1、 MIL-S-38380B 42 = 7777906 0458000 4 W -l 1 $.I f 5 Mav 1970 Superseding MIL-S-38 3gOA(USAF) 27 September 1968 MILITARY SPECIFICATION * SURVIVAL KIT CONTAINER, CNU-68BIP AND CNU-l55/P 1. SCOPE *l. 1 Scope. This specification covers the requirements for two types of . survivarkit containers for use w
2、ith the B-52 and F-5 aircraft. *l. 2 Classification. The survival kit containers shall be of the following types, as specified (see 6. 2): CNU-68B/P Survival Kit Container, F-5 Aircraft (with seat cushion CNU-l55/P conforming to Drawing 683280) Survival Kit Container, B-52 Aircraft (with seat cushio
3、n conforming to Drawing 70165) 2. APPLICABLE DOCUMENTS *2. 1 The following documents form a part of this specification to the extent specified herein. The applicable issues of the governmental documents shall be the issues in effect on date of invitation for bids or request for proposal. The applica
4、ble issues of the nongovernmental documents shall be those which are available in the files of the procuring activity and made a part of the invitation for bids or request for proposal. SPECIFICATIONS Federal L-P-383 PPP -B- 6 36 Milit aq MIL- P- 1 1 6 MIL- W - 40 88 MIL-S - 500 2 Plastic Material,
5、Polyester Resin, Glass Fiber Base, Low Pressure Laminated Box, Fiberboard Preservation, Methods of Webbing, Textile, Woven Nylon Surface Treatments and Metallic Coatings for Metal Surfaces of Weapons Systems FSC 4220 Provided by IHSNot for ResaleNo reproduction or networking permitted without licens
6、e from IHS-,-,-* e“TMIL-S- 38 380B(USAF) MIL - W - 56 25 MIL-C-5688 MIL - C -602 1 MIL- T- 6 1 1 7 MIL- W- 68 58 MIL - R- 7 57 5 MIL-S-7742 MIL-1-8500 MIL- W -8 6 11 MIL- A- 8 6 2 5 MIL- R- 9 300 MIL- P- 9400 MIL- F- 21 8 40 STANDARDS Webbing, Textile, Nylon, Tubular Cable Assemblies, Aircraft, Proo
7、f Testing and Pre- stretching of Casting, Classification and Inspection of Terminai-Cable Assemblies, Swaged Type Welding, Resistance: Aluminum, Magnesium, Nonharden- ing Steels or Alloys, Nickel Alloys, Heat-Resisting Alloys, and Titanium Alloys; Spot and Seam Resin, Polyest er, Low - Pressure Lami
8、nating Screw Threads, Standard, Optimum Selected Series: General Specification for Interchangeability and Replaceability of Component Parts for Aircraft and Missiles Welding, Metal Arc and Gas, Steels, and Corrosion and Heat Resisting Alloys, Process for Anodic Coatings, for Aluminum and Aluminum Al
9、loys Resin, Epoxy, Low-Pressure Laminating Plastic Laminate Materiais and Sandwich Construction, Glass Fiber Base, Low Pressure Aircraft Structural, Process Specific ation Requirements Fastener Tape, Hook and Pile, Nylon Federal FED -STD-406 FED -STD - 59 5 Military MIL-STD-100 MIL-STD - 129 MIL- ST
10、D - 1 30 MIL-STD-143 MIL-STD- 147 MIL-STD-810 MIL-STD-889 Ns20995 MS33540 Plastics: Methods of Testing Colors Engineering Drawing Practices Marking for Shipment and Storage Identification Marking of US Military Property Standards and Specifications, Order of Precedence for the Selection of Pailetize
11、d and Containerized Unit Loads, 40“ x 48“ Pallets, Skids, Runners, or Pallet-Type Base Environmental Test Methods Dissimilar Metals Wire, Safety Safety, Wiring and Cotter Pinning, General Practices for 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-
12、,-a MIL-S-383OB 412 I 9397906 0458002 I 1 MIL-S-38380B(USAF) DRAWINGS Air Force 50B3502 Cable-Valve Rele,ase, Multiplace Life Raft 64C43 3 33 Strap-Assembly, Adjustment 70165 Cushion-Seat, Aircraft, Survival Kit CHU-7/P USS Chemicals, Lincoln Molded Plastics RP7 5 5 -01 RP 7 5 5 -0 2 Survival Kit Co
13、ntainer, Assembly of - CNU-68AIP Survival Kit Container, Assembly of - CNU-68A/P (Copies of specifications, Standards, drawings, and publications required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting o
14、fficer. ) 3. REQUIREMENTS 3. 1 Preproduction. This specification makes provisions for preproduction te sting. 3. 2 Selection of specifications and standards. necessary commodities and services not specified herein shall be selected in accordance with MIL-STD-143. Specifications and standards for 3.
