1、NIL-S-OLl LO 7977706 0292293 T -s- 3-7 - 8 fs MIL-97804 19 NDVEMBER i951 , MILITARY SPECIFICATION SHACnLE, BOMB, MARI 8 MOD 2 MARg 8 MOD 3 MARK 8 MOD b This specification was approved by the Departments of the Army, the Navy, and the Air Force for use of procurement services of the respective Depart
2、ments. 1. SCOPE 1.1 Scope.- This specification covers the manufacture, inspection, and testing of one typemmb shackle, designated Bomb Shackle, Mark 8, Mod 2, Mod 3, or Mod 4 for use in suspending and releasing bombs, depth charges, etc., from various types of air- craft. Classification.- The model
3、designation of the Mark 8 shackle is determined i 1.2 - by the steel used for manufacture of the bomb suspension hooks. ponents aro identical. assigned for eachmaterial is listed below: All other shackle com- The materials specified for hooks, ard the model designation Model Type Steel Used For Hook
4、s Applicable Steel Specifications - 2 3 *4 AIS1 4,340 AIS1 U0 HI-TUF Additional information on hook details is contained in the Aero 1 Type Bomb Shackle Hook Specification Ma-H-68ll. (See paragraphs 2.1.1 and 2.1.3.) 2. APPLIGALE SPECIFICATIONS, OTHER PUBLICATIONS, AND DRAWDIGS 2.1 The foloIring pub
5、lications, of the issue in effect on date of invitation for bids, shall form a part of this specification to the extent specified herein: 2.1.1 Specifications. - Military MIL-H-6BI.I. Hook; Bomb Shackle, Aero I Type NILS-5000 Steel; Chrome-Nickel-Molybdenum (4340) Bars, and Reforging Stock MIES-5626
6、 Steel; Chrome-Molybdenum (4l40) Bars, Rods, and Forging Stock (For Aircraft Applications) MIES17108 Steel, Alloy (Manganese-Silicon-Nickel) , Bars and Forging Stock MIL-T-7743 (Aer) Testing; Store Suspension Equipment - THIS DOCUMENT CONAINS ,- -e- - _- . . Provided by IHSNot for ResaleNo reproduct
7、ion or networking permitted without license from IHS-,-,-MIL-S-7804 (November 1951) JAN-P-100 JAN-P-105 JAN-P-106 JAN-P-108 * JAN-P-120 JAN-P-133 JAN-P-139 Packaging and Packing for Overseas Shipment - General Specification Packaging and Packing for Overseas Shipment - Boxes, Wood, Cleated, Plywood
8、Packaging and Packing for Overseas Shipment - Boxes; Wood, Nailed Packaging and Packing for verseas Shipment - Boxes, Fiberboard (V-Board and W-Board), Extierior and Interior Packaging and Packing for Overseas Shipment - Cartons, Folding, Paperboard Packaging and Packing for Overseas Shipment - Boxe
9、s, Set-up, Paperboard Packaging and Packing for Overseas Shipment - Plywood, Container Grade Air Force-Navy Aeronautical AN-P-13 Preservation and Packaging; Parts and Equipment (General Specifications For) 2.1.2 Other Publications.- Militam Standards (Book) MIL-STD-129 Marking of Shipments Air Force
10、-Navy Aeronautical Bulletin No. 143 Specifications and Standards; Use of 2.1.3 Drawings.- Bureau of Aeronautics Drawings Sketch 48Ah Bomb Shackle, Mark 8 Mod 2 Sketch m4.4 Bomb Shackle, Mark 8 Mod 3 Sketch siAl45 Bomb Shackle, Mark 8 Mod 4 (Copies of specifications, standards, and drawings required
11、by contractors in con- nection with specific procurement functions should be obtained Prom the procuring agency or as directed by the contracting officer.) . 3, REQUIREMENTS 3,1 Materials.- Materials shall conform to applicable specifications as specified herein. commercial quality, of the lghtest p
12、racticable weight, and entirely suitable for the purpose intended. Materiais which are not covered by applicable specifications sMl be of the best 3.1.1 Critical Materials.- If the materials specified in this specification, a?- * plicable specifications, and/or drawings for the production of the sub
13、ject item are criti- cal materials as defined by the National Production Authority, the contractor shall list such materials and notify the procuring agency as to Lts availability to the contractor. In cases Hhere ma5erial is difficult to procure, the contractor shall also prescribe which critical o
14、r less critical material can be substituted without departing, revising, or changing the original design and/or function of the subject item. No substitution of such material shall be permitted without prior written approval of the procuring agency. Provided by IHSNot for ResaleNo reproduction or ne
15、tworking permitted without license from IHS-,-,-MIL-S-7804 20 7797706 0292293 3 = _- _P - MIL-S-7804 (November 1951) 3.1r2 Selection of Materials.- Specifications and standards for igl materials, parts, and Government certification and approva3, of processes and equipment, which are not specifically
16、 designated herein and which are necessary for the execution of this specification, shall be selected in accoldance with ANA Bulleth No. 143. except as pro- vided in the following pasagraph. 3.2.1 AN or JAN Standard Parts.- AN or JAN Standard parts shall be used wherever they are suitable for the. p
17、urpose, and shall be identified on the drawing by their part numbers. used,provided they possess suitable properties and are replaceable by the AN or JAN Standard parts without alteration, and provided the corresponding AN or JAN part numbers are refer- enced n the parts list and, if practicable, on
18、 the contractors drawings. In the event there is no suitable corresponding AN or JAN Standard part in effect on date of invita- tion for bids, commercial parts may be used provided they conform to ai requirements of this specification. The bomb shackle covered by this specification shall be capable
19、of The shackle is designed for use in both dive and horiBontal Commercial utility parts such as screws, bolts, nuts, cotter pins, etc., may be I 3.2 Furpose.- c-.- suspending and releasing any one U. S. Navy or -Navy bomb or mine of a nominal weight between and including 100 lb and 2,000 Xb and equi
