AIR FORCE W-P-796 B-1974 PULLER FUSE《保险丝拉片》.pdf
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1、7-/0-!3 W-P-77bB 51 9779974 0043077 2 W-P-796B April 24, 1974 SUPERSEDING Fed. Spec:W-P-796a May 13; 1960 FEDERAL SPECIFICATION PULLERS, FUSE This specification was approved by the Commissioner, Federal Supply Service, General Services Administration, for the use of all Federal agencies. 1. SCOPE AN
2、D CLASSIFICATION 1.1 Scope. This specification covers pullers for use in removing and inserting cartridge-type fuses, 1/4 inch diameter to 2-1/2 inches diameter in size, that are used in electrical circuits up to 600 volts. 1.1.1 Federal s ecification coverage. Federal Specifications do not include
3、all varietr by the title of the specification or which are commercially available, but are intended to cover only those generally used by the Federal Government. 1.2 Classification. Fuse pullers shall be of the following types and sizes as specified (see 6.2) : Type I - Laminated construction. Size
4、1 - 1/4 inch through 1/2 inch, fuse diameter range. Size 2 - 1/2 inch through 1-1/4 inches, fuse diameter range. Size 3 - 1 inch through 2-1/2 inches, fuse diameter range. Type II - Molded construction. Size 1 - 1/4 inch through 1/2 inch, fuse diameter range. Size 2 - 1/2 inch through 1 inch, fuse d
5、iameter range. Size 3 - 1-1/2 inches through 1-3/4 inches, fuse diameter range. 2. APPLICABLE DOCUMENTS 2.1 The following documents, of the issues in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein: Federal Specification
6、: -7 PPP-P-40 - Hand Tools, Packaging, Packing, and Marking of. (Activities oqtside the Federal Government may obtain copies of Federal Specifications, standards, and Handbooks as outlined under General Information in the Index of Federal Specifications and Standards and at the prices indicated in t
7、he Index. for sale on a subscription basis by the Superintendent of Documents, U. S. Government Printing Office, Washington, DC 20402. The Index, which includes cumulative monthly supplements as issued, is FSC 5120 b THIS DOCUMENT CONTAINS PAGES. , Provided by IHSNot for ResaleNo reproduction or net
8、working permitted without license from IHS-,-,-W-P-796B (Single copies of this specification and other Federal Specifications required by activities outside the Federal Government for bidding purposes are available without charge from Business Service Centers at the General Services Administration R
9、egional Offices in Boston, New York, Washington, DC, Atlanta, Chicago, Kansas City, MOI Fort Worth, Denver, San Francisco, Los Angeles, and Seattle, WA. (Federal Government activities may obtain copies of Federal Specifications, Standards, and Handbooks and the Index of Federal Specifications and St
10、andards from established distribution points in their agencies.) Military Standards: MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes. (Copies of Military Specifications and Standards required by suppliers in connection activity or as directed by the contracting officer.) wi
11、th specific procurement functions should be obtained from the procuring 3. REQUIREMENTS 3.1 Design. suitable for removing (and inserting) cartridge type fuses used in electrical circuits up to 600 volts. (see 1.2 and 6.2) and shall be similar to the puller shown in figure 1 or figure 2, as applicabl
12、e. body during insertion and removal from the fuse holders. Size 1 pullers shall have fuse-gripping surfaces on one end only. which are held in the hand shall be provided with a means to prevent slipping. Fuse pullers in accordance with this specification shall be The pullers shall be of the type an
13、d size specified The fuse-gripping surfaces shall provide a firm grip on the fuse The surfaces of size 2 and size 3 pullers 3.1.1 Type I laminated construction type. Type I pullers shall be similar to figure 1 and comply with the dimensions of table I. alternate fiber or plastic sections riveted tog
14、ether to form a scissors-action puller, The center section or sections shall be shaped to form a rib or barrier to provide a firm surface against the fuse body during insertion in fuseholders. They shall be fabricated from 2 FIGURE 1. Type II Laminated construction. Provided by IHSNot for ResaleNo r
15、eproduction or networking permitted without license from IHS-,-,-3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-W-P-7 96 3.4 Identification marking. The manufacturers name or U. S. registered trademark shall be legibly and permanently marked on th
16、e puller in a conspicuous location in addition to any other markings normally included on the equivalent commercial product to indicate intended use or capacity. 3.5 Workmanship. The pullers shall conform to the requirements of this specification and shall be free from any defects which may impair t
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