1、A-A-522 16 February 28,1997 SUPERSEDING 30 September 1986 MIL-T-16644D COMMERCIAL ITEM DESCRIPTION TAPES, MEASURING: TANK GAUGING TYPE, WITH REEL AND PLUMB BOB The General Services Administration has authorized the use of this commercial item description for all federal agencies. 1. SCOPE 1.1 Scope.
2、 This commercial item description (CID) covers reel-mounted, steel measuring tapes, with plumb bob, for gauging the level and temperature of liquids in tanks. 1.2 Intended use. The measuring tapes are used for gauging the level of liquids in tanks, including but not limited to fresh water, sea water
3、 and oils including fuel and lubricating oil. 2. CLASSIFICATION 2.1 Classificatios. The tapes shall be of the following types, sizes and tape finish as specified (see 7.1): Type I - Plumb bob for measuring liquids Type II - Plumb bob for measuring liquids and temperature Beneficial comments (recomme
4、ndations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: U.S. Army Natick Research, Development and Engineering Center, Natick, MA O 1760-501 8 by using the Standardization Document Improvement Proposal D Form 1426) appearing at th
5、e end of this document or by letter. AMSC NIA Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-522 16 Size 1 - 25 feet Size 2 - 50 feet Size 3 - 75 feet Tape finish I - Light background Tape finish II - Satin - chrome white 3. SALIENT CHARACTERIST
6、ICS 3.1 Desimi and construction. The reel-mounted measuring tape, with plumb bob, shall consist of the components shown on figure 1. When uncoiled, the tape shall be removable from the reel and the reel Com the Came without the need of tools. The tape assembly shall be capable of withstanding the lo
7、ad test specified in 5.3.1. 3.1.1 Frame assembly. The fiame assembly shall consist of the frame, nonconductive handle lockable winding arm, and an adjustable tape wiper with a replaceable pad. It shall be corrosion resistant, durable, serviceable and permanently secured. 3.1.2 Tape assemblv. The tap
8、e assembly shall consist of the tape reel, spindle and measuring tape; it shall be durable; corrosion-resistant; free-moving and easily serviced for tape replacement. 3.1.3 m. The tape shall be commercial spring-tempered steel; nominal 1/2 inch wide; and 0.008 to 0.013 inches thick. The tape shall b
9、e fitted with a swivel snap to accommodate a plumb bob; have a reinforced end to minimize bending, and be capable of coiling without causing permanent set when tested as specified in 5.3.2. 3.1.3.1 Tape markinq. The tape shall have black markings on a light background (tape finish I) or a satin chro
10、me-white finish (tape fhish II); one sided graduation lines indicating feet, inches and eighth of inches; and raised or recessed numerals and graduations. 3.1.4 Tape refills. When specified (see 7.1) refill tapes of specific sizes meeting the requirements of 3.1.3 and 3.1.3.1 shall be fmished. 3.1.5
11、 Tape accuracy. The overall tape length, exclusive of the first foot, shall be measured at an ambient temperature of 689 2 2F. When supported on a horizontal surface and subjected to a tension load of 1 O pounds, the measurement shall not exceed an error of O. 125 inch in 1 O0 feet when tested as sp
12、ecified in 5.3.3. 3.1.6 Plumb bob - type I. The plumb bob shall be brass; 1 inch at the largest diameter; approximately 6.75 inches long; tapered at one end with a flattened point not to exceed O. 156 inches 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
13、IHS-,-,- A-A-5223b D 9999974 0374703 TL% A-A-52216 diameter; and weight rated at 20 ounces. The plumb bob shall have a serrated area approximately 3/16 inch wide by the bob length and an attachment point for the swivel snap measuring 6.600 inches Fom the flattened point to the attachment point (uppe
14、r edge of hole). 3.1.7 Plumb bob - type II. The plumb bob shall be brass; shall have a cross section encompassing a 1 inch diameter; 6.75 inches long; tapered at one end and weight rated at 15 ounces. The plumb bob shall also have a 6.600-inch scale graduated in 114 inch increments; an attachment po
15、int for the swivel snap measuring 6.6 inches from the point to the attachment point (upper edge of hole); and hollowed out on one side to form an oil cup and to house a thermometer with a range Fom minus 20oF to plus 120% 3.1.8 Plumb bob accuracv . . The contact point in the swivel snap (for plumb b
