1、A-A-5805Y = 9999974 0270665 726 = INCH-POUND I I I A-A- 58054 5 APRIL 1996 SUPERSEDING 5 April 1977 MIL-A-9962A COMMERCIAL ITEM DESCRIPTION ABRASIVE MATS, NON-WOVEN, NON-METALLIC The General Service Administration has authorized the use of this commercial item description (CID) as a replacement for
2、MIL-A-9962 for all federal agencies. 1. SCOPE. This commercial item description covers non-woven, non-metallic mats made of nylon fiber. The commercially available mats shall be suitable for cleaning, scouring, finishing, or preparing metal surfaces. 2. CLASSIFICATION: The abrasive mats shall confor
3、m to the following types, classes, and grade. Type I- Aluminum oxide (minimum of 94 % AL/ 0/3 and a hardness of 9.4 Mohs) Type II- Natural silicon dioxide (hardness of 6.8 to 7.0 Mohs) Type III-(minimum of 97% Sic and a hardness of 9.6 Mohs) Class 1 - Sheets Class 2 - Rolls Class 3 - Disks Grade AAA
4、 - Grit size less than 10 microns Grade AA - Grit size SOO Grade A - Grit size 280 to 400 Grade B - Grit size 180 Grade C - Grit size 100 to 150 Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be sent to: WR-ALC
5、/LKJE 460 Second Street, Suite 221, Robbins AFB, GA 31098-1640 AMSC N/A FSC 5350 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - A-A-58054 9999974 OLiObbb 652 Form
6、 Class 1, Sheets Class 2, rolls Class 3, disks (center hole must be specified) A-A- 5 8 O 54 Dimensions Tolerances 9“ x 11“ All sheets +/- 1/16“ or 3“ x 8“ i“, 1-1/2“, or 2“ All rolls +/- 1/16“ width, width by 30“ inch length + 12 or -0“ length 5“, 7“, 8“ and 9“outside All disks +/-1/16“outside diam
7、eter diameter 3-2/3“ x 9“ 3. SALIENT CHARACTERISTICS: Type II III I 3.1 Adhes ive. The composition of the adhesive shall be a thermosetting type. The adhesive and the mineral shall be evenly distributed on all surfaces and through the entire depth of the mat so as to obtain essentially the same abra
8、sive characteristics when used on either side of edge. Grade AAA Grade AA Grade A Grade B Grade C - -_-_ 5.5 +/- 0.5 8.1 +/- 0.8 10.0 +/- 1.0 4.2 +/- 0.4 - -_ - -_ 3.0 +/- 0.3 5.0 +/- 0.5 7.7 +/- 0.8 7.4 +/- 0.7 10.0 +/- 1.0 3.2 Color. The abrasive mats shall be color coded according to mineral type
9、. Type I mats shall be maroon in color; Type II mats shall be tan in color; and Type III mats shall be gray in color. 3.3 Dimensionc. Listed below are the most common sizes of sheets, rolls, and disks. However other sizes may be obtained if required. 3.4 Weicrht, The weight of the abrasive mats expr
10、essed in grains/square inch shall be as specified in the following table. 4. REGULATORY REQUIREMENTS 4.1 The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with papagraph 23.403 of the Federal Acquisition Regulation (FAR). 5. QUALITY ASSU
11、RANCE REQUIREMENTS 5.1. Contractor Cert if icatio n: The contractor shall certify and maintain substantiating evidence that the product offered meets the salient characteristics of this Commercial Item Description, and that the product conforms to the producers own drawings, specifications, standard
12、s, and quality assurance practices, and is the same product offered for sale in the commercial marketplace. The government reserves the right to require proof of such conformance prior to first delivery and thereafter as may be otherwise provided for under the provision of the contract. 2 Provided b
13、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-5805 4 9999974 OL70bh7 599 = A-A- 58 054 5. PACKAGING. 5.1 preser vation. Dacuna, - Dackinu. and markinq. Preservation, packing, and marking shall be as specified in the contract or order. Custodians: Air Force - 99 Army - MR Navy - SH Preparing activity: Air Force - 84 Agent : Air Force - 99 (Proj ect 53 5 O O 063 1 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