15、3 Materials and processes 3. 3. 1 Metals, treated to resist corrosion due to fuels, salt spray, or atmospheric conditions likely to be met in storage or normal service, Metals shall be of the corrosion-resistant type or suitably 3. 3. 2 Dissimilar metals. Unless suitably protected against electrolyt
16、ic corrosion, dissimilar metals shall not be used in intimate contact with each other. Dissimilar metals are defined in MIL-STD-889. 3. 3. 3 Nonmagnetic materials. Nonmagnetic materials shall be used for all components except where magnetic materials offer definite advantages. 3. 3.4 Nonmetallic mat
17、erials. approval by the procuring activity for the specific application involved. The use of nonmetallic materials shall require 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-S-38380B 42 W 777770b 0458003 T k MIL-S- 38 380B(USAF) 3. 3. 4.1 F
18、iber glass. If fiber glass material is used in the construction of the basic container, it shall be manufactured in accordance with the require- ments of MIL-P-9400. The material shall meet the physical requirements of table I and workmanship requirements of L-P-383 when tested in accordance with th
19、e applicable methods of FED-STD-406. Where glass cloth is used, it shall be preimpregnated cloth, Resins shall be in accordance with MIL-R- 7575 or MIL-R-9300 for polyester and epoxy resins, respectively, 3. 3. 5 Fungus-resistant material Materials which are not susceptible to fungus attack shall be
20、 used to the greatest extent practicable. When materials are used that are susceptible to fungus attack, they shall be treated with a fungicidal agent , 3. 3. 6 Protective treatment. When materials are used in the construction of the basic container which are subject to deterioration when exposed to
21、 climatic and environmental conditions likely to occur during service usage, they shall be protected against such deterioration in a manner that will in no. way prevent compliance with the performance requirements of this specification. The use of any protective coating that will crack, chip, or sca
22、le with age or when ex- posed to extreme climatic and environmental conditions shall be avoided. 3. 3. 6.1 Aluminum parts. All aluminum parts shall be anodized in accordance with MIL-A-8625. After anodizing, all exposed parts shall be processed with a potassium dichromate seal and dyed to a color su
23、itable to the procuring activity, TABLE I. Physical Properties of Fiber Glass Characteristic Flex strength, pounds Flex modulus, minimum Tensile strength, psi, minimum Compressive strength, psi, minimum Moisture absorption, percent per 24. hours, maximum Impact strength, foot -pounds per inch, minim
24、um Unnotched per square inch (psi), minimum Cloth 60,000 3.0 x lo6 47,000 45,000 o. 5 25 Mat and Rovhg 32,000 1.1 x 106 18,000 22,000 1. o 20 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-i MIL-S-38380B 42 7777706 0458004 L 1 MIL-S- 38380B(USAF)
25、3. 3. 6. 2 Steel parts. accordance with applicable specifications unless the part is made of corrosion- resisthg steel or has been otherwise protected in accordance with MIL-S-5002. 3. 3. 7 Weights of materials. possible materials consistent with configuration, strength, and other require- ments spe
26、cified herein. All steel parts shall be cadmium or zinc plated in The components shall be made of the lightest 3. 4 Design and construction *3.4.1 Survival kit container. The survival kit containers shall incorporate the com- ponents on figure 1. The f!NU-68B/P container and seat cushion shall confo
27、rm to USS Chemicais Drawing RP755-01 and subassemblies. The CNU-l55/P container . shall conform to USS Chemicals Drawing RP755-02 and subassemblies except that the seat cushion shall be h accordance with Drawing 70165 in lieu of Drawing 59J3541. fied in 1.2 in lieu of CNU-68AIP as shown on the refer
28、enced USS Chemicals drawings. The type designations for the containers shall be as speci- *3. 4. 2 Operation. The survival kit container shall be designed to allow the following operations: a. leaving the container in the aircraft at the parachute accessory rings. Normal abandonment of the aircraft
29、after a flight, taking the parachute and Disconnection of the container shall be made b. Emergency abandonment of the aircraft on the ground, in the water, et cetera, Operation of the lap belt buckle will release the man from the seat. The survival kit container may be removed or may remain in the a
30、ircraft based upon the users decision. When the container is to be left in the aircraft, the container emergency release handle shall permit manual actuation of the container to release allz connections between the container and the parachute. The raft shall not be actuated and the survival kit drop
