1、INCH-POUNDA-A-59614August 21, 2001SUPERSEDINGWW-C-624EAugust 21, 1989COMMERCIAL ITEM DESCRIPTIONCOUPLING ASSEMBLY, HOSE (GARDEN, WATER, AND WATER SUCTION)The General Services Administration has authorized the useof this commercial item description for all federal agencies.1. SCOPE. This CID covers t
2、he general requirements for couplings used with garden, water, andwater suction hose. Coupling assemblies covered by this CID are intended for commercial/industrialapplications.2. CLASSIFICATION. This CID uses a classification system which is included in the Part IdentificationNumber (PIN) as shown
3、in the following example (see 7.1).AA59614 -1G -1 -04CID number Type and Class Style Size(See table I) (See table I) (See table II)2.1 Type, Class, Styles and Size. The coupling assemblies are of the following types, classes, styles,and sizes as specified below (see 7.1):Type I - Ribbed shank (see f
4、igure 1).Style 1 - Short shank with octagon or hex swivel.Style 2 - Short shank with pin lug swivel.Style 3 - Long shank with octagon or hex swivel.Style 4 - Long shank with pin lug swivel.Class A - Garden hose.Sizes - .50, .625, and .75 inch (nominal).Class AA - Water hose.Sizes - .75, 1.00, 1.25,
5、1.50, 2.00, 2.50, 3.00, 3.50, 4.00, 4.50, 5.00, and 6.00 inches (nominal).Beneficial comments, recommendations, additions, deletions, clarifications, etc., and any data whichmay improve this document should be sent to: Defense Supply Center, Columbus, ATTN: DSCC-VAI,Post Office Box 3990, Columbus OH
6、 43216-5000, or telephone (614) 692-0538, or facsimile (FAX)(614) 692-6939.AMSC N/A FSC 4730DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-596142Type II - Expansion
7、 shank or compression ferrule (see figure 2).Style 5 - Expansion shank.Style 6 - Compression ferrule.Class A - Garden hose.Sizes - .50, .625, and .75 inch (nominal).Class AA - Water hose.Sizes - .50, .625, .75, and 1.00 inch (nominal).Type III - Expansion ring (see figure 3).Style 7 - Rocker lug swi
8、vel.Style 8 - Pin lug swivel.Style 9 - Long handle swivel.Class AA - Water hose.Sizes - 1.50, 2.00, 2.50, 3.00, 3.50, 4.00, 4.50, 5.00, and 6.00 inches (nominal).Class B - Water suction hose.Sizes - 1.50, 2.00, 2.50, 3.00, 3.50, 4.00, 4.50, 5.00, and 6.00 inches (nominal).TABLE I. Pin codes for type
9、, class, and style.Type Class Style Pin type Pin style codeandclass codeI A 1 1G 12 1G 23 1G 34 1G 4AA 1 1W 12 1W 23 1W 34 1W 4II A 5 2G 56 2G 6AA 5 2W 56 2W 6III AA 7 3W 78 3W 89 3W 9B 7 3S 78 3S 89 3S 9Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-
10、,-A-A-596143TABLE II. Size codes for all types. 1/Class A Class AA Class B Pin sizecodesize size size.50 -04.625 -05.75 .75 -06 1.00 -08 1.25 -10 1.50 1.50 -12 2.00 2.00 -16 2.50 2.50 -20 3.00 3.00 -24 3.50 3.50 -28 4.00 4.00 -32 4.50 4.50 -34 5.00 5.00 -40 6.00 6.00 -481/ The size indicates the nom
11、inal size of the coupling to fit thehose with that ID. For example, size .50 is for a coupling to fit the.50 inch ID hose.3. SALIENT CHARACTERISTICS.3.1 Dimensions. Coupling assemblies supplied to this CID shall be as specified herein.3.2 Materials. Materials used shall be as specified herein. Howev
12、er, materials not specified herein shallbe of a quality that will enable the coupling assembly to meet the requirements of this CID.3.3 Interchangeability. Parts having the same classification under a specific contract shall befunctionally and dimensionally interchangeable.3.4 Design. Couplings shal
13、l consist of the various components specified in 3.5.1, 3.5.2, and 3.5.3 andsimilar to the applicable figures. Components of the coupling shall not be mixed in the sense ofdissimilar metals that will be subject to galvanic corrosion when the coupling sections are connected anda flow is produced thro
14、ugh the hose and coupling assembly (see 7.6).3.5 Coupling components.3.5.1 Type I couplings. Unless otherwise specified (see 7.4), type I coupling parts shall be cast ormachined from copper allow (brass), zinc-base alloy, stainless steel, or steel and coupling componentsshall consist of the followin
15、g (see figure 1):a. Female section.b. Swivel nut for female section (see 3.7).c. Male section.d. Gasket recess in swivel (recess may be omitted provided the standard commercial gasket doesnot fall out when the two sections are disconnected).e. Clamps (one for each male and female section, or ferrule
16、s (outside crimp) (one for each maleand female section, for styles 1 and 2).Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-5961443.5.1.1 Dimensions, figure 1. Dimension A shall be sized so as not to restrict the free flow of the hoseattached; B
