DLA MIL-B-7525 B-1971 BRACKET AND RECEPTACLE HOT CUP AIRBORNE《空运使用的保温杯的支架和容器》.pdf
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1、MIL-B-7525B -. 1. SCOPE r MILITARY SPECIFICATION 29 January 1971 SUPERSEDING MIL-B- 7 5 25A (USAF) 3 October 1957 MIL- B-7 526B( USAF) 22 October 1957 MIL- B-7 5278 (US) 22 January 1958 MIL- B- 7 5 28 B (USAF) 22 Oct 1957 BRACKET AND RECEPTACLE, HOT CUP, AIRBORNE This specification is mandatory for
2、use by all Departments and Agencies of the Department of Defense. 1.1 Scope. This specification covers four types of hot cup brackets and receptacles to be used aboard aircraft with hot cups conforming to MIL-H-21303. 1.2 Classification. ing types as specified (see 6.2). Hot cup brackets and recepta
3、cles shall be of the follow- -.a Type A-1 Type A-2 Spe 8-1 Type B-2 4-Cup unit, 28 Volt6 (see fig 1 and 2) 1-Cup unit, 28 volts (see fig 5 and 6) 4-Cup unit, 115 volts (see fig 3 and 4) 1-Cup unit, 115 volts (see fig 7 and 8) 2. APPLICABLE DOCUMENTS 2.1 bids or request for proposal, form a part of t
4、he specification to the extent specified herein. The following documents of the issue in effect on date of invitation for / SPECIFICATIONS Federal QQ-A-250 QQ-A-250/1 QQ-A-250/2 QQ- S-7 66 QQ-W-423 PPP- B- 60 1 PPP- B- 636 PPP- T- 60 Aluminum Alloy, Plate and Sheet, General Specification for Aluminu
5、m Alloy 1100, Plate and Sheet Aluminum Alloy 3003, Plate and Sheet Steel Plate, Sheet, and Strip - Corrosion Res ist ing Wire, Steel, Corrosion Resisting Boxes, Wood, Cleated-Plywood Box, Fiberboard Tape, Pressure Sensitive- Adhesive, Waterproof, for Packaging r - f THIS DOCUMENT CONTAINS 16 PAGES.
6、._ . - - - -_- .SC 7310 - - Licensed by Information Handling ServicesMIL-B-75258 73 %$ 7779106 0233073 L MIL-B-7525B Mi 1 it ar y MIL-P- 116 Preservation, Methods of MIL-W-5088 Wiring, Aircraft, Installation of MIL-W-6858 Welding, Resistance, Aluminum, Magnesium, Non- Hardening Steels or Alloys, Nic
7、kel Alloys, Heat- Resisting Alloys, and Titanium Alloys, Spot and Seam Support Equipment, Aeronautical, Special, General Specification for the Design of Spring, Helical, Compression and Extension Hot Cups, Liquid, Electric, Airborne MIL-S-8512 MIL-S-13572 MIL-H- 2 1303 STANDARDS Mi 1 i tar y MIL- ST
8、D- 105 Sampling Procedures and Tables for Inspection by Attributes MIL-STD-129 , Marking for Shipment and Storage MIL-STD- 130 Identification Marking of U.S, Military Property MIL-STD-1186 Cushioning , Anchoring , Bracing , .Blocking, and Waterproofing, with Appropriate Test Methods MS 25231 Lamps,
9、Incandescent, Single Contact, Miniature Bayonet Bas e MS 35206 Screw, Machine, Pan-Head, Cross-Recessed, Carbon Steel, Cadmium Plated, UNC-2A Air For ce -Navy Aeronautical AN373 Nut, Self-Locking, Plate, Countersunk, looo, 250F (Copies of specifications and standards required by suppliers in connect
10、ion With specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) 2.2 Other publications. The following documents form a part of this specifi- cation to the extent specified herein. Unless otherwise indicated, the issue in effect on da
11、te of invitation for bids or request for proposal shall apply. National Bureau of Standards Handbook H-28 Screw-Thread Standards for Federal Services (Application for copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington, D. C. 20402.) National Motor F
12、reight Traffic Association, Inc. National Motor Freight Classification (Application for copies should be addressed to the American Trucking Associa- tions, Inc., Attn: Tariff Order Section, 1616 P St., N. W., Washington, D.C., 20036 .) _- .- 2 Licensed by Information Handling ServicesMIL- B- 7 525B
