1、I INCH-POUND I MIL-PRF-52347D 25 March 1996 SUPERSEDING 21 November 1980 MIL-S-52347C PERFORMANCE SPECIFICATION SUSPENSION KIT, HOSELINE This specification is approved for us by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers a suspension kit
2、for use in suspending a hoseline system over rough terrain (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 section does not include documents cited in other section of this specification or recommended
3、 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 documents cited in sections 3 and 4 of this specification, whether or not they are listed. Beneficial comm
4、ents (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: U.S. Army Tank- automotive and Armaments Command, ATTN: AMSTA-TR-E/BLUE, Warren, MI 48397-5000, by using the Standardization Document Improvement Proposal (DD Fo
5、rm 1426) appearing at the end of this document, or by letter. AMSC N/A FSC 3835 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-52347D 2.2 Government documents.
6、 2.2.1 Specification, standards, and handbooks. The following specification, 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 Specificati
7、ons and Standards (DoDISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL GGG-B-490 QQ-S-698 - Cleaning Methods for Ferrous, Surface and Pretreatments - Sheet Steel and Strip, Low Carbon. for Organic Coatings. STANDARDS FEDERAL FED-STD-595 - Colors Used in Govern
8、ment Procurement. (Unless otherwise indicated, copies of the above specifications, standards, and handbooks are available from the Standardization document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19 1 1 1-5094.) 2.2.2 Other Government documents, drawings, and publications. The
9、following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWINGS DEPARTMENT OF DEFENSE D 13200E4792 - Saddle, Hose, Fabric. (Copies of these drawings are
10、available from the U.S. Army Tank-automotive and Armaments Command, AMSTA-TR-EBLUE, Warren, MI 48397-5000.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-52347D 2.3 Non-Government publications. The following documents form a part of this
11、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 cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS are the issues of the documents c
12、ited in the solicitation (see 6.2). AMERICAN SOCIETY FOR QUALITY CONTROL (ASQC) ANSUASQC 21.4 - Sampling Procedures and Tables for Inspections by Attributes (DoD Adopted). (Application for copies should be addressed to American National Standard Institute, 11 West 42nd Street, New York, NY 10036.) A
13、MERICAN STANDARDS AND TESTING MATERIALS (ASTM) ASTM F1145 - Standard Specification for Turnbuckets, Swaged Welded Forged. (Copies of ASTM publications may be obtained from the American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshochocken, PA 19428-2959.) SOCIETY OF AUTOMOTIVE
14、 ENGINEERS, INC. (SAE) SAE HS1086 - Metals and Alloys in the United Numbering System (UNS). (Application for copies should be addressed to the Society of Automotive Engineers, Inc., 400 Commonwealth Drive, Warrendale, PA 15096.) 2.4 Order of preference. In the event of a conflict between the text of
15、 this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subj
16、ected to first article inspection in accordance with 4.2. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PFW-52347D 3.2 Materials. Materials used shall be in accordance with the manufacturer?s materials specifications for the applicable items.
17、 The materials shall be capable of marking all of the operational and environmental requirements specified herein (see 4.5.1). Recovered materials shall be used to the maximum extent practicable. 3.2.1 Material deterioration prevention and control. The suspension kit shall be fabricated from compati
18、ble materials, inherently corrosion resistant or treated to provide protection against the various forms of corrosion and deterioration that may be encountered in any of the applicable operating and storage environments to which the suspension kit may be exposed (see 4.5.2). 3.2.2 Dissimilar metals.
19、 Dissimilar metals shall not be used in intimate contact with each other unless protected against galvanic corrosion (see 4.5.2). 3.3 Design and construction. The suspension kit shall consist of a chest and the components listed in table I (see 4.5.2). TABLE I. Chest ( Component Wire rope Manila rop
20、e Wire-rope clamps Shackles Hose saddles Steel pickets Steel blocks Turnbuckles Wire rope thimbles )mponents. Quantity 350 feet 350 feet 25 60 60 14 4 4 4 3.3.1 Chest. A suitable chest shall be provided for the components of the kit. The chest shall be not more than 22 inches in height. The chest sh
21、all have a hinged cover and latches to secure the closed position. The cover shall be self-supporting in the open position. Handles shall be provided. The handles shall of a size to enable lifting of the fully loaded chest by gloved personnel. The chest cover and front shall be labeled ?HOSELINE SUS
22、PENSION KIT? in 1 inch high letters. Bins, cradles, or blocking shall be provided for the components of the kit to prevent damage during shipment and handling. The chest shall be of sufficient strength to transport the kit components under all transport conditions. 3.3.1.1 Loading plan. A loading pl
23、an indicating the location of all items in the chest shall be furnished. The loading plan shall be permanently attached to the inside of the cover. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PFW-52347D 3.3.2 Kit components construction. 3.