16、ob, inside end of lower snap) shall be 6.600 inches k 0.016 inch. The error, including plumb bob and swivel snap from zero to the 1-foot graduation, shall be not greater than 0.03 1 inch when tested as specified in 5.3.4. 3.1.9 Plumb bob reDlacement. When specified (see 7. i), plumb bobs meeting the
17、 requirements of 3.1.6 or 3.1.7 and 3.1.8 shall be furnished. 3.1.1 O Grounding straD. The measuring tapes can be obtained with an optional grounding strap (see 7.1 and figure 1.) 3.2 Marking. Identification, warning and instruction marking shall be legible and permanently inscribed or attached on t
18、he fime of the end item. Numbering and lettering shall be no less than 1/16 inch in height. 3.2.1 Identification. The end item shall be marked with the manufacturers name, type and tape length. 3.2.2 Warning. The end item shall have a warning notice containing but not limited to the potential of sho
19、ck/explosion hazards due to static electricity. 3.2.3 Instructions. The end item, as required for the optional grounding strap, shall contain instructions on the proper sequence of operation while utilizing the ground strap. 3.3 Workmanshig. The end item shall be clean and smooth on all surfaces. Th
20、e handles shall have no splits, seams, cracks, splinters, or gouges. Painted or enameled surfaces shall have no uncoated area, no chipped film and no discoloration. All metal parts shall be free of sharp edges, fins, burrs, splits, and machine marks. Plating, when applicable, shall show no oxide sca
21、le, rust, rougbness, or foreign inclusions and shall be smooth and uniform with no uncoated, nonadherent, or peeling areas. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-522 16 3.4 Metric products. Products manufactured to metric dimensions w
22、ill be considered on an equal basis with those manufhctured using inch-pound units, provided they fall within the tolerances specified using conversion tables contained in the latest revision of ASTM E 380, and all other requirements of this commercial item description are met. If a product is manta
23、ctured to metric dimensions and those dimensions exceed the tolerances specified in the inch-pound units, a request should be made to the contracting officer to determine if the product is acceptable. The contracting officer has the option of accepting or rejecting the product. 4. REGULATORY REQUIRE
24、MENTS 4 . 1 Contractor-recovered materials. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). 5. QUALITY ASSURANCE PROVISIONS 5.1 Product conformance. The products provid
25、ed shall meet the salient characteristics of this commercial item description, shall conform to the producers own drawings, specifications, standards, and quality assurance practices, and be the same product offered for sale in the commercial market. The Government reserves the right to require proo
26、f of such conformance prior to first delivery and thereafter as may be otherwise provided for under the provisions of the contract. 5.2 Market acceptability (MAI. The following market acceptability criteria are necessary to document the quality of the product to be provided under this CID: a. The co
27、mpany producing the item must have been producing a product meeting the requirements of this CID for at least 2 years. b. The company must have sold 1000 units meeting the requirements of this CID, in the commercial or government marketplace over the past 2 years. 5.3 Tests. 5.3.1 Load test. The ass
28、embled tape and reel shall be tested in a locked position, with no less than 1 foot of tape extended and with a 20-pound load hanging fiom the swivel snap. The 20-pound load shall then be removed and the tape allowed to uncoil full length by the weight of the plumb bob. Any evidence of breakage, per
29、manent distortion, binding, or failure of the locking mechanism shall constitute failure of the test. 5.3.2 Coiling test. The tape shall be rolled around a rod having a nominal diameter of 1 3/4 inches and then removed. Any evidence of permanent set shall constitute a failure. 4 Provided by IHSNot f
30、or ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-522 1 6 5.3.3 Tape accuracv test. The measurement shall be conducted at an ambient temperature of 68F 2 29. The uncoiled tape shall be supported on a horizontal surface, and a 10-pound load applied to the swivel snap.
