1、AMSC N/A FSC 9320 A-A-55760A 5 May 2011 SUPERSEDING A-A-55760 13 September 1995 COMMERCIAL ITEM DESCRIPTION RUBBER, SILICONE; STRIP, SHAPE 16 The General Services Administration has authorized the use of this Commercial Item Description for all Federal Agencies. 1. SCOPE. This commercial item descri
2、ption (CID) covers a silicone rubber strip with shape 16 per figure 1. 2. CLASSIFICATION. The silicone rubber will be of the following classes and grades as specified. The designated grade number corresponds to the nominal Shore Durometer A hardness value. Class 1A Low temperature resistant Grade 40
3、, 50, 60, 70, and 80 Class 1B Low temperature resistant and low compression set at high temperature Grade 40, 50, 60, 70, and 80 Class 2A High temperature resistant Grade 25, 40, 50, 60, 70, and 80 Class 2B High temperature resistant and low compression set Grade 25, 40, 50, 60, 70, and 80 Class 3A
4、Low temperature, tear and flex resistant Grade 30, 50, and 60 Class 3B Tear and flex resistant Grade 30, 50, 60, 70, and 80 INCH-POUND Comments, suggestions, or questions on this document should be addressed to Defense Supply Center Philadelphia (DSCP), ATTN: DSCP-NASA, 700 Robbins Avenue, Philadelp
5、hia, PA 19111-5096 or e-mail to dscpg&inspecommentsdla.mil . Since contact information can change, you may want to verify the currency of this address information using ASSIST Online database at https:/assist.daps.dla.mil .Provided by IHSNot for ResaleNo reproduction or networking permitted without
6、license from IHS-,-,-A-A-55760A 2 3. SALIENT CHARACTERISTICS. 3.1 Dimensional and physical requirements. Dimensional and physical requirements shall conform to figure 1. Dimensional tolerance shall conform to the applicable commercial tolerance specified in CID A-A-59588. 1.000.060 48.00Figure 1 Dim
7、ensional and Physical Requirements. Notes: 1. Dimensions are in inches. 2. Strengthening feature: Backing. 3. External strengthening feature location: One side. 4. Strengthening feature material: Polytetrafluoroethylene. 5. Fabrication method: Solid. 6. Surface condition: Smooth. 3.2 Material. Mater
8、ial shall be silicone rubber formulated and processed to meet the physical and mechanical properties per the specified class and grade, when tested in accordance with ASTM test methods specified in Table I of CID A-A-59588. 3.3 Color. Unless otherwise specified, the color of the silicone rubber shal
9、l be the natural color of the compound furnished. 3.4 Workmanship. The end product shall be clean, smooth finished, and free from dirt, flash or rough edges. 3.5 Marking. Unless otherwise specified (see ordering data), sheet material and strips (cut from sheet) shall be marked with the following inf
10、ormation: Basic CID number, class, grade, designations, and the suppliers designations. The class and grade designations separated by a dash, shall be enclosed within parentheses. The markings shall be legible and placed in rows of constantly 5 inches apart. The suppliers designation (compound numbe
11、r) shall appear immediately below the constantly recurring description symbols. The symbols shall be legible and shall be not less than 3/8 inches high. The symbols shall be applied by suitable means, using a black colored marking fluid to mark white colored silicones and a white colored marking flu
12、id to mark other than white colored silicones. The marking shall not be obliterated by normal handling or by the action of petroleum-based oils. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55760A 3 3.6 Metric products. Products manufactured t
13、o metric dimensions will be considered on an equal basis with those manufactured using inch-pound units, provided they fall within specified tolerances using conversion tables contained in the latest revision of ASTM SI 10, and all other requirements of this commercial item description are met. If a
14、 product is manufactured 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. 4. REGULATORY REQUIREMENTS. The offeror/contractor is encouraged to use recovered
15、 materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). 5. PRODUCT CONFORMANCE. 5.1 Product conformance. The products provided shall meet the salient characteristics of this commercial item description, conform to the producers o
16、wn 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 proof of such conformance. 6. PACKAGING. Preservation, packing, and marking shall be as specified in the contract o
17、r order. 7. NOTES. 7.1 Part identification number (PIN): the following part identification numbering procedure is for government purposes and does not constitute a requirement for the contractor. The PINs to be used for items acquired to this description are created as follows: AA55760 001 C 5 Grade
18、 2 =25Clas 330 A =1A 4 =4BB 550 C =2A 6 =6DB 770 E =3A 8 =8FB N =NADimensions per Figure 1 Basic CID number 7.2 Ordering data. The contract or order should specify the following: a. Title, number, and date of this CID. b. Class and grade required. c. Marking if different (see 3.5). d. Color required
19、 if other than natural color of compound furnished. e. Packaging requirements. 7.3 Source of documents. 7.3.1 ASTM SI10 is available from the ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959 or online at http:/www.astm.org . Provided by IHSNot for ResaleNo reproduction or
20、networking permitted without license from IHS-,-,-A-A-55760A 4 7.3.2 FAR. The Federal Acquisition Regulation is available from the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402 or online at http:/www.arnet.gov/far . 7.3.3 Government documents. Federal and militar
21、y documents are available online at https:/assist.daps.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094. 7.4 Utilization caution. Use of this material in items that may come in contact with human skin, food, or portabl
22、e water is not recommended without prior approval of the appropriate medical service. 7.5 Key words. Class Flex resistant Grade Low compression 7.6 Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent o
23、f the changes. Military interests: Custodians: Preparing activty: Army MR DLA - IS Navy AS Air Force - 11 (Project 9320-2011-013) 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 above using the ASSIST Online database at https:/assist.daps.dla.mil . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
