1、I* _I I 4 : -. *. I . :. I VIL-B-23360B i. *I * *. -: : .I 30 Anril 1970 SUPERSEDING 20 February 196s IFITERIM AMENDMENT 3( MU) 1 April 1969 .I . -. -$*. * / -e- ._ VIL-B-23360A i. MILITARY SPECIFICATION BOMB, INCENDIARY. TH3, 4-POUND, F126 This specification is mandatory for use by all De- partment
2、s and Agencies of the Department of Defense. 1. SCOPE 1.1 This specification covers the filling and assembly of the M726 incendiary bomb, 2. APPLICABLE DQCUYENTS 2.1 The following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of this specificati
3、on to the extent specified herein. STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for Insnection by * MIL-STD-129 - Marking for Shipment and Storage. MIL-STD-1168 - Lot Numbering of Ammunition. DRANINGS Attributes. US ARYY MUNITIONS COMMAND EDGEWOOD ARSENAL DL14-5-3018 - Bomb, Incen
4、diary, 4 Pound, TH3, M120. IDL14-5-3018 - Bomb Incendairy, 4 Pound, TH3, M126, Inspection Data List. FSC 1325 THIS DOCUMENT CONTAINS PAGES, Licensed by Information Handling ServicesMIL-B-233bOB 13 77777Ob 0303332 O W MIL-B-233606 (Copies of specifications standards, drawings, and puhlicatians reqiii
5、red by suppliers in connection with specific procurement functions should be obtained from the procurins activity or ar directed by the contractinq off i Cer. ) 3. REQUIREMENTS 3.1 Naterial s and components. 3.1.1 Materials. All materials cited on Drawing DL14-5-3018 or on the subsidiarfir-s shall c
6、onform to the specifications thereon, or to the speci f i c characteristics set forth on the drawi nqs . 3.1 .2 Com onents . Al 1 components chal 1 conform to the specification& and drawings re- isted on Drawing DL14-5-3018 and subsidiary drawings. 3.2 Filling and assembly. 3.2.1 Filling. (see 6.2).
7、 (a) Main charqe. The bomb shall be filled with thennate TH3 as specified on Drawing 07a-5-3018. The themate shall be consolidated in no less than 3 approximately eaual increments under a minimum dead load of 6500 pounds and a maximun of 7500 pounds dead load. be maintained for a minimum of 3 second
8、s for each increment. The ram used for the consolidation of all increments shall be shaped to give the depres- sion as shown on Drawing 014-5-3018. The dead load shall (See 6.3). (b) First fire mixture. The bomb shall contain 42 to 62 grams of first fire mixture. The mixture shall be consoldiated at
9、 a dead load of 6500 to 7500 pounds, using a ram shaped to form the depression shown on Drawing 014-5-3018. The dead load shall be maintained for 3 to 5 seconds. 3.2.2 Assembly. The bomb shall be assembled in accordance with Drawing D14-5-3018. 3.3 Functioning. The bomb shall function as follows: (a
10、) Primer detonation. (b) Ignition of first-fire mixture. (c) Ignition of thermate (TH3). (d) Complete burning of the magnesium body to full depth of the thermate. 3.3.1 Five foot dro . The bomb shall not function when dropped from a height of-idches and tested as specified in 4.4.4 and 4.4.5. 3.3.2
11、Forty-foot drop. The bomb shall function when dropped from a height of 40 feet - + 3 inches and tested as specified in 4.4.4 and 4.4.5, 2 1 Licensed by Information Handling ServicesMIL-B-233bOB 13 W 7977706 0303333 2 W - - - MI L - B - 2 3360B 3.4 Preproduction. Prior to the start of regular product
12、ion, a pre- production lot of bombs shall be produced in accordance with this specification for examination and test (see 4.3). 3.5 lorkmanship. The bomb shall be free of all foreign matter and damage such as cracks, and deformation which could affect its intended use . 4. QUALITY ASSURANCE PROVISIO
13、NS 4.1 Responsibility for inspection. - 4.1 .l Suppliers responsibility-. Unless otherwise specified in the contract or purchase order, the supplier is responsibie for the perform- ance of all inspection requirements as specified herein. Except as otherwise specified in the contract or order, the su
14、pplier may use his own or any other facilities suitable for the performance of the inspec- ti on requirements specified herein, un1 ess di sapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspection are deemed
15、necessary to assure supplies and services conform to specified requirements. 4.1.2 Objective evidence. The supplier shall provided objective evidence acceptable to the contracting officer that the requirements of 3.1 and section 5 for which specific inspection has not been pro- vided in this specifi
16、cation have been satisfied. 4.2 Classification of inspections. The inspection requirements specified herein are classified as follows: (a) Preproducti on i nspecti on (see 4.3) . (b) Qual ity conformance inspection (see 4.4). 4.3 Preproduction inspection. 4.3.1 - Lot. A preproduction lot of 2000 bom
17、bs shall be manufactured using the same methods, materials, equipment, and processes as will be used during reaular production. 4.3.2 Sampling. 4.3 2.1 For exami nati on. Sampl i ng s ha1 1 be conducted in accordance with MIL-STD-105, general inspection level III. 4.3.2.2 For destructive tests. Eigh
