1、INCH-POUNDA-A- 5553530 SEP 1998SUPERSEDINGMIL-R-11521G29 October 1993COMMERCIAL ITEM DESCRIPTIONRINGS, EXPANSION, HOSE, BRASSThe General Services Administration has authorized the use of this commercial item description (CID) ,for all federal agencies.1. SCOPE. This CID covers the general requiremen
2、ts for rings, expansion, hose, brass. Expansionrings covered in this CID are intended for commercial/industrial applications. Typically the rings areused to secure hose and couplings together.2. CLASSIFICATION. The expansion rings shall conform to the following dimensions, tolerances, andsize.2.1 Di
3、mensions and tolerances . The outside diameter, length, and wall thickness shall be as specifiedin table 1. The ends of the rings shall be perpendicular to the centerline within 0.016 inch.2.2 Size . The nominal hose size and length of the rings shall be as specified in table 1.Beneficial comments,
4、recommendations, additions, deletions, clarifications, etc., and any data whichmay improve this document should be sent to: Defense Supply Center Columbus, ATTN.: DSCC-VAI, Columbus, Ohio 43216-5000.FSC 4730Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS
5、-,-,-A-A- 555352T able I. Sizes and dimensions .Nominal hosesizeRing outside diameter(A)Ring length +1/32, -0(B)Wall thickness(C)3/4 0.750 0.003 3/4, 1-1/4, 1-3/8 0.049 .0041 1.000 0.003 7/8, 1, 1-1/4 0.049 .0041-1/2 1.500 0.003 3/4, 1-1/4, 1-3/8 0.049 .0042 2.000 0.003 1, 1-3/8 0.049 .0042-1/2 2.50
6、0 0.004 1-1/4, 1-1/2 0.065 .0063 3.000 0.004 1-7/8 0.065 .0064 4.000 0.005 2 0.083 .006Note:1. All dimensions are in inches; see figure 12. The letters (A), (B), and (C) in column headings of table I refer to thecorresponding letters on figure 1.Figure 1. Rings, Expansion, Hose, Brass3. SALIENT CHAR
7、ACTERISTICS.3.1 Material . The rings shall be soft-annealed seamless brass tube conforming to ASTM B 135,(Seamless Brass Tube) Copper Alloy UNS No. 023000, Temper 06.3.1.1 Mechanical properties .3.1.2 Expansion . When tested as specified in ASTM B 135, the tubing from which the rings arefabricated s
8、hall not rupture or crack.3.1.3 Residual stress . When tested as specified in ASTM B 154 ( Mercurous Nitrate Test for Copper andCopper Alloys), the tubing from which the rings are fabricated shall not show evidence of stress corrosioncracking caused by residual stress.Provided by IHSNot for ResaleNo
9、 reproduction or networking permitted without license from IHS-,-,-A-A- 5553533.2 Finish . Annealed tubing from which the rings are fabricated shall be either bright annealed or acidcleaned after final annealing operations.3.3 Workmanship . The brass rings shall be free from sharp edges, nicks and b
10、ruises. Both ends of therings shall be rounded as shown on figure 1 to prevent injury during handling.4. REGULATORY REQUIREMENTS.4.1 Recovered materials . Th e offeror/contractor is encouraged to use recovered materials to themaximum extent practicable, in accordance with the Federal Acquisition Reg
11、ulation (FAR).5. QUALITY ASSURANCE PROVISIONS.5.1 Product conformance . T he products provided shall meet the salient characteristics of this CID,conform to the producers own drawings, specifications, standards and quality assurance practices, andbe the same product offered for sale in the commercia
12、l market. The Government reserves the right torequire proof of such conformance.5.2 Market acceptability . The following market acceptability criteria are necessary to document thequality of the product to be provided under the requirements of this CID.a. T he company producing the item must have be
13、en producing a product meeting therequirements of this CID, for at least two years.b. The company must have sold 1,000 units meeting this CID, in the commercial marketplaceor to the Government, over the past two years.6. PACKAGING.6.1 Preservation, packing and marking . Preservation, packing, and ma
14、rking shall be as specified in thecontract or order.7. NOTES .7.1 Part Identification Number (PIN) . The following P IN procedure is for government purposes and doesnot constitute a requirement for the contractor. This example describes a part numbering system for CIDA-A-XXXXX. See table II for corr
15、esponding CID dash numbers to nominal hose size and ring length.A-A- 55535 - 01_ _CID number Dash number(see table II)Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A- 5553547.2 Ordering data . The contract or order should specify the following:a.
16、 CID document number, revision, and CID PINb. Quality assurance provisionsc. Preservation, packing and marking as required. (see 5.1)7.3 National Stock Numbers ( NSNs) . The following NSNs correspond to this CID. The list is notindicative of all possible NSNs associated with this document.NSN CAGE P
17、ART NUMBER4730-00-243-9133 8T694 M11521-074730-00-243-9135 OHEV9 M11521-054730-00-243-9136 24871 M11521-02T able II. Nominal h ose s ize and r ing l ength .Nominal Ring l ength +1/32 - 0h ose s ize 3/4 7/8 1 1-1/4 1-3/8 1-1/2 1-7/8 23/4 -01 -05 -081 -031-1/2 -02 -06 -092 -04 -102-1/2 -07 -113 -124 -
18、137.4 Intended use . Expansion rings are used to secure hose and couplings together. The expansionring is inserted inside the end of a hose and expanded through a swaging process. The coupling andexpansion ring are securely fit together as one piece.7.5 Commercial p roducts . As part of the market a
19、nalysis and research effort, this CID wascoordinated with the following manufacturers of commercial products. At the time of CID preparationand coordination, these manufacturers were known to have commercial products that would meet therequirements of this CID. This information should not be conside
20、red as a list of approved manufacturersor be used to restrict procurement to only the manufacturers addressed.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A- 555355SUGGESTED SOU R CES OF SUPPLYManufacturers commercial Manufacturersand government
21、 entity (CAGE) name and address8T694 Red Head Brass Inc.643 Legion DriveShreve, OH 44676(330) 567-2903OHEV9 Technical Components Inc.3901 Industry Blvd., Bldg. 1, Ste 6Lakeland, FL 33811(813) 646-325324871 Harold D. Hard Co.2040 Oakland Park AvenueColumbus, OH 43224-3848(614) 471-97007.6 Government
22、users . To acquire information on obtaining these expansion rings from theGovernment inventory system, contact Defense Supply Center, Columbus, ATTN: DSCC-CM, P.O. Box3990, Columbus, OH 43216-5000, or telephone (614) 692-7884.7.7 SOURCE FOR REFERENCE DOCUMENTS .7.8 The American Society for Testing a
23、nd Materials (ASTM) may be obtained from; ASTM, 100 BarrHarbor Drive, West Conshohocken, Pennsylvania 19428-2959, phone: (610) 832-9585.MILITARY INTERESTS: CIVIL AGENCY COORDINATING ACTIVITY:GSA - FSSCustodians : Preparing activity:Army - AT DLA-CCAir Force - 99(Project 4730-0714)Review activit y :Air Force - 82Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
