1、AMSC N/A FSC 4720 INCH-POUND A-A-52047D 19 August 2013 SUPERSEDING A-A-52047C 5 May 2003 COMMERCIAL ITEM DESCRIPTION TUBING, NONMETALLIC (RUBBER AND PLASTIC) The General Services Administration has authorized the use of this Commercial item description for all federal agencies. 1. SCOPE. This commer
2、cial item description (CID) covers the general requirements for tubing, nonmetallic (rubber and plastic). Tubing, nonmetallic (rubber and plastic) covered by this CID is intended for commercial/industrial applications. 2. CLASSIFICATION/PART OR IDENTIFYING NUMBER (PIN). This CID uses a classificatio
3、n system that is included in the PIN as shown in the following example (see 7.1). AA52047 J CR 3 E C L CID Size Material Style Elect. Color Length number code code (attribute) code codes (See 2.4) (3ft or as needed. See 2.3) (See table l & 2.2) (See table ll) (See table lll) (Code E if required blan
4、k if not. See 3.2) Comments, suggestions, or questions on this document should be addressed to DLA Land and Maritime, Attn: VAI, 3990 East Broad Street, Columbus, OH 43218-3990 or fluidflow.dla.mil. Since contact information can change, you may want to verify the currency of this address information
5、 using the ASSIST Online at https:/assist.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52047D 2 TABLE I. Size codes. Dimension (inch) Size code 1/8 J 3/16 A 1/4 B 5/16 C 3/8 D 1/2 E 5/8 F 3/4 G 1 H TABLE II. Material codes. Material T
6、ype code Material PIN code Commercial rubber tubing I CR Synthetic rubber tubing II SR Natural rubber compound tubing III NR Latex tubing IV LT Laboratory pure gum natural rubber or synthetic tubing V LP Plastic tubing VI PT TABLE III. Style (attribute) codes. Attribute Class code PIN code Light wal
7、l 1 1 Heavy wall 2 2 Pressure 3 3 Gooch 4 4 Vacuum 5 5 General use 6 6 Pressure & vacuum 7 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52047D 3 2.1 Type. The tubing covered by this CID should be of the following types and classes. 2.1.1 Typ
8、e I, Commercial rubber tubing. Type I tubing should be natural rubber, synthetic rubber, or a mixture of the two in the following classes: Class 1 - Light wall. Class 2 - Heavy wall. Class 3 - Pressure. Class 4 - Gooch. 2.1.2 Type II, Synthetic rubber tubing. Type II tubing should be compounded from
9、 synthetic rubber in the following classes: Class 1 - Light wall. Class 2 - Heavy wall. Class 5 - Vacuum connections. 2.1.3 Type III, Natural rubber compound tubing. Type III should be compounded from natural rubber (inside diameter as shown in 2.2 below with a tolerance of 0.062 inch, wall thicknes
10、s of 0.062 0.016 inch, (Length of 3 feet 1 inch). 2.1.4 Type IV, Latex tubing. Type IV tubing should be made from liquid natural rubber latex. 2.1.5 Type V, Laboratory pure gum, natural rubber, or synthetic tubing. Type V tubing shall be natural rubber or synthetic equivalent (CIS 1-4 polyisoprene)
11、in the following classes: Class 1 - Light wall. Class 2 - Heavy wall. Class 3 Pressure. Class 4 Gooch. 2.1.6 Type VI, Plastic tubing. Type VI plastic tubing should contain polyvinyl chloride as the base material in the following classes: Class 6 - General use. Class 7 - Pressure and vacuum. 2.2 Size
12、. The tubing covered by this CID should be of the following nominal sizes (in inches). 1/8 3/16 1/4 5/16 3/8 1/2 5/8 3/4 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52047D 4 2.3 Length. Lengths should be 3 feet 1 inch by default or as neede
13、d. 2.4 Color. Color as follows: Color type Material PIN code Any color A Black B Clear C Translucent, amber T 3. SALIENT CHARACTERISTICS. 3.1 Interface and physical dimensions. Tubing, nonmetallic (rubber and plastic) supplied to this CID shall be as specified herein. 3.2 Description. The tubing sha
14、ll be manufactured for use in laboratory procedures and special uses where softness and high purity are required and when electrical conductivity may be required. The physical properties shall be as shown in table I. 3.2.1 Specific gravity. The tubing shall have a specific gravity as defined in tabl
15、e I when tested in accordance with ASTM D792. 3.2.2 Tensile strength. 3.2.2.1 Initial. The tubing shall have an initial tensile strength as defined in table I when tested in accordance with ASTM D412. 3.2.2.2 Air heat test. The tubing shall have a tensile strength as defined in table I when tested i
16、n accordance with ASTM D573. 3.2.2.3 Immersion. The tubing shall have a tensile strength as defined in table I when tested in accordance with ASTM D543. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52047D 5 TABLE IV. Physical properties. 1/ Pr
17、operty Type I Type II Type III Type IV Type V Type VI Specific gravity (maximum) 1.4 - - - 0.97 - Tensile strength: Initial (psi) (minimum) 2400 1100 1200 3500 3000 2000 After air heat aging (7 days) (% of initial) (minimum) 75 75 75 75 1/75 - After 14 days immersion in a 3% salt solution at 82 F (2