18、ty bonibs shall be taken at random, 40 for the 5-foot drop test and 40 for the 40-foot drop test. 3 Licensed by Information Handling ServicesMIL-8-23360B 13 779770b 030333q i.I Il I L - I3 - 2 3 36 OB 4.3.3 Inspection procedures. 4.3.3.1 . For examination. Sample bombs shall be examined in accordanc
19、e . with the classification of defects and MIL-STD-105. 4.3.3.2 .For destructive tests. - Sample bombs shall be tested in accord- ance with 4.4.4 and 4.4.5. 4.3.3.3 Acceptance/rejection criteria. The preproduction lot shall meet the examinations and tests specified herein to be acceptable. The suppl
20、ier shall obtain written approvai from the contracting officer prior to pro- ceedi ng with regular production. 4.4 Quality conformance inspection. 4,4,1 Lotting. Each lot shall be identified and controlled in accordance with MIL-STD-1168. Contained in any one interfix number of bombs, no more than o
21、ne interfix number from one manufacturer produced in one week of the following components is permitted: (a) M126 bomb hardware (b) Fin assemblies (c) First fire mixture (d) Thermate 4.4.2 Sampling. 4.4.2.1 For examination. Sampling shall be conducted in accordance with MIL-STD-105. 4.4.2.2 For destr
22、uctive te*. (a) (b) Five-foot dra. Forty-foot drop. Forty bombs, 20 for first sample and 20 for second sample, shall be taken at random from each production lot for test. second sample, shall be taken at random from each production lot for test. Forty bombs, 20 for first sample and 20 for 4.4.3 Insp
23、ection procedure, 4.4.3.1 For examination. Sample bombs shall be examined in accordance with the classification of defects and MIL-STD-105. 4.4.3.2 For destructive tests. Sample bombs shall be tested in accord- ance with 4.4.4 and 4.4.5. 4 Licensed by Information Handling ServicesRI L-B-23360B 4.4.3
24、.3 -A- For critical -.- defects. - Etch bomb shall be inspected for its cri tical characteristic listed in the classification of defects. 4.4.3.4 Classification -il -_- of defects. -.- (See Inspection Data List IDL14-5-3018 for inspection equipment required to perfom the exam- - inations prescribed
25、in this section). (a) -2- Bomb incendiary, - 4-1b, TH3,&assembly (Dws - 014-5-3018) Categories Cri ti cal : PI_ 1 Ma j or : AQL “101 102 103 104 105 106 107 *lo8 1 o9 110 111 *112 Defects L- - - Safety plunger missing 1 .O percent ciefective Filling damaged or incorrect Component missing or incorrec
26、tly assembled Depth to first fire mixture incorrect Drive screw loose or not flush Marking i 11 egi bl e or incorrect Waterproof i ng missi ng Overall ength incorrect Sealing compound missin or inadequate. if appl i cab1 e. Safety pt unger nonfunctional Workmans hi p ( 3.5) Loose first fire mixture
27、on top of consolidated First fire mixture, and quantity is incorrect Add first fire mixture, exceeds 5 grams *Check prior to completing assembly. *Sealing compound is applied to one bomb per cluster. (6) _. Holder, primer - - assembly (Dwg -_- A14-5-115) Categori e? Cri ti cal : c- - Major : AQL 101
28、 1 o2 103 Defects . -.- None defined 0.65 percent defective P r i nier mi s s i ng Primer loose W or kma ns h i p ( 3 5 ) 5 Licensed by Information Handling Services. MIL-B-23360B 13 H 777770b 0303336 MIL-B-23360B. 4.4.4 Tests. The bomb shall be dropped, nose-down, from the specified height, as appl
29、icable, onto a level 1/2-inch-thick, nominal, steel plate, 4- to 6-inches square, imbedded in a concrete block at least 12 by 12 by 12 inches and placed on a level concrete surface. 4.4.5 Acceptance/rejection criteria. Each regular production lot shall be accepted in accordance with table I. Table I
30、. Acceptance/rejection criteria : Test : 1st : Failures: Action : 1st : Failures: Action : : sample : : sample : . :plus 2nd : : sample : O : Accept : :1 : Accept : : 5-fOOt : 20 : 1 : Test : 40 :2 or more: Reject : : sample :. %?-%e: Reject : :drop test: : 2nd : :drop test: : 2nd : : O : Accept : 1
31、 : Accept : : 40-foot : 20 : 1 : Test- 40 :2 or more: Reject : : sample : :2 or more: Reject : _ 5. PREPARATION FOR DELIVERY 5.1 Packaging, and packing information is not applicable to this specification. 6. NOTES 6.1 Ordering data. Procurement documents should specify the following: (a) Title, numb
32、er, and date of this specification. (b) If special packaging and packing is required for training purposes, this information will be made available upon request to the preparing activity . incendiary material , filling installations are advised to take all necessary precautions to protect personnel
33、from injury when filling bombs. 6.2 Caution. Due to the hazardous nature of filling munitions with Licensed by Information Handling ServicesMI L-B-23360B 6.3 Filling. The approximate weight of the thermate TH3 chame for each bomb is 9.35 ounces. procurement and not as a criterion for filling. This infopnation is furnished as an aid to Cus todi ans : Atmy - MU Air Force - 70 Review activity : Air Force - 70 Preparing activity: ATTIY - MU(EA) Project No. 1325-0146 7 Licensed by Information Handling Services
