1、A-A-50227 bb W 777777Ll OOLO2OL T W A-A-50227 October 29, 1986 COMMERCIAL ITEM DESCRIPTION T-SQUARES (METAL, WOOD, AND PLASTIC) The General Services Administration has authorized the use of this commercial item description in preference to Military Specification MIL-T-10629. This description covers
2、wood and plastic T-squares used in general drafting practice and layout work and allows for ordering of a metal construction where a heavy and rigid T-square is desired. Salient characteristics: Design. The T-squares shall consist of a head and a blade. Type I - fixed head Sizes - 18-, 24-, 30-, 36-
3、, and 42-inches long (457.2-, 609.6-, 762.0-, 914.4-, and 1066.8- m long) Type II - protractor head Sizes - 24- and 42-inches long (609.6- and 1066.8-mm long). Material. plastic , is order The T-square head and blade shall be constructed of wood, or metal as specified herein. If a metal construction
4、 .ed for the T-square head, the metal shall be an aluminum or zinc alloy, and the locking device for the type II T-square head shall be corrosion-resistant steel. If a metal construction is ordered for the blade, the blade shall be of corrosion-resistant steel or steel processed to prevent corrosion
5、. Blades. The ruling edges of the blades shall be parallel to each other, and shall be straight. to 12.7-mm) shall be centered near the free end of the blade to permit hanging the T-square. 1-1/4- and 2-inches wide (31.75 and 50.8 um), and 0.042 and 0.100 inch thick (1.067 and 2.54 mm). A 3/8- to 1/
6、2-inch diameter hole (9.525- Blades for T-squares shall be between Heads. The head shall be of either solid or openwork design, and shall be so weighted as to give proper balance when handled. shall be a smooth surface. The length of the heads for the 18- and 24-inch T-squares (457.2- and 609.6-mm)
7、shall be not less than 10 inches (254.0 mn), and the length for the 30-, 36-, and 42-inch T-squares (762.0-, 914.4-, and 1066.8-mm) shall be not less than 12 inches (304.8 irna). The working edge AMSC N/A FSC 6675 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. /- T
8、HIS DOCUMENT CONTAINS 9 PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-5 O2 2 7 Type I, fixed head, be permanently fastened together at a 90 degree angle to each other, The working edge of the head and the blade shall Type II, protractor
9、head, The head shall be fastened to the blade by a Zero setting shall be when the blade is Graduations shall be at every pivot which permits the head to pivot at least 80 degrees from either side of zero setting. at a 90 degree angle to the head, degree of arc and shall have a vernier scale to permi
10、t readings to 5 minutes of arc, locking device shall be provided to lock the head positively in any posit ion. At least each 10 degree of arc shall be numbered, A Graduations and numbering, Graduations and numbering shall be indented into the protractor head and shall be filled with a permanent read
11、ily visible material. Regulatory requirements. materials in accordance with Public Law 94-580 to the maximum extent practicable. Packaging and marking. to overseas Department of Defense (DOD) consignees, specified for shipments to DoD consignees within the Continental United States and to non-DD con
12、signees worldwide. satisfy the requirements for military packaging, it may be used. The offeror/contractor is encouraged to use recovered Military packaging shall be specified when shipments are Comercial packaging may be When a suppliers normal packaging will Military packaging, against physical da
13、mage and deterioration in a logistic environment characterized by the following: Each T-square shall be preserved and packed to protect 1, 2. 3, 4* 5, Multiple handling during transportation and intransit storage. Shock, vibration, and static loading forces during worldwide shipment by all transport
14、 modes. Uncontrolled warehouse storage for extended periods, Weather exposure during shipment and intansit transfers. Stacking loads during shipment and storage. Quantities of T-squares of like description destined to a single addressee may be unitized into one or more unit loads. Commericial, norma
15、l method for retail distribution, description shipped to a single destination may be unitized to permit handling as a single unit, Classification or National Motor Freight Classification rules, Marking. Unit, intermediate (when provided), and exterior packs shall be marked with the item nomenclature
16、, National Stock Number (NSN) or part number if no NSN ha8 been designated, quantity per pack, and contract number as a minimum; additional marking shall be as specified in the contract or order. Each T-square shall be packaged in accordance with the suppliers Individually packaged T-squares of like
17、 Shipping containers shall comply with Uniform Freight . Exterior 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50227 66 7977974 0010203 3 A-A-5022 7 packs shall have in addition the complete consignees address. be applied in a legible manner
18、, in a contrasting color, of an appropriate size, and of waterproof materials. Quality assurance. Presence of one or more defects shall be cause for rejection, Markings shall The T-square shall be examined for the following defects. 1. 2. Material not as specified. 3. Dimensions not as specifed. 4.
19、Protractor head does not operate as specified. 5. Graduations and numbering not as specified. 6. Packaging and marking not as specified. Type and size not as specified. Certification of commercial item. offered to the Government meets the salient characteristics of this description and that the prod
20、uct conforms to the producers own drawings, specifications, standards, and quality assurance practices and is the same product as the manufacturers current product offered by the contractor in the commercial marketplace for at least one year preceding the solicitation. reserves the right to require
21、proof of such conformance prior to first delivery and thereafter as may be otherwise provided for under the provisions of the contract . The contractor shall certify that the product The Government Small business. A small business that cannot meet the certification-of- commercial-item requirement of
22、 this document, may make an offer under this solicitation; and, if such small business is the apparent successful offeror, the Government may require the small business to submit a sample T-square, Any such T-squares may be evaluated for this solicitation if time to contract award permits. Such eval
23、uation would be to determine conformance to all requirements of this commercial item description and to determine equivalency to T-squares available in the commercial marketplace in the areas of durability, human factors engineering, and safety. It should be noted that bid samples are not required u
24、nless specifically requested by the contracting officer. - Note. Government may elect not to evaluate a bid sample from an apparent low bidder for award for this solicitation if a determination of urgency is made by the contracting officer. The bid sample would then be evaluated prior to future soli
25、citation for comparable items. e The 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50 2 2 7 Notes: 1, Ordering activity shall specify type and size of T-square required, and shall specify material for construction of T-square head and materia
26、l for construction of T-square blade, separately. When this comercial item description is used for procurement, the commercial item certification clause must appear in the solicitation. 2. MILITARY INTEREST: CIVIL AGENCY COORDINATING ACTIVITIES: Custodians GSA-FCGC Army - ME Air Force - 99 Preparing activity : Armj - ME Review act iv t ies Project 6675-0754 DLA - GS Air Force - 82 User activity Navy - MC / O a 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
