1、 Beneficial comments, recommendations, additions, deletions, clarifications, etc., and any data which may improve this document should be sent to: Defense Supply Center, Columbus, ATTN: DSCC-VAT, P.O. Box 3990, Columbus, OH 43218-3990, or mailto:CircuitProtectdscc.dla.mil. Since contact information
2、can change you may want to verify the currency of the address information using the ASSIST Online database at http:/assist.daps.dla.mil. AMSC N/A FSC 5920 INCH-POUND A-A-55504C May 3, 2007 SUPERSEDING A-A-55504B January 20, 2006 COMMERCIAL ITEM DESCRIPTION FUSEHOLDER, EXTRACTOR POST, WHICH ACCOMMODA
3、TES 3AG (.25 INCH (IN) X 1.25 IN (6.35 MILLIMETERS (MM) X 31.75 MM) OR .196 IN X .787 IN (5 MM X 20 MM) FUSE CARTRIDGES The General Services Administration has authorized the use of this commercial item description for all federal agencies. 1. SCOPE. This commercial item description (CID) covers the
4、 general requirements for extractor post fuseholders that accommodate 3AG or 5 mm x 20 mm fuse cartridges. Requirements for specific fuses are covered in the individual CID specification sheets. Fuseholders covered by this CID are intended for commercial/industrial applications. 2. CLASSIFICATION/PA
5、RT OR IDENTIFICATION NUMBER (PIN). This CID uses a classification system which is included in the PIN as shown in the following example (see 7.1). AA55504 /01 - 002 D Abbreviated CID number Applicable CID specification sheet (one digit) Dash number (see applicable CID specification sheet) Rear termi
6、nal code (see table I and applicable CID sheet) 3. SALIENT CHARACTERISTICS. 3.1 Interface and physical dimensions. Fuseholders supplied to this CID shall be as specified on the applicable CID sheet. 3.2 CID specification sheet. The family of fuseholders shall be in accordance with the requirements s
7、pecified herein and the applicable CID specification sheet. In the event of a conflict between this general CID and the applicable CID specification sheet, the latter shall govern. 3.3 Ampere rating. The ampere rating shall be 20 amperes maximum. 3.4 Voltage rating. The voltage rating shall be 250 V
8、 ac maximum. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55504C 2 Figure 1. Rear terminal configurations. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55504C 3 TABLE I. Terminals. Rear
9、terminal code Rear terminal configuration A Quick connect .186 inch (4.74 mm) wide in-line (see figure 1). B Quick connect .186 inch (4.74 mm) wide right angle (see figure 1). C Quick connect .25 inch (6.35 mm) wide in-line (see figure 1). D Quick connect .25 inch (6.35 mm) wide right angle (see fig
10、ure 1). 3.5 Terminal plating. Terminals shall be tin plated brass. Use of pure tin plating is prohibited as a final finish and as an undercoat. Use of tin-lead (Sn-Pb) finishes are acceptable provided that the minimum lead content is 3 percent. 3.6 Rear terminal configuration (RTC). The RTC shall be
11、 as specified in table I and on the applicable CID sheet. The RTC codes A and B may be supplied with a tear-drop shaped hole. 3.7 Insulation resistance. The insulation resistance shall be 10,000 megohms minimum at 500 V dc in accordance with IEC 60127-6. 3.8 Contact resistance. The contact resistanc
12、e shall be less than 0.005 ohm average at currents up to 1 ampere in accordance with IEC 60127-6. 3.9 Dielectric strength. The dielectric strength shall be 4000 volts minimum. 3.10 Ambient temperature. The ambient temperature shall be -40C to +85C. 3.11 Vibration. Fuseholders shall withstand 10-500
13、hertz, .03 inch constant amplitude or 10 gs constant acceleration. 3.12 Fuseholder body material. The fuseholder body shall be thermoplastic with a UL 94HB flammability rating as a minimum. 3.13 Knob material. The knob material shall be either gray thermoplastic for the screwdriver slotted knob or b
14、lack thermoplastic for the finger grip knob with a UL 94HB flammability rating as a minimum. 3.14 Spacer material. The spacer shall be either neoprene or polycarbonate with a UL 94HB flammability rating as a minimum. 3.15 Mounting hex nut material. The mounting hex nut shall be of either black polyc
15、arbonate or thermoplastic with a UL 94HB flammability rating as a minimum. 3.16 Mounting. Threaded styles shall withstand 15 pounds per inch mounting torque. Maximum panel thickness .311 inch (7.90 mm). 3.17 Mounting holes. Mounting holes shall be as specified on the applicable CID sheet. 3.18 Marki
