1、 Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that may improve this document should be sent to: STDZNMGTdla.mil or DLA Aviation VEB, 8000 Jefferson Davis Highway, Richmond, VA 23297-5616. Since contact information can change, you may want to verify th
2、e currency of this address information using the ASSIST database at https:/assist.dla.mil/. FSC 6670 . METRIC A-A-50223B 5 July 2012 SUPERSEDING A-A-50223A 17 July 2001 COMMERCIAL ITEM DESCRIPTION SCALE, BEAM INDICATING: WEIGHING, SPECIFIC GRAVITY; CAPACITY 0.01 NOT LESS THAN 200 GRAMS, THREE OR FOU
3、R WEIGHT BEAMS: 0.01 GRAM SENSITIVITY The General Services Administration has authorized the use of this commercial item description for all federal agencies. 1. SCOPE. This commercial item description (CID) establishes the government acquisition requirements for specific gravity weighing beam indic
4、ating scales to be used as accurate weighing instruments. 2. CLASSIFICATION. The scales shall be classified by the types listed below. The selected type to be supplied shall be specified in the acquisition order (see 7.4(b). Type I - Three weight beams Type II - Four weight beams 3. SALIENT CHARACTE
5、RISTICS. The scale shall be of a three or four beam type with an adjustable platform and have a capacity of 0.01 gram to not less than 200 grams with a sensitivity of 0.01 gram at the capacity load. 3.1 Metals. Metals shall be corrosion-resistant or metal made corrosion-resistant by a suitable treat
6、ment. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50223A 2 3.2 Components. The scales shall consist of the following components: 3.2.1 Weight beams. The weight beams shall be equipped as follows: a. Two or three beams with hanging sliding poi
7、ses or riders. b. A fractional bar having a capacity of 1 gram, graduated in 0.01 gram increments, and provided with a sliding poise or rider. c. An adjustment for setting zero point. d. An adjustment means for leveling the scale when out of level condition affects accuracy. 3.2.2 Stirrup. The stirr
8、up shall be corrosion-resistant steel, approximately 203.2 mm (8 inches) high and approximately 101.6 mm (4 inches) wide. 3.2.3 Pan. The pan shall be made of aluminum, polypropylene, or corrosion-resistant steel. It shall be removable from the stirrup or be movable to a vertical position within the
9、stirrup. 3.2.4 Platform. The platform for specific gravity determinations shall be adjustable. 3.2.5 Damping. Damping shall be incorporated into the scale and shall be achieved by one of the following methods: magnetic, air, or oil. 3.2.6 Accuracy. Accuracy shall not be affected by the scale being o
10、ut of level. 3.2.7 Cover. A plastic cover designed to fit the scale shall be provided. 4. REGULATORY REQUIREMENTS 4.1 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
11、 Regulation (FAR). 5. PRODUCT CONFORMANCE PROVISIONS 5.1 Product conformance. The products provided shall meet the salient characteristics of this commercial item description, conform to the producers own drawings, specifications, standards, and quality assurance practices, and be the same product o
12、ffered for sale in the commercial marketplace. The government reserves the right to require proof of such conformance. 5.2 Market acceptability. The product offered must have been previously sold either to the government or on the commercial market. Provided by IHSNot for ResaleNo reproduction or ne
13、tworking permitted without license from IHS-,-,-A-A-50223A 3 6. PACKAGING 6.1 Preservation, packing, and marking. For acquisition purposes, the products shall be preserved, packed, and marked as specified in the acquisition order (see7.4(c). 6.2 Overseas packaging. Movable components of the balance
14、shall be secured in a manner that will prevent movement or damage during shipment and storage. The balances shall be packed in a fiberboard box conforming to ASTM D 5118/D 5118M, “Standard Practice for Fabrication of Fiberboard Shipping Boxes“ (DoD adopted). The box shall be closed, waterproofed, an
15、d reinforced in accordance with ASTM D 1974/D 1974M, “Methods of Closing, Sealing, and Reinforcing Fiberboard Boxes“ (DoD adopted). 6.3 Overseas marking. Marking shall be in accordance with MIL-STD-129, “Standard Practice for Military Marking“, or FED-STD-123, “Marking for Shipment (Civil Agencies)“
16、, as applicable. 6.4 Domestic packaging, packing, palletization, and marking. Packaging, packing, palletization and marking shall be in accordance with ASTM D 3951, “Standard Practice for Commercial Packaging“ (DoD adopted). 7. NOTES 7.1 Part or identification number (PIN). The following part or ide
17、ntification numbering procedure is for government purposes and does not constitute a requirement for the contractor. 7.2 Sources of documents. 7.2.1 FAR. The FAR may be obtained from the Superintendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250-7954. Electronic copies may be obtained from h
18、ttps:/www.acquisition.gov/far/. 7.2.2 Military specifications and standards. Copies of military specifications and standards may be obtained from Standardization Documents Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094. Electronic copies may be obtained from https:/assist.d
19、aps.dla.mil/. Type: 1 - Type I - Three beam scale 2 - Type II - Four beam scale AA50223 X CID number Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50223A 4 7.2.3 ASTM standards. Copies of ASTM standards may be obtained from the American Society
20、 for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. Electronic copies may be obtained from http:/www.astm.org/. 7.3 National stock number (NSN). The NSN listed below is assigned for the listed product types (see table I). Other NSNs may also correspond with this docu
21、ment. NSN Type 6670-00-494-3845 II 7.4 Ordering data. The contract or order should specify the following information: a. CID document number, revision, and CID PIN b. Product classification (type) (see 2) c. Preservation, packing, and marking requirements (see 6.1) 7.5 Subject term (key word) listin
22、g. damping pan platform poise stirrup MILITARY INTERESTS: CIVIL AGENCY COORDINATING ACTIVITY: Custodians: Army - CE GSA -FAS Reviewers: Army - MD Preparing activity: DLA - GS1 (Project 6670-2012-004) NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information using the ASSIST database at https:/assist.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