31、The accuracy shall be checked against a master rule, instruments, or laboratory equipment of known accuracy. Any error exceeding that indicated in 3.1.5 shall constitute failure of the test. 5.3.4 Plumb bob accuracy test. The measurement shall be conducted at an ambient temperature of 68F k 2OF. The
32、 tape with plumb bob attached shall be sufficiently unwound and supported on a horizontal surface. The accuracy of the zero to 1-foot graduation (including plumb bob) shall be checked against a master rule, instruments, or laboratory equipment of known accuracy. Any error exceeding that indicated in
33、 3.1.8 shall constitute failure of the test. 6 PACKAGING 6.1 Packaging. Preservation, packing and marking requirements shall be as specified in the contract or purchase order (see 7.1). 7 NOTES 7.1 Orderinn data. Purchasers should select the preferred options permitted herein and include the followi
34、ng information in the procurement documents (if applicable): a. Title, number and date of this CID b. Type, size and tape finish required (see 2.1) c. When only refill tapes including swivel snaps are required (see 3.1.4) d. When only plumb bob replacements are required (see 3.1.9) e. When optional
35、grounding strap is required (see 3.1.1 O) f. Preservation, packing, and marking required (see 6.1) 7.2 Sources for documents. 7.2.1 Sources for non-government association documents. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) E 380 - Use of the International System of Units (SI) (The Modernize
36、d Metric System) (Application for copies of ASTM standards should be addressed to the American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959). 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-522Lb 9
37、999974 OL7470b 728 A-A-522 16 7.3 Sources of suDply. Manufacturers whose products are known to meet the requirements of this CID, in whole or in part, are listed below; however, competition is not limited to these companies. U.S. Tape Company Cooper Industries 2 17 River Avenue 1000 Lufkin Road Patc
38、hogue, NY 1 1772 P. O. Box 728 Apex, NC 27502 L.S. Starrett 121 Crescent Street Atho1,MA 01331 7.4 National Stock Number (NSN) . The following is a list of NSNs assigned which correspond to this document. The list may not be indicative of all possible NSNs associated with the document. NSN 521 0-00-
39、22 1-1 885 52 10-00-221 -1 886 5210-00-221 -1 887 5210-00-526-0752 52 10-00-23 8- 1734 5210-00-293-1739 5210-00-293-1740 5210-00-347-2591 m I I I II I I I I - Size 1 2 3 NIA NIA 1 2 3 Finish h2.n I Tape, measuring I Tape, measuring I Tape, measuring II Tape, measuring, tank level gauge NIA Plumb bob
40、 I Tape, measuring, I Tape, measuring, I Tape, measuring, replacement replacement replacement 7.5 Part identification number (PI“) . The PINS to be used for items required by this CID are created as follows: (Example of a PIN: AA52216-1-A-1) Tape Finish14 - Light background 2-11 - Satin-chrome white
41、 I Size: A- Size 1 - 25 feet long B- Size 2 - 50 feet long C- Size 3 - 75 feet long a Type: 1-1 - Plumb bob for measuring liquids 2-11 - Plumb bob for measuring liquids and temperature CID number Designates a Commercial Item Description 6 Provided by IHSNot for ResaleNo reproduction or networking pe
42、rmitted without license from IHS-,-,-t MILITARY INTERESTS: custodians Army - GL Air Force - 99 A-A-52216 74 0374707 664 Review Activities Army - AT Air Force - 84 A-A-522 16 CIVIL AGENCY COORDINATING ACTIVITY: GSA-FSS PREPARING ACTIVITY: ARMY - GL Project 521 0-0294 7 Provided by IHSNot for ResaleNo
43、 reproduction or networking permitted without license from IHS-,-,-A-A-522 16 SAFETY WARNING/INSTRUCTION MARKING ON BACK OF FRAME FRAME -PLUMB BOB FIGURE 1, Tank gauging type measuring tape dith PeeC and DLumb bob 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