24、3.2.1 Wire rope. The wire rope shall be a 0.375 inch diameter, general purpose type. It shall have a nominal strength of 4080 pounds (lbs) and an acceptance breaking strength of 3980 lbs (see 4.5.3). 3.3.2.2 Manila rope. The manila rope shall be mildew-resistant treated 0.50 inch (in.) diameter, sta
25、ndard 3 strand type. It shall have a minimum breaking strength of 2650 lbs. As an alternate, an equivalent non-metallic material may be used (see 4.5.4). 3.3.2.3 Wire rope clamps. Wire rope clamps shall be the single grip, single saddle type, 0.375 in. size, with U-bolts and nuts. Configuration deta
26、ils of clamp components may be the contractors design; however, the assembled clamp shall be representative of the illustration in figure 1. The inside width between the parallel U-bolt legs shall be sufficient to permit properly griping a rope double over. The clamps shall withstand, without distor
27、tion, 18.5 ft-lbs torque (see 4.5.5). FIGURE 1. Wire rope clamp. 3.3.2.4 Shackles. Shackles shall be the screw pin anchor type, 0.375 in. size, similar to figure 2. The shackles shall have a safe working strength of 1590 lbs, a proof strength of 3180 lbs, and a minimum breaking strength of 7950 lbs
28、(see 4.5.6). 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-52347D 3.3.2.5 Hose saddles. Hose saddles shall be constructed as shown on drawing D13200FA792. I - I 7 biL I Cs FIGURE 2. Shackle. 3.3.2.6 Steel pickets. The pickets shall be sol
29、id steel bars conforming to UNS G10200, UNS G10180 (see SAE HS1086), or equivalent strength material. The diameter shall be not less than 0.750 in. and the length shall be 35.75 in. ? 0.25 in. One end of each bar shall be sharpened to a 30-degree included angle point. 3.3.2.7 Steel blocks. The steel
30、 block shall conform to GGG-B-490, type II, single sheave, 4-inch shell length or commercial equivalent. Center pin diameter shall be not less than 0.360 in. Rig assemblies required for blocks shall be as specified (see 6.2). 6 Provided by IHSNot for ResaleNo reproduction or networking permitted wit
31、hout license from IHS-,-,-MIL-PFW-52347D 3.3.2.8 Turnbuckles. Turnbuckles shall conform to ASTM F1145, type I, grade 1, class E. 3.3.2.9 Wire rope thimbles. The wire rope thimbles shall be constructed of cold-rolled or hot-rolled steel conforming to QQ-S-698 or equivalent strength material. The wire
32、 rope thimbles shall be 0.375 in. size of split oval construction, semi-circular at the closed ends, with the sides tapering together at the free ends. The free ends shall have a rounded shape. Thimbles shall conform to the design shown in figure 3. 3.4 Treatment and painting. The portions of the ki
33、t normally painted shall be cleaned, treated, and painted in accordance with the materials being used. Unless otherwise specified (see 6.2), paint color shall be green 383, number 34094 of FED-STD-195. L 156min FIGURE 3. Wire rope thimble. 3.5 Identification marking. Identification marking shall be
34、permanent and legible and shall include as a minimum, the manufacturers name and part number and the National Stock Number (NSN). Special markings, if any, shall be as specified (see 6.2). 3.6 Workmanship. All components of the kit and chest shall be free of extraneous material such as sand, dirt, s
35、prues, scale, and flux. External surfaces shall be free from burrs, sharp edges, and corners. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PFW-52347D 3.6.1 Metal fabrication. Metal used in fabrication shall be free from kinks and sharp bends
36、. The straightening of material shall be done by methods that will not damage the material. Corners shall be square. Flame-cutting, using tips suitable for the thickness of the steel, may be employed instead of shearing and sawing. All bends shall be made with controlled means to ensure uniformity o