18、8 C) (psi) (minimum) - - - - - 2000 Ultimate elongation: Initial (%) (minimum) 650 450 400 750 700 300 After 14 days immersion in a 3% salt solution at 82 F (28 C) (%) (minimum) - - - - - 300 Tensile stress at 100% elongation (psi) (maximum) 150 200 300 - 125 800 1/ Except that type IV tubing, 0.125
19、-inch inside diameter, shall retain a minimum of 65% of its original strength. 3.2.3 Ultimate elongation. 3.2.3.1 Initial. The tubing shall have an initial ultimate elongation as defined in table I, when tested in accordance with ASTM D412. 3.2.3.2 Immersion. The tubing shall have a tensile strength
20、 as defined in table I, when tested in accordance with ASTM D543. 3.2.4 Tensile stress at 100% elongation. The tubing shall have a maximum tensile stress at 100% elongation as defined in table IV, when tested in accordance with ASTM D412. 3.3 Electrical conductivity. When specified (see 7.4), the tu
21、bing shall be electrically conductive. The maximum resistance value over a 3-foot section of electrically conductive tubing shall be 1.0 megohm when tested in accordance with the applicable procedures specified in NFPA 99 except that the electrodes shall be attached at or near both ends of the tubin
22、g, before and after exposure to oxygen aging, liquid ethyl ether, oil immersion, and flexing. 3.3.1 Oxygen aging. The two 3-foot lengths of electrically conductive rubber tubing shall be aged as specified in ASTM D572 for a period of 94 1/2 hours. 3.3.2 Liquid ethyl ether. The two 3-foot lengths of
23、electrically conductive rubber tubing shall be maintained for 5 hours full of ethyl ether in the liquid phase. 3.3.3 Oil immersion. The two 3-foot lengths of electrically conductive rubber tubing shall be immersed in oil conforming to ASTM D471, No. 2, for 120 hours at a temperature of 73.4 3.6 F (2
24、3 2 C). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52047D 6 3.3.4 Flexing. The two 3-foot lengths of electrically conductive rubber tubing shall be passed back and forth over a pulley 1.750 inches in diameter. One end of the tubing shall be
25、fixed vertically with the end facing down. The tubing shall pass over the pulley so that the movable end will hang vertically downward. A 5-pound weight shall be suspended from the second end. The pulley shall be caused to raise and lower vertically for a distance of 2 feet at a rate of 50 times (25
26、 cycles) per minute for 2,500 cycles. 3.4 Dimensions. Dimensions and tolerances shall be as shown in tables V through VIII for the types indicated. TABLE V. Dimensions for type I and type V (inches). Nominal size Class 1, light wall Class 2, heavy wall Class 3, pressure Class 4, gooch Inside diamete
27、r 0.016 Wall thickness 0.016 Inside diameter 0.016 Wall thickness 0.016 Inside diameter 0.016 Wall thickness 0.016 Inside width measured flat 0.016 1/8 .125 .031 .125 .062 .125 .188 1.250 3/16 .188 .047 .188 .094 .188 .188 1.500 1/4 .250 .062 .250 .094 .250 .188 1.750 5/16 .312 .062 .312 .094 .312 .
28、188 3/8 .375 .062 .375 .125 .375 .250 1/2 .500 .094 .500 .125 .500 .250 5/8 - - .625 .125 - - 3/4 - - .750 .125 - - 1 - - 1.000 .125 - - TABLE VI. Dimensions for type II tubing (inches). Nominal size Class 1,l wall Class 2, heavy wall Class 5, vacuum connections Inside diameter 0.016 Wall thickness
29、0.016 Inside diameter 0.016 Wall thickness 0.016 Inside diameter 0.016 Wall thickness 0.016 1/8 .125 .047 .125 .094 .188 .188 3/16 .188 .047 .188 .094 .250 .188 1/4 .250 .062 .250 .125 - - 5/16 .312 .062 .312 .125 - - 3/8 .375 .062 .375 .125 - - 1/2 .500 .062 .500 .125 - - 5/8 .625 .062 .625 .125 -
30、- 3/4 - - .750 .125 - - 1 - - 1.000 .125 - - TABLE VII. Dimensions and tolerance, type IV tubing (inches). Nominal size Inside diameter 0.016 wall thickness Tolerance 1/8 .125 .031 .008 3/16 .188 .094 .016 1/4 .250 .062 .016 5/16 .312 .062 .016 Provided by IHSNot for ResaleNo reproduction or network
31、ing permitted without license from IHS-,-,-A-A-52047D 7 TABLE VIII. Dimensions and tolerance for type VI tubing (inches). Nominal size Class 6, general use Class 7, pressure and vacuum connections Inside diameter 0.016 Wall thickness 0.016 Inside diameter 0.016 Wall thickness 0.016 1/8 .125 .094 .12
32、5 .250 3/16 .188 .094 .188 .250 1/4 .250 .125 .250 .250 5/16 .312 .125 - - 3/8 .375 .125 - - 1/2 .500 .125 - - 5/8 .625 .125 - - 3/4 .750 .125 - - 1 1.000 .125 - - 3.5 Physical properties. In addition to the physical properties specified in table I, type VI tubing shall meet the following requiremen
33、ts. 3.5.1 Swelling. There shall be not more than 2% swelling of the tubing after immersion for 14 days in a 3% salt solution at 82 F (28 C). 3.5.2 Resistance to cold. There shall be no signs of cracking when the tubing is bent back upon itself at -1 2 F (-18 1 C). 3.5.3 Flammability. Type VI tubing