20、pped with two suspension lugs spaced 4 inches center to center. bombing, and its performance shall comply with the requirements of the most severe appli- cable conditions listed in Specification blIL-T-7743(Aer), except as otherwise noted therein. manual release system of the airplane, and has provi
21、sions for easy latching, and safe locking when suspended or mounted, either externally, as from an airplane wing or fuselage, or internally as within a bomb-bay. The shackle may be actuated electrically by a bomb shackle release or by the 3.3 1nterchangeability.- AU parts shall be capable of interch
22、angeable assembly, except such parts as are permanentLy joined to other parts, as by riveting, or welding, in which case the unit thus formed by the permanent joining of parts shall be inter- chwgeable with all other like units, for use, where necessary to insure such interchangeability. * Jigs and
23、gages shall be provided by the conh-actor 3.4 Conformance with Drawings and Specifications.- Ail component parts shaU be in strict conformity with the applicable approved drawings and material specifications listed .in paragraph 2.1.3. tions shall be permitted without prior approval by the procuring
24、 agency. processes and finishes shall be as shown unless otherwise approved. (See paragraph 6.1.) No departures from the tolerance shown on the drawings or specifica- Manufacturing 3.5 Workmanship.- The worhanship shall be that required by the best comercial practice covering this type of equipment,
25、 for the quantity production of analogous parts. All operating parts of the shackle shall have a smooth workmanlike finish, free from flaws, ragged edges, or tool marks. burrs removed, The exterior shall have a smooth finish with all 4. SAMPLING, INSPECTION, AND TEST PROGEI%RES 4.1 Classification of
26、 Tests.- The inspection and testing of bomb shackles shall be classified as follows: Preproduction tests: accomplished on samples which axe representative of the production of the item after the award of contract, to. determine that the production meets the requirements of thls specification, Prepro
27、duction tests axe those tests Inspection tests: accompIished on bomb shackles manufactured and submitted for acceptance under contract. Inspectton tests are those-tests 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-7804 10 m 706 0272274 5 M
28、n-S-7804 (November 1951) 4.2 heproduction - Tests.- 4.2.1 -ling Instructions.- The first five bomb shackles under each contract eha3.l be Preproduction samples and shall be delivered for hspection and testing as dbected, together with a certification by the cognizant inspector that the materials use
29、d in their manufacture are in accordance with pertinent specifications. 4.2.2 Tests.- The Preproduction samples shall be checked for strict conformance with the pertinent drawings and specifications, and for any or all test requirements listed in Specification MIL-T-7743. 4.2.3 Correction of Defects
30、l- Any defects discovered during the inspection and testhg of the heproduction samples shall be corrected by the contractor. measures-as may be found necessary shil likewise be incorporated in ail subsequent bomb shackles offered for acceptance under the contract. Such corrective 4.3 Inspection Test
31、s.- The bomb shackle, as described and defined herein, together with all the materials used in the manufacture thereof, shall be subjected to inspection at the contractors plant, or elsewhere, by authorized Government Inspectors. 4.3.1 Materials Inspection.- 4.3.1.1 Commercial Materials.- When mater
32、ials are procured under commercially recognized non-Government specifications, such as by SAE numbers, a certificate showing compliance with such specifications shrill be furnished by the supplier of such material. Such certificate shall be in a form acceptable to the Goverment Inspectoro 4.3.1.2 Ap
33、proval of Materials in Process.- Inspection and approval of material in process during the course of manufacture shall not be construed as insuring the acceptance or approval of the finished pkoduct. 4.3.2 Individual Tests.- These tests shall be performed by the contractor. 4.3.2.1 Examination of Pr
34、oduct.- Each bomb shackle offered for acceptance under the contract shall be inspected to insure that it has been properly assembled and adjusted, and that the workmanship and finish are in keeping with the intent of this specification and applicable drawings in accordance with the requirements of p
35、aragraph 3.Se or dimensions listed below are considered especially critical and shall be given 100 per- The parts cent .inspection. (a) The dimension, 4.187 inches, from the inside edge of one stirrup to the inside edge of the ofher stirrup as indicated on Drawing 437786, as shown on Sketches 48114,
36、 Dimension, 1-1/32 inches, from bottom of stirrup pins to top of shackle as indicated on Drawing 437787, as shown on Sketches 48A4, 51Al44, and 5lAl45. Positioning of mounting provisions as indicated on Draw- ings 437786 and 437787, as shown on Sketches 48A443 51Al44, Mating surfaces between pieces
37、437790-2 and 437790-7, as shown on Sketches 48A4, SlAl) and the fact that the Govern- ment may have formulated, furnished, or in any way supplied the said drawings, specifications, or other data is not to be regarded by implisation or otherwise as in any manner licensing the holder or any other person or corporation, or conveying any rights or permission .to manufacture, use, or sell any patented invention that may in any way be related thereto, Custiodian: Navy - Bureau of Aeronautics Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
