1、AMSC A/C FSC 4730 INCH-POUND A-A-2921B 9 December 2013 SUPERSEDING A-A-2921A 17 December 2002 COMMERCIAL ITEM DESCRIPTION COUPLING ASSEMBLIES AND MENDERS, HOSE The General Services Administration has authorized the use of this commercial item description by all federal agencies. 1. SCOPE. This comme
2、rcial item description (CID) covers the general requirements for coupling assemblies and menders, hose. Coupling assemblies and menders, hose covered by this CID are intended for commercial/industrial applications. 1. SCOPE. This commercial item description (CID) covers the general requirements for
3、coupling assemblies and menders, hose. Coupling assemblies and menders, hose covered by this CID are intended for commercial/industrial applications. 2. CLASSIFICATION/PART OR IDENTIFICATION NUMBER (PIN). This CID uses a classification system which is included in the PIN as shown in the following ex
4、amples (see 7.1). AA2921 C 1 A CID number Type Class Size 2.1 Types, classes and sizes. The coupling assemblies and menders shall be of the type, class and size as specified. Type. I - (Coupling) Code C II - (Mender) Code M Class. 1 - Non-reusable Code 1 2 - Reusable Code 2 Size. A - 5/8 Code A B -
5、3/4 Code B Beneficial comments, recommendations, additions, deletions, clarifications, etc., and any data that may improve this document should be sent to: DLA Land and Maritime, ATTN: VAI, P.O. Box 3990, Columbus OH 432183990, or email fluidflow.dla.mil. Since contact information can change you may
6、 want to verify the currency of the address information using the ASSIST Online database at https:/assist.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-2921B 2 Examples of PIN construction: AA2921C2B. This would be for a reusable coupl
7、ing for a 3/4-inch hose. AA2921C1A. This would be for a non-reusable coupling for a 5/8-inch hose. AA2921M1A. This would be for a non-reusable mender for a 5/8-inch hose. AA2921M2B. This would be for a reusable mender for a 3/4-inch hose. 3. SALIENT CHARACTERISTICS. 3.1 Interface and physical dimens
8、ions. Coupling assemblies and menders hose supplied to this CID shall be as specified herein (see figure 1). 3.1.1 Manufacturers standard commercial product. Except otherwise specified herein, the coupling assemblies and menders covered by this CID shall be the manufacturers standard commercial prod
9、uct. Materials not specifically specified shall be the quality used in commercial practice. Coupling assemblies and menders furnished under this CID shall meet the requirements as specified in this CID. Characteristics, materials and sizes to be used as follows: 3.1.2 Coupling assemblies: Used to re
10、place damaged male and female fittings used on 5/8 and 3/4-inch garden hoses. 3.1.3 Repair sizes: Used to repair 5/8 and 3/4-inch damaged or cut hoses, or to attach an additional length of hose without using the male or female fittings used on the coupling assemblies 3.2. Design and construction. Co
11、upling assemblies and menders, hose are intended for use with plastic or rubber garden hose 3.2.1 Coupling assemblies: Each coupling assembly shall be furnished with a male and female end. The male end of the coupling assembly shall be capable of being joined to the swivel end of the female connecti
12、on by a minimum of one full thread length. 3.2.2 Class 1: The coupling assemblies and menders shall have external zinc plated steel grippers capable of being attached to a hose without special tools. Each tube insert shall have a minimum of two cylindrical corrugations, with one corrugation engaged
13、by the gripping device. 3.2.3 Class 2: The coupling assemblies and menders shall be capable of being attached to a hose by means of an internal or external threaded device at the manufacturers option. If a special tool is required to engage the threads, the tool shall be furnished with each coupling
14、 assembly or mender. Menders without threaded devices shall have tube inserts with a minimum of three cylindrical corrugations. 3.3. Sizes: The sizes specified are the inside diameter of the hose the coupling assemblies and menders are to be used with. 3.4. Threads: Mating threads and threaded devic
15、es for the coupling assemblies and menders shall be the NH series in accordance with ASME B1.20.7. 3.5. Washer: A rubber washer shall be furnished as a component part of each coupling assembly. 3.6 Marking. Coupling assemblies and menders hose supplied to this CID shall be marked with the manufactur
16、ers (MFRs) standard commercial PIN. (NOTE: The part number marked on the unit pack shall be the CID PIN.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-2921B 3 3.7 Recycled, recovered, or environmentally preferable materials. Recycled, recovere
17、d, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs. 3.8 Workmanship. Coupling assemblies and menders hose shall be p
18、rocessed in such a manner as to be uniform in quality and shall be free from other defects that will affect life, serviceability, or appearance. 4. REGULATORY REQUIREMENTS. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with 23.403 of
19、 the Federal Acquisition Regulation (FAR). 5. PRODUCT CONFORMANCE PROVISIONS. 5.1 Product conformance. The products provided shall meet the salient characteristics of this CID, conform to the producers own drawings, specifications, standards, and quality assurance practices, and be the same product
20、offered for sale in the commercial market. The Government reserves the right to require proof of such conformance 5.2 Certification. Certification may be done as an option to testing by using the governments trusted suppliers and by with the procuring activity approval. The contractor shall certify
21、that the product offered meets the requirements of this document and manufactured to industry standards, and quality 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 fir
22、st delivery and thereafter as may be otherwise provided for under the provisions of the contract 6. PACKAGING. Preservation, packing, and marking shall be as specified in the contract or order. 7. NOTES. 7.1 PIN. The PIN should be used for Government purposes to buy commercial products to this CID.