17、shall be as required to accommodate the hose specified; and C shall be as required to meetthe pull-off and leakage requirements and to accommodate the required clamps(s) or ferrule(s) (see tableIII). Clamps or ferrules shall not extend closer than .062 inch to the end of the shank.MALE SECTION (SHAN
18、K)FEMALE SECTION (SHANK)SWIVEL NUTGASKET A BCCCLASS A, AA, STYLE 3CLASS A, AA, STYLE 4CLASS A, AA, STYLE 1CLASS A, AA, STYLE 2FIGURE I. Type I couplings.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-596145Table III. Dimension C (minimum) (inche
19、s).For hose size Styles 1 and 2 Styles 3 and4.50 1.125 1.125.625 1.125 1.125.75 1.125 1.1251.00 1.125 1.1251.25 1.75 2.001.50 1.75 2.502.00 2.187 3.502.50 2.50 4.003.00 3.25 5.003.50 3.875 5.504.00 4.375 5.754.50 4.50 5.8755.00 5.375 5.8756.00 6.375 6.503.5.2 Type II couplings. Unless otherwise spec
20、ified (see 7.4), type II couplings shall be cast, machined,pressed or extruded from copper alloy (brass), cartridge brass, stainless steel, steel, zinc-base alloy, orheat stabilized 6/6 nylon and coupling components shall consist of the following (see figure 2):a. Female section with expandable smoo
21、th shank for ribbed ferrules or ribbed shank forcompression ferrules.b. Swivel nut for female section (see 3.7).c. Male section with expandable smooth shank for ribbed ferrules or ribbed shank for compressionferrules.d. Gasket recess in swivel (recess may be omitted provided the standard commercial
22、gasket doesnot fall out when the two sections are disconnected).e. Ribbed ferrule or compression ferrule for each male and female sectionEXPANDABLE SHANKSWIVEL NUT EXPANDABLE SHANKCDFERRULE FERRULEGASKETA BFIGURE 2. Type II, class A and AA, style 5 and 6.Provided by IHSNot for ResaleNo reproduction
23、or networking permitted without license from IHS-,-,-A-A-5961463.5.2.1 Dimensions, figure 2. Dimension A shall be sized so as to suit the inside diameter (ID) of thehose specified; B shall be as required to meet the pull-off and leakage requirements; and C and D shallbe sized to suit the outside dia
24、meter of the hose specified and meet the pull-off and leakagerequirements. Dimension D shall not exceed dimension B and shall not extend closer than .062 inch tothe end of the shank.3.5.3 Type III couplings. Unless otherwise specified (see 7.4), type III couplings shall be cast ormachined from coppe
25、r alloy (brass), stainless steel, or steel and coupling components shall consist ofthe following (see figure 3):a. Female section.b. Swivel nut for female section with nut to bowl retainer (see 3.7).c. Male section.d. Gasket recess in swivel.e. Expansion ring, one for each male and female section.3.
26、5.3.1 Dimensions, figure 3. Dimensions A, B, F, and G shall be required to fit the specified hose andmeet the pull-off and leakage requirements. Dimension C shall be so sized as not to restrict the free flowof the hose. Dimensions D and E shall be as required to accommodate the appropriate standard
27、spannerwrench. (See table IV.)TABLE IV. Dimensions B and F (minimum) (inches).For hose size B F1.50 1.50 1.252.00 1.50 1.252.50 1.75 1.503.00 2.25 1.8753.50 2.25 2.004.00 2.25 2.004.50 2.25 2.005.00 2.25 2.006.00 2.25 2.003.5.3.2 4.50 X 4.00 inch coupling. The 4.50 X 4.00 inch coupling shall have a
28、4.50 inch NH thread andshall accommodate the 4.00 inch ID hose.3.5.3.3 Detail sections AA and BB of figure 3. Pellets, ball bearings, or square-cross-section piston-ringattachment of the swivel to the hose bowl may be used in place of still thread or groove shown.Provided by IHSNot for ResaleNo repr
29、oduction or networking permitted without license from IHS-,-,-A-A-596147EXPANSION RINGNUT OR SWIVELSTYLE 5 STYLE 6STYLE 7VIEW A-A VIEW B-BBOWLGASKETSEE B-BBOWLBDEACF GDESEE A-AFIGURE 3. Type III expansion ring coupling, class AA and B.Provided by IHSNot for ResaleNo reproduction or networking permit
30、ted without license from IHS-,-,-A-A-5961483.6 Tightening provisions.3.6.1 Type I. The male section shall have either lugs or wrench flats, and the swivel nut on the femalesection shall have rocker lugs, pin lugs, or wrench flats. When specified (see 7.4), wrench surfaces maybe as specified in 3.6.2
31、.3.6.2 Type II. Wrenching surfaces may be octagon, hexagon, ridged, or knurled and shall be located onthe swivel nut only.3.6.3 Type III. Unless otherwise specified (see 7.4), rocker lugs, pin lugs, or long handles shall belocated on the swivel nut only. When specified (see 7.4), rocker lugs, pin lu
32、gs, or long handles shall belocated on both male and female sections.3.7 Swivel nuts. Swivel nuts shall be of the same material as the male and female sections or of othersuitable material that is compatible with and will not cause galvanic action in the coupling and shall meetthe requirements of 3.
