1、A-A-53b87 bb I 7777774 0030752 3 m A-A-51689 20 October 1986 COMMERCIAL ITEM DESCRIPTION DISK, MICROMETER, Microscope Eyepiece The General Services Administration has authorized the use of this cornmercial item description in preference to Military Specification MIL-D-36091. This commercial item des
2、cription covers two types of laboratory microscope eyepiece micrometer disks suitable for purposes of microscopical measurements or counts. Salient Characteristics. Micrometer disks shall be of the following types: Type I - Straight scale Type II - Whipple Micrometer disks shall be manufactured of h
3、igh quality optical glass having a refractive index of 1.5725 5 0.0030, and shall be free of bubbles, striations, scratches and digs. Disks shall have an overall diameter of 21.08 5 0.12 millimeters (mm) and an overall thickness of 1.5 5 0.5 mm. The top and bottom surfaces of the disks shall be para
4、llel. within 0010. The center of the scale or grid area shall be within 2 0.2 mm of the geometric center of the disks. All graduations, grids and numbers shall be etched on the bottom side of the disks so as to be read through the glass when positioned in the eyepiece. numbers shall be permanent, ac
5、curate and sharply cut. When placed and viewed through the eyepiece in a microscope, disk etchings shall present highly defined rulings. Type I. The scale of Type I straight scale disks shall have the graduations, numbers and dimensions as shown in figure 1. Ali ruled scales, areas and Type II. The
6、scale of Type II Whipple scale disks shall have the graduations, numbers and dimensions as shown in figure 2. AMSC N/A FSC 6650 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. /- t PAGES. _. 6.- THIS DOCUMENT CONTAINS Provided by IHSNot for ResaleNo reproduction or
7、networking permitted without license from IHS-,-,-COMMERCIAL ITEM DESCRIPTION A-A-51689 WorkmanshiE. The micrometer disks shall be free from defects which detract from its appearance or impair its serviceability. - Unit. Each (EA). One disks micrometer of the type specified, constitutes one unit, Qu
8、ality, Assurance Provisions. Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or purchase order, the contrac
9、tor may use his own or any facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to
10、assure supplies and services conform to prescribed requirements. Records. Records of examinations and tests performed by or for the contractor shall be maintained by the contractor and made available to the Government upon the Governments request, at any time, or from time to time, during the perfor
11、mance of the contract and for a period of three years after delivery of the supplies to which such records relate. Inspection. Inspection, as used herein, is defined as both examination (such as visual or auditory investigation without the use of special laboratory appliances or procedures) and test
12、ing (determination by technical means of physical and chemical properties) of the items, Samplinq for inspection. Sampling for inspection shall be conducted in accordance with commercial practice to determine compliance with specification requirements. Where feasible, the same sample shall be used f
13、or the determination of two or more inspection characteristics, Tests. Tests shall be conducted in accordance with commercial practice to determine compliance with specification requirements. Where feasible, the same sample shall be used for the determination of two or more test characteristics. Con
14、tractor certification. The contractor shall certify that the product offered meets the salient characteristics of this description and conforms to the producers own drawings, specifications, standards, and quality assurance practices. The Government reserves the right to require proof of such confor
15、mance prior to first delivery and thereafter as may be otherwise provided for under the provisions of the contract. 1) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-51689 66 = 9779774 0010754 7 = COMMERCIAL ITEM DESCRIPTION A-A-51689 Requlato
16、ry requirements. Federal Food, Druq and Cosmetic Act. If the product covered by this document has been determined by the U.S. Food and Drug Administration to be under its jurisdiction, the offeror/contractor shall comply, and be responsible for compliance by its subcontxactor/suppliers, with the req
17、uirements of the Federal Food, Drug and Cosmetic Act, as amended, and regulations promulgated thereunder. offeror/contractor shall comply, and be responsible for compliance by its subcontractors/suppliers, with the requirements of all other applicable Federal, State, and local statutes, ordinances,
18、and regulations. In addition, the Recovered materials. The offeror/contractor is encouraged to use recovered material in accordance with Public Law 94-580 to the maximum extent practical. Preservation, packaginq, packinq, labelinq, and markinq. otherwise specified, preservation, packaging, and packi
19、ng shall be to a degree of protection to preclude damage to containers and/or contents thereof under normal shipping conditions, handling, etc:, involving shipment from the supply source to the receiving activity, plus reshipment from receiving activity, and shall conform to applicable carriers rule
20、s and regulations. Intermediate and exterior package quantities and labeling and marking shall be as specified in the contract and/or order. Unless O For information only - The following products, as of the date of this document, are puported by the following companies to meet the salient characteri
21、stics of the item(s) described herein: American Optical Cat. No. 405 Type I American Optical Cat. No. 416 Type II Bausch & Lomb Cat. No. 31-16-05 Type I Bausch & Lomb Cat. No. 31-16-13 Type II NOTE: document: The following National Stock Numbers are covered by this b Type Stock Number Item Identific
22、ation 6650-00-431-7500 6650-00-431-7525 DISK, MICROMETER, Type 1 Microscope Eyepiece DISK, MICROMETER, Type II Microscope Eyepiece, Whipple 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-COMMERCIAL ITEM DESCRIPTION A-A-51689 I Ordering data. (Inte
23、rmediate/exterior package quantities and labeling and marking must be specified in the contract and/or order. ) MILITARY INTERESTS: PREPARING ACTIVITY: Custodians: Army - MD Navy - MS Air Force - 03 CIVIL AGENCY COORDINATING ACTIVITY: VA-OSS FDA-MN AS PHC DoD - MB Agent: DLA - DM PROJECT NO. 6650-01
24、40 Location: NCR DISK #3 e 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-51b7 66 I 777447LI O010756 O I 1 - o. 9 1 O I A-A- 5 16 6 9 0 4 i 8 i Q j, 3 1 I * Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A- 5 1G 8 9 L s. t . .L rc 8. ,i n I I L. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