16、ng. Fuseholders supplied to this CID shall be marked with the manufacturers (MFRs) standard commercial PIN. (NOTE: The part number marked on the unit pack shall be the CID PIN.) 3.19 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable mate
17、rials should be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A
18、-55504C 4 3.20 Workmanship. Fuseholders shall be processed in such a manner as to be uniform in quality and shall be free from other defects that will affect life, serviceability, or appearance. 4. REGULATORY REQUIREMENTS. The offeror/contractor is encouraged to use recovered materials to the maximu
19、m extent practicable, in accordance with 23.403 of the Federal Acquisition Regulation (FAR). 5. PRODUCT CONFORMANCE PROVISIONS. 5.1 Product conformance. The products provided shall meet the salient characteristics of this CID, conform to the producers own drawings, specifications, standards, and qua
20、lity 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. 5.2 Market acceptance. The following market acceptance criteria are necessary to document the quality of the product to be provided und
21、er this CID: a. The company producing the item must have been producing a product meeting the requirements of this CID for at least 2 years. b. The company producing the item must have sold 1,000 units meeting this CID in the commercial marketplace over the past 2 years. 6. PACKAGING. Preservation,
22、packing, and marking shall be as specified in the contract or order. 7. NOTES. 7.1 PIN. The PIN should be used for Government purposes to buy commercial products to this CID. See section 2 for PIN format example. 7.2 Environmentally preferable material. Environmentally preferable materials should be
23、 used to the maximum extent possible to meet the requirements of this specification. Table II lists the Environmental Protection Agencys (EPA) top seventeen hazardous materials targeted for major usage reduction. Use of these materials should be minimized or eliminated unless needed to meet the requ
24、irements specified herein (see Section 3). Table II. EPA top seventeen hazardous materials. Benzene Dichloromethane Tetrachloroethylene Cadmium and Compounds Lead and Compounds Toluene Carbon Tetrachloride Mercury and Compounds 1,1,1 - Trichoroethane Chloroform Methyl Ethyl Ketone Trichloroethylene
25、Chromium and Compounds Methyl Isobutyl Ketone Xylenes Cyanide and Compounds Nickel and Compounds 7.3 Commercial and Government Entity (CAGE) code. For ordering purposes, inventory control, and submission of these fuses to DSCC under the Military Parts Control Advisory Group (MPCAG) evaluation progra
26、m, CAGE code 58536 should be used. 7.4 Source of documents. FEDERAL REGULATIONS FAR - Federal Acquisition Regulations (FAR). (Copies of this document are available online at http:/www.acquisition.gov/comp/far/index.html or from the U.S. Government Printing Office, 732 North Capital Street, NW, Washi
27、ngton D.C. 20401-0001.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55504C 5 Other Publications INTERNATIONAL ELECTROTECHNICAL COMMISSION (IEC) IEC 60127-6 - Fuse-holders for Miniature Cartridge Fuse-links. (Copies of this document are availa
28、ble online at http:/www.iec.ch/ or from the International Electrotechnical Commission, 3 Rue De Varembe, P.O. Box 131, CH - 1211, Geneve 20, Switzerland.) UNDERWRITERS LABORATORIES, INCORPORATED (UL) UL 94 - Safety Tests for Flammability of Plastic Materials for Parts in Devices and Appliances, Stan
29、dard For. (Copies of this document are available online at http:/ or from the Underwriters Laboratories, Incorporated, 333 Pfingsten Road, Northbrook, IL 60062-2096.) (Industry association specifications and standards are generally available for reference from libraries. They are also distributed am
30、ong technical groups and using Federal agencies.) 7.5 Ordering data. The contract or order should specify the following: a. CID document number, revision, and CID PIN. b. Product conformance provisions. c. Packaging requirements. 7.6 Government users. To acquire information on obtaining these fuseho
31、lders from the Government inventory system, contact Defense Supply Center, Columbus, ATTN: DSCC-FMXA, Post Office Box 3990, Columbus, OH 43216-5000, or telephone (614) 692-7435. 7.7 Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect to the
32、previous issue due to the extensiveness of the changes. MILITARY INTERESTS: CIVIL AGENCY COORDINATING ACTIVITY: GSA - FSS Custodians: Navy - EC Preparing activity: DLA - CC DLA-CC Project 5920-2007-040 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 http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