23、See section 2 for PIN format examples. 7.2 Environmentally preferable material. Environmentally preferable materials should be used to the maximum extent possible to meet the requirements of this specification. As of the dating of this document, the U.S. Environmental Protection Agency (EPA) is focu
24、sing efforts on reducing 31 priority chemicals. The list of chemicals and additional information is available on their website http:/www.epa.gov/osw/hazard/wastemin/priority.htm. Included in the EPA list of 31 priority chemicals are cadmium, lead, and mercury. Use of these materials should be minimi
25、zed or eliminated unless needed to meet the requirements specified herein (see Section 3). 7.3 Commercial and Government Entity (CAGE) code. For ordering purposes, inventory control, and submission of these coupling assemblies and menders, hose to DLA Land and Maritime under the Parts Management Adv
26、isory Team (PMAT) program CAGE code 58536 should be used. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-2921B 4 7.4 Source of documents. FEDERAL REGULATIONS FAR Federal Acquisition Regulations (FAR) (Copies of these documents are available onli
27、ne at www.acquisition.gov/comp/far/index.html or from the U.S. Government Printing Office, 732 North Capital Street, NW, Washington D.C. 20401.) Other Publications ASME INTERNATIONAL ASME B1.20.7 - Hose Coupling Screw Threads (Inch) (Copies of these documents are available online at http:/www.asme.o
28、rg or from the ASME International, Three Park Avenue, New York, NY 10016-5990). 7.5 Ordering data. The contract or order should specify the following: a. CID document number, revision, and CID PIN. b. Product conformance provisions or certification. c. Packaging requirements. 7.6 Commercial products
29、. As part of the market analysis and research effort, this CID was coordinated with the following manufacturers of commercial products. At the time of CID preparation and coordination, these manufacturers were known to have commercial products that would meet the requirements of this CID. (NOTE: Thi
30、s information should not be considered as a list of approved manufacturers or be used to restrict acquisition to only the manufacturers shown.) MFRs /suppliers CAGE MFGs/suppliers name and address 61125 J.G.B. Enterprises Inc 115 Metropolitan Dr PO BOX 209 Liverpool, NY 13088-5389 Tel: (315) 451-277
31、0 5AJL3 Century Supply & Hose 7663 B Clinton HWY Powell, TN 37849-4110 Jeanette HARMON Tel: (865) 947-7911 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-2921B 5 4VU52 MATKOR Inc. 6524 Las Flores Dr Boca Raton, FL 33433-2365 Mati Korman Tel: (
32、561) 483-9240 74293 US Rubber Tech Inc 371 Shaw Rd South San Francisco, CA 94080-6607 James J Janakes Tel: (650) 952-8991 7.7 Legacy. This commercial item description is a replacement for WW-C-1692 for all federal agencies (WW-C-1692 is canceled as of 12-July-1995 and copies of these documents are
33、 available online at http:/quicksearch.dla.mil or from the U.S. Government Printing Office, 732 North Capital Street, NW, Washington D.C. 20401.) 7.8 Government users. To acquire information on obtaining these coupling assemblies and menders, hose from the Government inventory system, contact DLA La
34、nd and Maritime, ATTN DLA Land and Maritime Call Center (NAB), P.O. Box 3990, Columbus, OH 432183990 or telephone (614) 692-2271 or (614) 692-3191. 7.9 Changes from previous issues. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the ext
35、ensiveness of the changes Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-2921B 6 Coupling Assembly, Non-Reusable: Type 1, Class 1, Size A or B (Illustration not to scale) Coupling Assembly, Reusable Coupling Assembly, Reusable Type 1, Class 2, S
36、ize A Type 1, Class 2, Size B (Illustration not to scale) (Illustration not to scale) FIGURE 1. Physical Configuration. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-2921B 7 Coupling Assembly, Reusable: Type 1, Class 2, Size A or B (Illustratio
37、n not to scale) Mender, Non-reusable: Type 2, Class 1, Size A or B (Illustration not to scale) Mender, Reusable: Type 2, Class 2, Size A or B (Illustration not to scale) Note: These illustrations are not intended to preclude the purchase of couplings and menders of similar design, which are otherwis
38、e in accordance with the requirements of this CID. FIGURE 1. Physical configuration - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-2921B 8 MILITARY INTERESTS: CIVIL AGENCY COORDINATING ACTIVITY: Custodians: GSA FSS Air Force - 99 DL
39、A - CC Preparing activity: DLA - CC Review activity: Project 4730-2013-014 Air Force - 71 NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