13、Uniform Classification Committee Uniform Freight Classification (Application for copies should be addressed to the Uniform Classification Com- mittee, 202 Union Station, 516 W. Jackson Blvd., Chicago, 11. 60606.) 3. REQUIREMENTS 3.1 First article. Unless otherwise specified (see 6.2), this specifica
14、tion provides for first article testing and inspection. A first article comprises a preproduction model or initial production sample; approval involves testing and evaluating the first article for conformance with the requirements herein before, or in the initial stage of production under a contract
15、. Approval of the first article shall not relieve the supplier of the responsibility to furnish equipment in accordance with the requirements of this specification. 3.2 Design. Hot cup brackets and receptacles shall be either single or four cup units and shall be designed to conform to figures 1, 3,
16、 5, or 7. Spes A-1 andA-2 shall be designed to operate on 28 volts and Types B-1 and B-2 shall be designed to operate on 115 volts. The back of each bracket shall be readily removable for access to the components and wiring. All components shall be mounted in such a manner that will allow easy maint
17、enance or replacement using tools and maintenance equipment normally available as commercial standards. Special and commercial standard tools are defined in MIL-S-8512. 3.2.1 Material. The hot cup bracket shall be constructed of 0.032 inch thick anodized aluminum conforming to QQ-A-250/1 (H14 or H24
18、), or QQ-A-250/2 (H14 or H-24), or corrosion resisting steel conforming to QQ-S-766, class 201, 202, 302, or 304. with at least a 180 grit finish. Corrosion resisting steel shall be 0.024 inch thick (24 gauge) 3.2.2 Interchanpeability. All parts having the same manufacturers part num- ber shall be f
19、unctionally and dimensionally interchangeable. All parts shall be manufactured to such standards as will permit replacement without modifica- tion of parts or equipment. 3.2.3 Threads. All threaded parts shall be in the inch system and shall conform to Handbook H28. 3.3 Construction. The hot cup bra
20、ckets shall be of spot-weld construction, shall be complete and ready for use when connected to a suitable souree of power. repair. The brackets shall be fabricated of parts which are sound and free from Defective parts shall not be reclaimed for use. 3.3.1 Welding. material being used. Spot welding
21、 shall be in accordance with MIL-W-6858 for the All discoloring shall be removed from the weld areas. 3.3.2 Fastening devices. All screws, pins, and similar parts shall be instal- led with means to prevent loss of tightness. adjustment shall not be swaged, peened, or otherwise permanently deformed.
22、Thosesubject to removal or 3.4 Components. retainer, receptacle, indicator light, timer, and electrical cord. The hot cup bracket shall consist essentially of a cup 3.4.1 meter coil extension spring for retaining hot cups conforming to MIL-H-21303 Spring retainer. Each bracket shall be furnished wit
23、h a 3/16 inch dia- - - .- - P - I 7 3 Licensed by Information Handling Services- - _._ . .- - . . _,- NIL-B-7525B 73 a 7477706 0237073 T EWl f . .-. . . ,- i 1 . MiL-B-7525B c .- t . r. I 4 i 42 -U - IS ;? -. Licensed by Information Handling ServicesLicensed by Information Handling Services. - MIL-R
24、-7525B 73 7997906 0237075 3 W *: .7,? . . I .i i- . 6 :7 I. I. .I . t Licensed by Information Handling Services: . MIL-B-75258 73 S 997770b 023707b 5 1 P zd2- - I ,. I. FIGURE 4 7 7. VIR 4 HOLES c Licensed by Information Handling Services. . TYPE A-2 FIGURE 5 8 ,- . 9 Licensed by Information Handlin
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