37、f size and shape. Precaution shall be taken to avoid overheating. Heated steel shall be allowed to cool slowly (see 4.5.2). 4. VERIFICATION 4.1 Classification of inspection. The inspection conditions specified herein are classified as follows: a. First article inspection (see 4.2). b. Conformance in
38、spection (see 4.3). 4.2 First article inspection. Unless otherwise specified (see 6.2), first article inspection shall be performed on preproduction or initial production samples as specified when a first article sample is required (see 3.1). This inspection shall include the examinations of 4.4 and
39、 the tests of 4.5.3 through 4.5.6.2 (see table 11). Category Major: 101 102 103 104 105 106 107 108 109 110 111 112 113 TABLE II. Classification of defects. Defect Material not as specified (see 3.2). Materials not resistant to corrosion and deterioration, or treated to be resistant to corrosion and
40、 deterioration for the applicable storage and operating environments (see 3.2.1). Dissimilar metals not effectively insulated from each other (see 3.2.2). Chest not as specified (see 3.3.1). Loading plan missing (see 3.3.1.1). Wire rope not as specified (3.3.2.1). Manila rope not as specified (see 3
41、.3.2.2). Wire rope clamps not as specified (see 3.3.2.3). Shackles not as specified (see 3.3.2.4). Hose saddles not as shown on drawing (see 3.3.2.5). Steel pickets not as specified (see 3.3.2.6). Steel blocks not as specified (see 3.3.2.7). Turnbuckles not as specified (see 3.3.2.8). Method of exam
42、ination Visual Visual Visual Visual Visual Visual Visual SIE I/ SIE SIE Visual SIE Visual 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PFW-52347D Title Wire rope tensile strength Manila rope breaking strength Wire rope clamp strength Shackle
43、 proof strength Shackle breaking strength Category 114 115 116 Minor: 201 203 Requirement 3.3.2.1 3.3.2.2. 3.3.2.3 3.3.2.4 3.3.2.4 TABLE II. Classification of defects - Continued. First article X X X X X Defect Wire rope thimbles not as specified (see 3.3.2.9). Workmanship not as specified (see 3.6)
44、. Metal fabrication not as specified (see 3.6.1). Conformance tests X X Treatment and painting not as specified (see 3.4). Identification marking missing, incomplete or illegible (see 3.5). Method of examination SIE Visual Visual Visual Visual I/ SIE = Standard Inspection Equipment. af inspectic Ins
45、pec- tion 4.5.3 4.5.4 4.5.5 4.5.6.1 4.5.6.2 4.3 Conformance inspection. Conformance inspection shall consist of the examinations of 4.4 and the tests of4.5.6.1 and4.5.6.2. 4.4 Examination. 4.4.1 Sampling. Samples from an inspection lot for conformance inspection shall be selected in accordance with
46、ANSUASQC 21.4. Any redesign or modification of the contractors standard to comply with specified requirements shall receive particular attention for adequacy and suitability. This element of inspection shall encompass all visual examinations and dimensional measurements of requirements of 3.2 throug
47、h 3.6 as listed in table II. Noncompliance with any specified requirement or presence of one or more defects preventing or lessening maximum efficiency shall constitute cause for rejection. 4.5 Method of inspection. 4.5.1 Materials. Conformance to 3.2 shall be determined by inspection of contractor
48、records providing proof or certification that materials conform to requirements. Applicable records shall include drawings, specifications, design data, receiving inspection records, 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PFW-52347D pr
49、ocessing and quality control standards, vendor catalogs and certifications, industry standards, test reports, and rating data. 4.5.2 Defects. Conformance to 3.2 through 3.6 shall be determined by examination for the defects listed in table III. Examination shall be visual, tactile, or by measurement with SIE. 4.5.3 Wire rope tensile strength test. To determine conformance to 3.3.2.1, the wire rope shal
