1、t FJCH-POUND A-A-59292 21 July 1998 SUPERSEDING MIL-W-8 13 19A(AS) 22 August 1967 COMMERCIAL ITEM DESCRIPTION ABRASIVE WHEELS, NON-WOVEN NYLON, RESIN ENFORCED The General Services Administration has authorized the use of this corrqercial item description for all federal agencies. 1. SCOPE. This comm
2、ercial item description (CID) covers reinforced abrasive wheels consisting of aluminum oxide (A1203) abrasive particles, non-woven nylon fibers, and a therrnosettting resin binder. The wheels are for use in removing con taminants, oxides, and other corrosion products from various surfaces. This CID
3、only includes the abrasive wheels fiom MIL-W-8 13 19 that have been direct purchased by the Government. 2. CLASSIFICATION. The abrasive wheels shall be of the following classes and grades: 2.1 Classes. Class 1 - Convolutely wound Class2 - Laminated 2.2 Grades. Grade B - Fine grit size (available,for
4、 all classes) GradeC - Mediumgritsize 3. SALIENT CHARACTERISTICS. 3.1 Materiais. The abrasive wheels shall consist of sized abrasive particles, non-woven nylon fibers and a good quality thermosetting resin binder. I Beneficial comments, recommendations, additions, deletions, clarifications, etc. and
5、 any other 1 data which may improve this documents should be sent to: Commander, Naval Air Warfare Center Aircraft Division, Code 41400B120-3, Highway 547, Lakehurst, NJ 08733-5100. FSC 5345 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-59292
6、9038054 O002974 b5T m GRADES B (Fine) I Minimum Maximum 180 240 A-A-59292 Crimps per inch Heat set 3.2 Abrasive. The abrasive shall be 94% minimum A1,0, 9.4 MOHs scale, and shall be suitable for fine finish plus stock removal. 12 +5 12 f5 Yes Yes 3.2.1 Abrasive Grit Size. The abrasive particle grit
7、size shall be as specified in Table I. Grit size grading shall be accomplished in accordance with ANSI B74.18 and shall be determined on particles that have been removed from a wheel. - Tenacity, grams/denier % elongation TABLE I. Grit size. 3.0 to 6.0 40 to 140 2.5 to 4.5. 50 to 150 I I GRIT SIZE,
8、microns I I I I 3.3 Non-Woven Nylon Fibers. The fiber used in the abrasive wheel shall be nylon 6 or 6-6, in accordance with Table II. TABLE II. Nylon fiber DroDerties. I PROPERTY I GRADE B I GRADE C I I Denier I 15 f5 I 58 +lo I I 1 Staple length, inch I 1.5 M.125 I 2 k0.188 I 3.4 Wheel Dimensions.
9、 Abrasive wheel dimensions, tolerances, and the maximum safe revolutions per minute (RPM) in use speed shall be in accordance with ANSI B7.1 and Table III. 4. REGULATORY REQUIREMENTS 4.1 Redatow Requirements. The offeror/contractor is encouraged to use recovered materials to the maximum extent pract
10、icable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). 4.2 Metric Products. Products manufactured to metric dimensions will be considered on an equal basis with those manufactured using inch-pound units, provided they fall within the tolerances specified and all oth
11、er requirements of this document are met. If a product is manufactured to metric dimensions and those dimensions exceed the tolerances specified in inch- pound units, a request should be made to the contracting officer to determine if the product is acceptable. 2 Provided by IHSNot for ResaleNo repr
12、oduction or networking permitted without license from IHS-,-,-A-A-59292 9038054 0002975 59b A-A-59292 TABLE III. Wheel dimensions, tolerances, and safe in use stleed. - 1/ OD tolerance up to and including 16 inches = lr0.188 inch. - 2/ IDtolerance = k0.010inch. - 3/ Width tolerance up to and includi
13、ng 1 inch = +0.188, -0 inch. Over 1 inch = fl.188 inch. Over 16 inches = k0.125 inch. 5. QUALITY ASSURANCE PROVISIONS. 5.1 Product Conformance. he product provided shall meet the salient characteristics of this CID, conform to the producers own drawings, specifications, standards, and quality assura
14、nce practices, and be the same product offered for sale in the commercial market. The Government reserves the right to require proof of such conformance. 5.2 Market Accetltabilitv. The following market acceptability criteria are necessary to document the quality of the product to be provided under t
15、his CID. 5.2,l The company producing the abrasive wheels must have been producing a product meeting the requirements of this CID for at least one year. 6. PACKAGING 6.1 Preservation and Packing. Preservation and packing shall be as specified in the contract or order. 6.2 Marking. The wheels shall be
16、 identified and marked in accordance with ANSI B74.13. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-59292 H 9018054 0002976 422 H A-A-59292 7. NOTES. 7.1 Part Identification Number (PIN). Wheels conforming to this CID shall be identified by
17、 a part number configuration consisting of the CID number, grade, class, and wheel size. An example of the part number configuration is as follows: AA59292B 1 14 Wheel size OD (see Table III) Class (see 2.1) Grade (see 2.2) CID number Part number AA59292B114 is for a Grade B, Class 1,14-inch OD whee
18、l. 7.2 National Stock Numbers. 5345-00-617-32165 5345-00-732-9977 I 5345-00-732-9978 5345-00-732-9988 5345-00-732-9989 . 5345-00-762-3 166 5345-00-762-3 175 5345-01 -050-9703 7.2 Source of Documents. 7.2.1 ANSI Standards are available from the American National Standards Institute, Inc., 1 1 West 42
19、nd Street, New York, NY 10036. 7.2 Ordering Information. The purchaser should select the preferred options permitted herein and include the following information in procurement documents: a. Title, number, and date of this commercial item description. b. Grade, class, and wheel size. c. Preservation
20、, packing, and marking. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59292 9038054 0002777 369 W A-A-59292 MILITARY INTERESTS: custodians: Navy - AS Air Force - 99 Army-MR CIVIL AGENCY COORDINATING ACTIVITY: GSA/FSS - 7FXE Preparing Activity: Navy - AS (Project 5345-0064) Review Activity: , AirForce-84 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
