GSA A-A-3048 A-2002 TAPES MEASURING (STEEL SURVEYORS-)《卷尺(钢制 测量员用)》.pdf

1、INCH-POUNDQ A-A-3048AApril 9,2002SUPERSEDINGA-A-3048November 7,1996COMMERCIAL ITEM DESCRIPTIONTAPES, MEASURING (STEEL SURVEYORS)The General Services Administration has authorized the use of this Commercial ItemDescription by all federal agencies.1. SCOPE. This Commercial Item Description covers stee

2、l surveyors tapes and reels used for generalpurpose distance measuring. ,.2. CLASSIFICATION. The tapes shidl conform to the following types, classes, styles and sizes,2.1 Type I, Complete assembly.Class A - Black background with natural steel graduations.Class B - Dull chromium plated background wit

3、h black graduations.Style 1- Inch graduations,a71Style 2- Metric graduations.Style 3- Inch on one side, metric on the other.Size 1- l/4-inch tape width.Size 2- 5/16 inch tape width.Size 3- 3/8-inch tape width.2.2. Twe 11,Replacement tape. Class A - Black background with natural steel graduations.Cla

4、ss B - Dull chromium plated background with black graduations.Style 1- Inch graduations.Style 2- Metric graduations.Style 3 Inch graduations on one side, metric on the other.Size 1- l/4-inch tape width.Size 2- 5/16 inch tape width.Size 3- 3/8-inch tape width.Beneficial comments, recommendations, add

5、itions, deletions, clarifications, etc. and.any other datawhich may improve this document should be sent to: General Services Administration, Federal SupplyService, Hardware SuperStore, 6FEE, 1500 Bannister Rd., Bldg.# 6, Kansas City, Missouri 64131.FSC 5210Provided by IHSNot for ResaleNo reproducti

6、on or networking permitted without license from IHS-,-,-,.A-A-3048A3. SALIENT CHARACTERISTICS. z3.1 Type-I. Desire. Surveyor tape assemblies shall consist of a reel, with attached handle and a drum. Thetape is held in place in the frame by a spindle to which, a winding arm is attached. It shall be p

7、ossible to oremove the tape from the drum without the use of special tools.-v REELTape measuring, steel surveyors. (Straight handle.)3.1.1 . The reel frame shall be of a corrosion resistant metal built to withstand hard use. The reel shallconsist of two sides held apart by spacers approximately 3/8

8、inch long, permanently secured in place.3.1.2 Straight handle. When specified, the handle shall be of enameled or polished hardwood, or durableplastic and of ample size to insure a firm hold. The handle shall be fastened to the reel frame by an axial rodthrough the entire length of the handle.3.1.3

9、D-Handle. When specified, the handle shall be of enameled or polished hardwood, or durable plasticand of ample size to insure a firm hold. The handle bracket shall be made of corrosion resistant metal andformed in the shape of a D. The handle assembly shall be riveted or welded to the frame. oThe D-

10、style handle shall be similar to the figure below.t“fjAA*. ,.,:3.1.4 Drum The drum shall be constructed of corrosion resjstant metal and have a minimum diameter of1-3/8=s.3.1.5 Windirw arm. The length of the winding arm shall be suitable to fit the length of the tape specified andshall have proper c

11、learance when the tape as wound on the reel. The winding arm shall be capable of beingfolded over, and when folded over, shall engage the reel frame locking the tape. The winding arm shall befitted with a large finger knob for speed and ease of winding.3.1.6 Spindle. The spindle shall be constructed

12、 so that it will rotate freely in the reel frame when the windingarm is turned and shall cause the drum to rotate without coming in contact with the reel frame.3.2 Tapes. The tape ribbon shall be of tempered spring steel. Unless otherwise specified, the tapes shall begraduated for reading left hand

13、to right hand. Unless otherwise specified, the tape shall be fhrnished withtwo end loops and two leather thongs. Each leather thong shall beat least 20 inches in length. If specified,two removable finger rings shall be supplied in lieu of the end loops and leather thongs. The graduationaccuracy shal

14、l be determined by direct comparison to a measured standard calibrated on a continuing basisand directly aceable to NIST standards.3.2.1 Lemzth. The overall length of the tape ribbon shall be specified in the ordering data.2Provided by IHSNot for ResaleNo reproduction or networking permitted without

15、 license from IHS-,-,-A-A-3048A3.2.2 Graduations. Unless otherwise specified, graduation increments shall be one of the following andpecified in the ordering data.a. Feet, tenths, and hun conform to the suppliers own drawings, specifications, standards and quality assurancepractices, the same produc

16、t offered for sale in the commercial market. The government reserves the fight torequire proof of such conformance.5.2 Responsibility for inspection. Unless otherwise specified, the supplier is responsible for the performancea71of all inspection requirements and may use any commercial facilities (in

17、cluding the suppliers own facilities)suitable for performance of the inspection requirements, unless disapproved by the Government. TheGovernment reserves the right to perform any inspections deemed necessary to assure the item conforms tothe specified requirements.3“Provided by IHSNot for ResaleNo

18、reproduction or networking permitted without license from IHS-,-,-A-A-3048A : “6. PACKAGING. Requirements of preservation, packing, packaging, and marking of packages shall be as “specified in the contract or order.7. NOTES. (This section contains information of a general or explanatory nature that

19、is not mtidatory.) a717.1 Addresses for obtainirw copies of referenced documents:Federal Acquisition Regulation (FAR): Government Printing Office, Superintendent of Documents,Washington, DC 20401-9371GSA Specification Section (3FP-E), Suite 8100,470 LEnfhnt Plaza, SW, Washington, DC, 20407.American

20、Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, West Conshohocken, PA,19428-2959National Institute of Standards and Technology (MST), Public Inquiries Unit, 100 Bureau Drive,Washington DC 20899-21007.2 National Stock Numbers (NSNS. The following list of NSNs corresponds to the style

21、s specified in thisCID: This list may not be indicative of all possible NSNS associated with this CID.Smallestm Type Class & Graduation Reads Length Handle twe5210-00-221-1865 IA2 1/4 1 mm Left to right 30M Straight5210-00-221-1862 I A 2 1/4 1 mm Left to right 50M D-style5210-00-221-1876 I B 1 1/4 1

22、/100, 1/10 FT. Left to right 100 FT. Straight5210-00-243-2879 I A 1 5/16 1/100, 1/10 FT. Lefl to right 300 FT. D-style a715210-00-554-7099 I B 1 5/16 1/100, 1/10 FT. Left to right 100 FT. Straight5210-00-832-9368 I B 1 3/8 1/8 Inch Left to right 200 FT. Straight7.3 Orderkuz data. Purchasers should s

23、elect the preferred options permitted herein and should include thefollowing information in procurement document:.(1) Title, number, and date of this Commercial Item Description.(2) The specific type, class, style, and size as specified in the Commercial Item Description.(3) Straight or ,D-i.tyle ha

24、ndle.(4) Blade length.(5) Graduation increments.(6) Preservation, packing, packaging, and marking of packages required.7.4 Kev words. Surveyors me&u-ing tape. (steel)MILITARY INTERESTS: Preparing Activity:NONE: DoD has no registered interest GSA - FSSin revisions and amendments to thisCommercial Description until iirther a71notice.4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-