34、shall be exposed to an open flame for 15 seconds and then removed from the flame. The tubing shall self-extinguish within 5 seconds. 3.6 Materials. Materials used shall be free from defects that would adversely affect the performance or maintainability of individual components or of the overall asse
35、mbly. Materials not specified herein shall be of the same quality used for the intended purpose in commercial practice. The term “recovered materials” means materials that have been collected or recovered from solid waste and reprocessed to become a source of raw materials, as opposed to virgin raw
36、materials. None of the above shall be interpreted to mean that that the use of used or rebuilt products is allowed under this specification unless otherwise specified (see 7.4). 3.7 Marking. Tubing, nonmetallic (rubber and plastic) supplied to this CID shall be marked with the manufacturers (MFRs) s
37、tandard commercial PIN. (NOTE: The part number marked on the unit pack shall be the CID PIN.) 3.8 Workmanship Tubing, nonmetallic (rubber and plastic) shall be processed in such a manner as to be uniform in quality and shall be free from other defects that will affect life, serviceability, or appear
38、ance 4. REGULATORY REQUIREMENTS. The offerer/contractor is encouraged to use recovered material to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). 5. PRODUCT CONFORMANCE PROVISIONS. 5.1 Product conformance. The products provided shall
39、meet the salient characteristics of this CID, conform to the producers own drawings, specifications, standards, and quality assurance practices, and be the same product offered for sale in the commercial marketplace. Provided by IHSNot for ResaleNo reproduction or networking permitted without licens
40、e from IHS-,-,-A-A-52047D 8 5.2 Certification. Certification must be done with the procuring activity approval. The contractor shall certify that the product offered meets the salient characteristics of the description and conforms to the producers own drawings, specifications, standards, and qualit
41、y assurance practices, and is the same as the product offered for sale in the commercial marketplace. The government reserves the right to require proof of such conformance prior to first delivery and thereafter as may be otherwise provided for under the provisions of the contract. 6. PACKAGING. Pre
42、servation, packing, and marking shall be as specified in the contract or purchase order. 7. NOTES. 7.1 PIN. The PIN should be used for Government purposes to buy commercial products to this CID. See section 2 for PIN format example. 7.1.1 Example of PIN. The example PIN, AA52047CI3, provided in sect
43、ion 2 specifies a 5/16 inch inside diameter (C), commercial rubber tube (Type I), for pressure use (class 3). 7.2 Commercial and Government Entity (CAGE) code. For ordering purposes, inventory control, and submission of these tubing, nonmetallic, (rubber and plastic) to DLA Land and Maritime under t
44、he Military Parts Control Advisory Group (MPCAG) evaluation program, CAGE code 58536 should be used. 7.3 Source of documents. FEDERAL REGULATIONS FAR Federal Acquisition Regulations (FAR) (Copies of these documents are available online at http:/www.acquisition.gov/comp/far/index.html or from the U.S
45、. Government Printing Office, 732 North Capital Street, NW, Washington D.C. 20401.) Other Publications ASTM INTERNATIONAL ASTM D412 - Standard Test Methods for Vulcanized Rubber and Thermoplastic Rubbers and Thermoplastic Elastomers- Tension ASTM D471 - Standard Test Method for Rubber Property - Eff
46、ect of Liquids ASTM D543 - Standard Practices for Evaluating the Resistance of Plastics to Chemical Reagents. ASTM D572- Standard Practice for Air-Oven Aging of Polyolefin Geomembranes ASTM D573 - Standard Test Method for Rubber-Deterioration in an Air Oven ASTM D792 - Standard Test Methods for Dens
47、ity and Specific Gravity (Relative Density) of Plastics by Displacement (Copies of these documents are available online at http:/www.astm.org or from the ASTM International, P.O. Box C700, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) Provided by IHSNot for ResaleNo reproduction or netwo
48、rking permitted without license from IHS-,-,-A-A-52047D 9 NATIONAL FIRE PROTECTION ASSOCIATION (NFPA) NFPA 99 - Standard for Health Care Facilities (Copies of these documents are available online at http:/www.nfpa.org or from the National Fire Protection Association, 1 Battery March Park, Quincy, MA 02269-9101.) 7.4 Ordering data. The contract or order should specify the following: a. CID document number, revision, and CID PIN. b. Product conformance provisions. c. Packaging requirements. 7.5 Commercial products. As part of the market analysis and rese