33、13 through 3.13.2.1 (see 7.4).3.8 Expansion rings. Unless otherwise specified (see 7.4), expansion rings for type III couplings shall bemade from seamless copper alloy (brass) tubing. Expansion rings shall be sized for the particularapplication specified to prevent pull-off and leakage.3.9 Ferrules.
34、 Unless otherwise specified (see 7.4), ferrules for styles 1 and 2, type I and for type IIcouplings shall be made from sheet, tubing, or locking straps of copper alloy (brass), stainless steel, orzinc-coated steel.3.10 Gaskets. Unless otherwise specified (see 7.4), gaskets shall be made of natural o
35、r syntheticrubber, a combination of these materials or polyvinyl chloride. Gaskets shall be of nominal size for thespecific coupling and shall be the standard commercial size and shall not fall out of the coupling whenthe two sections are disconnected.3.11 Clamps for type I couplings. Unless otherwi
36、se specified (see 7.4), clamps shall be types A throughF, conforming to A-A-52506.3.12 Threads. Threads as specified (see 7.4), shall be NH or NPSH of FED-STD-H28/10 for type I andtype III couplings. Threads for type II, class A couplings shall be NHR (rolled) of FED-STD-H28/10 whendesign of the cou
37、pling is of thin material that will not permit cut-threads and still meet the requirements of3.13 and 3.13.1. Threads shall be NH (cut) on the swivel nut for the female section and NH (cut or cast)on the male shank for type II, class A couplings designed of thick material and for type II, class AAco
38、uplings.3.13 Performance requirements. All couplings shall be able to withstand a 150 lb load pull for at leastone minute, when attached to hose specified in 3.4.3.13.1 Types I and II, class A couplings. When attached to hose specified in 3.4, types I and II, class Acouplings (garden hose) shall be
39、able to withstand an internal hydrostatic pressure of 100 psi for at leastone minute without showing any signs of leakage.3.13.2 Types I, II, and III, class AA couplings. When attached to hose specified in 3.4, types I, II, and III,class AA couplings shall be able to withstand an internal hydrostati
40、c pressure of 300 psi for sizes .50through 1 inch, 250 psi for sizes 1.25 and 1.50 inch, 200 psi for sizes 2.00 through 4.00 inch, and 100 psifor sizes 4.50 through 5 inch, for at least one minute without showing any signs of leakage.Provided by IHSNot for ResaleNo reproduction or networking permitt
41、ed without license from IHS-,-,-A-A-5961493.13.2.1 Type III, class B couplings. When attached to hose specified in 3.4, type III, class B couplingsshall be able to withstand an internal hydrostatic pressure as specified in 3.13.2 and a 22-inch mercuryvacuum for at least one minute without loss of co
42、upling seal or where the hose joins the coupling.3.14 Finish. All nonmating surfaces shall be made smooth by grinding, polishing, shot blasting, sandblasting, or wire brushing and shall be free of burrs. All mating and gasket surfaces shall be 125 in rmsfinish or smoother. On all castings, the exter
43、nal corrugations shall be a uniform annular groove aroundthe periphery of the shanks and shall have a clean parting line.3.14.1 Zinc-base alloy couplings. Zinc-based alloy couplings shall have zinc corrosion-resisting coating.When zinc corrosion-resisting can not meet the intended performance requir
44、ement, corrosion-resistingcoating of chromium, cadmium, or chromate can be used at the option of the manufacturer, afterthreading.3.14.2 Steel couplings. Steel couplings shall be zinc coated, after threading.3.15 Workmanship. Couplings shall be uniform in quality and shall be free from sharp edges,
45、burrs,defects, or irregularities that may adversely affect its service performance.3.16 Marking. Couplings supplies to this CID shall be marked with the manufacturers (MFRs) standardcommercial PIN.4. REGULATORY REQUIREMENTS. The offeror/contractor is encouraged to use recovered materialsto the maxim
46、um extent practicable, in accordance with paragraph 23.403 of the Federal AcquisitionRegulation (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,
47、and quality assurance practices, andbe the same product offered for sale in the commercial market. The Government reserves the right torequire proof of such conformance.6. PACKAGING. Preservation, packing, and marking shall be as specified in the contract or order.7. NOTES.7.1 PIN. The PIN should be
48、 used for Government purposes to buy commercial products to this CID.See section 2 for PIN format example.7.2 Commercial and Government Entity (CAGE) code. For ordering purposes, inventory control, andsubmission of these coupling assemblies to DSCC under the Military Parts Control Advisory Group(MPC
49、AG) evaluation program, CAGE code 58536 should be used.7.3 Source of documents.Federal SpecificationsA-A-52506 - Clamp, HoseProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-5961410Federal StandardFED-STD-H28/10 - Hose Coupling and Fire Hose Coupling Screw Threads(Copies of federal specifications and standards are available fr
