1、c A-A-58089 9999974 O373063 32T c INCH-POUND A-A-58089 10 December 1996 COMMERCIAL ITEM DESCRIPTION COMPARATOR, BENCH TYPE, ELECTRONICALLY AMPLIFIED The General Services Administration has authorized the use of this commercial item description as a replacement for MIL-C-83988 and MIL-C-83997 for all
2、 federal agencies. 1. SCOPE 1.1 Scope. This commercial item description (CID) covers electronically amplified bench type comparators. 1.2 Intended us e. Comparators covered by this CID will be used for determining ultra-precision dimensional values and accuracys of master inspection rings, disc, gag
3、e blocks, and for determining accuracys of other measuring devices. 2. CLASSIFICATION 2.1 Comparators covered by this CID shall be of the following types, styles, classes and sizes. The types, styles, class and sizes shall be as specified (see 7.3). Type1 - RingandDiscs Style 1 - Horizontal Measurem
4、ent Class A - Computer Interface ClassB - NoInterface Size 1 - .040“ to 12.000” I.D. 0” to 10.750” O.D. Size 2 - .040” to 13.250” I.D. O” to 12.250” O.D. TypeII - GageBlock Style 2 - Vertical Measurement Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any other d
5、ata which may improve this document should be sent to: WR-ALCLKJE, 460 Second Street, STE 221 Robins AFB GA 3 1098- 1640 AMSC NJA FSC 5220 DISTRIBUTION STATEMENU . Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without lic
6、ense from IHS-,-,-A-A-58089 m 9999974 0373064 O66 1 Amplifier Scales High Low ! b A-A-5 8089 Measurement Range Per Division f 0.00002“ 0.000,001“ f 0.0002“ o.ooo,o 1 O“ Class A - Computer Interface ClassB - NoInterface Size 3 - O“ to 4.00“ Range Size 4 - O“ to 24.00“ Range 3. SALIENT CHARACTERISTICS
7、 3.1 General requirements . The comparator shall be new and of the quality and design currently being offered by manufactures as a industry excepted standard. The comparator shall be a self contained portable unit with digital readout which shall be an integral part of the assembly. The comparator s
8、hall be capable of a full range of repetitive gaging accuracys comparison to within .000001“. A floating frame design or system equal to or better shall be utilized to provide a true high sensitive point to point measurement with the reliable simplicity of a single electronic gage head. The comparat
9、or may provide computer interface in accordance with EIA RS- 232. 3.2 Construct ion. Construction shall be free from any defects which would adversely affect the performance or maintainability of the individual components or overall assembly. The comparator shall be complete so that when assembled a
10、nd connected to the specified source of power it shall be ready for operation. 3.3 Elect rica1 reau- . The comparator shall be a self contained portable unit designed to operate from a dual 115/220 volts AC, 50/60 Hz. Unless otherwise specified (see 7.3), the comparator shall be initially wired for
11、1 15 volts operation. The power supply cord and its plug shall comply with requirements of UL 45. 3.4 Electronic am plifier. The amplifier shell be solid state and meet all current electronic gaging industry standards. It shall have two or more electronic stepper-switches to meet the requirements sp
12、ecified here in. . 3.5 Range and scale divisim . The amplifiers shall meet or exceed the range and scale divisions specified in Table I. . TABLE I. J&uge and scale divi-. 3.6 Coatinps or p- . Corrosion resistant treatment, painting, or plating shall be in accordance with manufacturers standard comme
13、rcial practice with the exception that there shall be no cadmium plating used on any component of the assembly. 3.7 -andaccessories . The comparator components and accessories shall be as specified (see 7.3). 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
14、 IHS-,-,-A-A-58089 = 9999974 0173065 TT2 W A-A-58089 3.8 Nameplae. A corrosion resistant nameplate, permanently and legibly marked with the following information shall be securely attached to a component of the comparator assembly. Nomenclature Manufacturers Model Number Manufacturers Serial Number
