、3.1.7.3 Metal coatings. The metals used in the RRHB shall possess adequate corrosion resistant characteristics or shall be protected by the use of coatings equivalent to those listed in Table I to resist corrosion which may result from such conditions as, but not limited to, dissimilar metal combina
44、tions, moisture, salt spray, and high temperature deterioration. Where not indicated, class or type is at the option of the manufacturer, subject to approval by the acquiring activity. Dissimilar metals are defined in MIL-STD-889. Unless otherwise specified herein, physical properties of all metals
45、shall meet the minimum requirements of MIL-HDBK-5, Volumes 1 and2. 3.2 Drawings. Drawing requirements shall be specified by the acquiring activity in accordance with MIL-STD-100 and AD-1350 instructions. Generally all categories of drawings established in DOD-D-1000 will be required. Unless otherwis
46、e directed by the Government acquiring actiuity, all drawings shall conform to the requirements established in DOD-D- lo00 for Level 2 Drawings. 3.3 Desim and construction. The RRHB shall be designed and constructed to meet the requirements of this specification and the applicable drawings. 3.3.1 Di
47、mensions. The RRHB shall be designed with the deck end configurations and dimensions as shown in NAWCADLKE Drawing 607770. 3.3.2 Weight. The weight of the RRHB shall be kept to a minimum. The contractor shall conduct a weight control program during the design phase to ensure a design of minimum weig
48、ht. 3.3.3 Owratinn characteristics. The RRHB shall meet the following functional requirements. a. The RRHB shall not depend upon failure type elements for operation. b. The RRHB shall permit rapid and easy attachment to the aircraft, and be fdy held after installation. 7 Licensed by Information Hand
49、ling ServicesflIL-DTL-85LLOB = 9999906 2056859 299 MIL-DTL-85 110B(AS) c. The RRHB shall be designed to operate satisfactorily when it is rotated 180“ about its longitudinal axis during installation. TABLE I. Metal coatings. Coating Cadmium plating Cadmium plating Zinc plating Chromium plating Nickel plating Sliver plating Tin plating Nickel boron coating Specification QQ-P-416, type II, Class 2 I/ MIL-C-8837, type II class 1 a ASTM B633, type II, class 2 QQ-C-320 QQ-N-290 QQ-S-365 ASTM B545 ASTM B607 - 1/ For steels heat treated up to 180,000 psi. - 2/ For steels
