GSA A-A-1341 A-2002 WRENCH BOX STUD END TYPE STRAIGHT HANDLE《螺栓端头型弯头柄套筒扳手》.pdf
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1、I IA-A-1341AFebruarv 5,2002SUPERSEDINGA-A-1341January 14, 1980COMMERCIAL ITEM DESCRIPTIONWRENCH, BOX, STUB END TYPE, STRAIGHT HANDLEThe General Services Administration has authorized the use of this commercial item descriptionby all. federal agencies.1. SCOPE. This commercial item description covers
2、 wrenches suitable for heavy duty nut turning onhexagon nuts.2. CLASSIFICATION. Not applicable3. SALIENT CHAFL4CTERISTICS.3.1 Design. Wrench openings shall be of a double hexagon (12 point) design. The handle shall afford awell-proportioned, comfortable handgrip. Wrench dimensions and sizes shall co
3、nform to Section 3.2.OPTIONAL r-ElBeneficial comments, recommendations, additions, deletions, clarifications, etc. and any other datawhich may improve this document should be sent to: General Services Administration, FederalSupply Service, Hardware SuperStore (6FEE), 1500 E. Bannister Rd Bldg. #6, K
4、ansas City,Missouri 64131.FSC 5120Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-1341A3.2 Dimensions and Sizes.Centerline OfOutside Thickness Wrench Opening To Plunger ToWrench Diameter Of Wrench plunger (centerline stop (stop Diameter OveralI P
5、roofOpening Of Head Head To Centerline) Optional) Of Handle Length TorqueA BMax. Max Min Max Max. Min. Min.Inches Inches Inches Inches Inches Inches Inches Inches In-Lb.11-1/161-1/41-5/161-3/81-7/161-1/21-9/161-5/81-11/161-3/41-13/16,1-7/822-3/162-1/42-3/82-9/162-5/82-3/42-15/163-1/81-5/81-43/641-15
6、/162-1/162-3/322- 11/642-5/162-23/642-1/22-21/322-11/162-3/42-13/163-1/163-7/323-13/323-7/84-3/164-3/164-1/24-9/164-7/83/43147/87/87/815/161111-1/161-3/321-1/81-5/321-5/161-5/161-1 1/321-7/161-1/21-1/21-19/321-11/161-25/324-15/164-15/164-15/166-15/166-15/166-15/166-15/166-15/166-15/166-15/166-15/166
7、-15/166-15/166-15/166-15/1610-15/1610-9/1 610-9/1 610-9/1610-9/1 610-9/1610-9/167-5/167-5/168-1/168-5/168-9/168-13/169-1/169-9/1610-1/1610-3/1610-5/1 610-9/1610-13/1610-13/16il-1/1611-9/1611-9/1611-9/1611-9/1611-9/1611-9/1611-11/161-1/4 7/81-1/4 7/81-1/4 7/81-1/4 7181-1/4 7/81-1/4 7/81-1/4 7/81-1/4
8、7/81-1/4 11-1/4 11-1/4 11-1/4 11-1/4 11-1/4 11-1/4 11-1/4 15-1/4 1-1/85-1/4 1-1/85-1/4 1-1/85-1/4 1-1/85-1/4 1-1/85-1/4 1-1/87-13/167-13/167-15/161010-1/210-13/1611-1/1611-1/212-1/812-3/812-9/1612-13/1613-1/813-3/813-1/213-9/1613-11/1613-13/1613-13/1613-15/1614-1/166,1506,5007,2508,0009,0009,55010,4
9、5011,55011,75014,00018,00019.00029,00029,00029,00032,00035,00035,00040,00045,00014-3/16 48,0003.3 Materials. The materials used in the manufacturing of the wrenches shall be such as to producewrenches conforming to the physical requirements hereinafter described.3.4 Marking. Each wrench shall be mar
10、ked on one of the faces or on the handle as close to each head asis practicable in a plain and permanent manner. In addition to size markings, each wrench shall bemarked in a plain and permanent manner with the manufacturers name or trademark of such knowncharacter that the source of manufacture may
11、be readily determined.3.5 Hardness. Wrenches shall be treated to a Rockwell C hardness of not less that 38 nor more than 55when tested per ASTM-E-1 8. 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-1341A3.6 Proof Torque. When tested as specifie
12、d in ASME-B 107.6, the wrenches shall withstand the prooftorque specified in Table 1 without failure or permanent deformation that might affect the durability orserviceability of the wrench.3.7 Wrench Opening. The nut and bolt head-engaging surfaces of the wrench shall be finished in asmooth and wel
13、l-defined manner. Tolerances shall be such as to insure acceptance when gaged withgages conforming to ASME B 107. 17M.3.8 Wrench Handle. Shall be of a stub end round design and suitable for accepting handle extension.The wrench handle shall be provided with a plunger stop to prevent handle extension
14、 from turning orslipping under normal working conditions. At the suppliers option, a stop maybe provided.3.9 Finish.3.9.1 Surface Finish. All surfaces shall be thoroughly cleaned,from burrs,pits, nodules, and other detrimentaldeficiencies.free from cracks, and essentially free3.9.2 Coatinm. The coat
15、ing shall be chrome plate (3.9.2.1) phosphate (3.9.2.2), oxide (3.9.2.3), oralternate coating (3.9.2.4) and shall be specified in the contractor order. The coating shall be adherent,smooth, continuous, and free from uncoated areas, pits, blisters, nodules, and imyother defects thatwould interfere wi
16、th their protective value and serviceability.3.9.2.1 Chrome Plate. Wrenches shall have a protective-decorative nickel-chromium plating. Thenickel thickness shall be a minimum of 0.000150 in. The chromium thickness shall be a minimum of0.000003 in. A nickel-iron undercoating(16% iron max.) may be sub
17、stituted for nickel.3.9.2.1. lChrome Plate Tests.One measurement of the thickness of each electroplated coating shall be conducted in accordance withany of the following, as appropriate, methods:ASTM B 487: Standard Method for Measurement of metal and oxide coating thickness bymicroscopical examinat
18、ion of a cross section.ASTM B 499: Standard Test Method for Measurement of coating thickness by the magnetic method:nonmagnetic coatings of magnetic basis metals.ASTM B 504: Standard Method for Measurement of thickness of metallic coatings by the coulometricmethod.ASTM B 530: StandardTest Method for
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