15、Stock Number Manufacturers Name Contract Number Special Characteristics (volts, watts, etc.) Date of Manufacture u. s. 4. REGULATORY REQUIREMENTS 4.1 Recycled. recovered. gr env ironmentally ureferab le materials. Recycled, recovered, or environmentally preferable materials should be used to the max
16、imum extent possible provided that the material meets or exceeds the operational and maintenance requirement, and promotes economically advantageous life cycle costs. 4.2 restrictions in effect on the date of the contract. These regulations apply to the emission of materials hazardous to the environ
17、ment or the operators health and shall be met during the manufacturing, service, transportation, storage, and operation of the comparator. . The comparator shall meet all applicable Environmental Protection Agency 5. QUALITY ASSURANCE PROVISIONS 5.1 Product Con formance . The Comparator provided sha
18、ll meet the salient characteristics of this commercial item description, conform to the manufactures own 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
19、 conformance. 6. PACKAGING 6.1 Preservatio n. vac-ck ins and specified in the contract or purchase order (See 7.3). . Preservation, packaging, packing, and marking shall be as 7. NOTES 7.1 Part Identification Number PIN). The following part identification numbering procedure is for government purpos
20、es and does not constitute a requirement for the contractor. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-58089 9993974 01173066 939 This example describes a part numbering system for CID A-A-58089. AA58089- 1 A 2 B Example of reference par
21、t number: Size: A - Size 1 - .040“ to 12.000“ I.D. O“ to 10.750“ O.D. B - Size 2 - .040“ to 13.250“ I.D. O“ to 12.250“ O.D. C - Size 3 - O“ to 4.00“ Range D - Size 4 - O“ to 24.00“ Range Class: 1 - Class A - Computer Interface 2 - Class B - No Interface i AA58089- 1A2B b Style: A - Style 1 - Horizon
22、tal Measurement B - Style 2 - Vertical Measurement A-A-58089 Type: 1 - Type I - Ring and Discs 2 - Type II - Gage Block ferenced documents. 7.2 Addresses for obtainin? copies of re UNDERWRITERS LABORATORIES (STANDARDS FOR SAFETY) UL 45 - Portable Electric Tools (Application for copies should be addr
23、essed to Underwriters Laboratories Inc., 333 Pfingsten Road, Northbrook, IL 60062 ELECTRONIC INDUSTRIES ASSOCIATION (EM) RS-232 - Interface between Data Terminal Equipment and Data Communication Equipment Employing Serial Binary Data Interchange. (Application for copies should be addressed to Electr
24、onic Industries Association, Engineering Department, 2001 Eye Street, N.W., Washington, DC 20006-5009.) 7.3 Order- . Acquisition documents must specify the following: a. Title, number, and date of this document b. Type, style, class and size comparators as required (see 2.1) c. Electrical power requ
25、irements, if different (see 3.3) d. Components and accessories as specified (see 3.7) e. Packaging requirements, if required (see 6.1) 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-5 8089 7.4 Hational Stoc k Numbers (NS Ns). The following is
26、the only NSN assigned which correspond to this CID. There are currently 82 NSNs with the same Approved Item Name (AIN) that may be indicative of all possible NSNs, associated with the CID. 5220-00-913-6333 7.5 Knownsou rces. The following is a list of sources known to meet the requirements of this C
27、ID. The list may not be indicative of all possible sources. STARRETT TOOLS STANDARD GAGES FEDERAL PRODUCTS 7.6 Subject term kev word) list inp. - Comparator Digital readout Floating fiame design Gage blocks Gage head, single electronic Point to point measurement Rings and Disc Stepper-switch , elect
28、ronic MILITARY INTERESTS: Custodians: Air Force - 99 Navy - AS hy-AR Rrviewers: hy - AT, AV, ME, MI CIVIL AGENCY COORDINATING ACTIVITY: GSA - FSS Preparing Activity: Air Force - 84 Agent Activity: Air Force - 99 (Project 5220-0229) 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