31、line attachment fitting shall remain with the portion of ahrdware remaining with the container. c. inflation of the life raft. The raft and survival equipment shall be secured to the man by means of a dropline. This operation shall be accomplished in the following steps: Ejection with subsequent man
32、ual release of the container from the man followed by (1) Separation of the container from the seat shall automatically connect the dropline to the portion of the container hardware remaining attached to the personnel parachute harness accessory ring after container deployment. There shall be no pos
33、sible inter- ference due to snagging or jamming of the container with any parts of the seat. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S- 38380B(USAF) FORWARD COMPARTMENT OF CONTAINER AFT COMPARTMENT OF CONTAINER INNER CONTAINFR 8 IO II K
34、IT RELEASE HANDLE 12 MULTI-RELEASE DEVICE RAFT RETAINER . 13 14 PARACHUTE SUPPORT 15 RIGHT-HAND HARNESS ATTACHMENT STRAP SIDE I6 RELEASE 17 I8 _.- LEFT-HAND HARNESS ATTACHMENT SrWP SIDE RELEASE RIGHT-HAND ATTACHMENT STRAP LEFT-HAND ATTACHMENT STRAP DROPLINE DROPLINE CONTAINER DROPLINE CONNECTING PLU
35、NGER DEVICE LID LOCKS FORWARD COhiPARTMENT LID MANUAL LID RELEASE CUSHION FIGURE 1. Survival Kit Container Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-S-38380B Li2 999990b Oq5800b 5 (2) A manual pull of the container kit release handle shal
36、l separate the con- tainer from the man and unlock the lid. The upper end of the dropline shall be retained with the personnel parachute harness, the raft inflation system shall be actuated by dropline deployment, and the inner container and lower container shall be retained at the bottom of the dro
37、pline. *3. 4. 3 Reliability. The survival kit container operating hardware shall have a mean-cycle-between-failures (MCBF) of .lo0 cycles with a minimum reli- ability of, 99 at a 90 percent confidence level. A cycle shall consist of one operation as specified in 4. 6. 3. 3. 4. 3.1 Lon evit The survi
38、val kit container shall have a service operating life span +-I+ o not ess than 300 cycles in the manual mode before wearout fail- . ures occur or the equipment consistently fails to meet the specified MCBF index, Parts requiring replacement within this period of time and the normal operating period
39、of such parts shall be recorded by the contractor. 3.4. 4 Welding. 8611 or MIL-W-6858, or both. Welding shall be accomplished in accordance with MIL-W- 3.4. 5 Castings. with MIL-C -6021. Castings shall be designed and inspected in accordance 3. 4. 6 Safetying. All threaded parts shall be positively
40、lacked or safetied by safety wiring, self-locking nuts, or any other approved methods. Safety wire shall be applied in accordance with the practice specified in MS33540 and shall conform to MS20995. 3.4. 7 Swaging. shall be carefully performed. to 100 pounds or three times the maximum service load;
41、whichever is greater. Swaging shall be done in accordance with MIL-T-6117 and Each swaging operatisn shall be proof tested 3.5 Performance 3. 5.1 Hardware operation. The container hardware shall operate satisfac- torily as specified herein when tested in accordance with 4. 6. 2. 3. 5. 2 Inner contai
42、ner valve operation. actuate at O. 5 (+O. 3, -0. 2) psi, shall reseat and seal below that range, and shall permit a flow rate of 5 (11 /2) cubic feet per minute at 1. 5 psi when tested as specified in 4. 6.4. 3.5.3 Inner container leakage. The inner container shall not leak when sub- merged in water
43、 to a depth of 1 foot for 5 minutes as specified in 4.6. 5. The inner container vent valve shall 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3, 5.4 Environmental conditions 3. 5. 4.1 The container shall operate satisfactorily .der the following
44、 environ- mental conditions when subjected to the referenced test methods as specified in 4. 6. 6: a. High temperature operation at 16OOF - method 501, procedure I of MIL- STD-810 b. Temperature shock - method 503 of MIL-STD-810 c. Low temperature operation at -65F - method 502 of MIL-STD-810 d. Dus
45、t - method 510 of MIL-STD-810 e. Humidity - method 507, procedure I of MLL-STD-810 f, Salt fog - method 509 of MIL-STD-810 g. Shock - method 516, figure 516.1-2, procedures I and III of MIL-STD-810 h. Fungus - method 508 of MIL-STD-810. 3. 5. 4.2 Vibration. tainer is subjected to vibration condition
46、s as specified in 4; 6. 6, 7. The hardware shall operate satisfactorily when the con- 3. 5, 5 Simulated parachute deployment. The container shall withstand a P force oium rate of increase of 500g per second, as recorded between the webbing assembly and drop cable, when tested in accordance with 4. 6
47、. 7. 3. 5. 6 Proof loads The container assembly shall operate satisfactorily in accordance with 4. 6. 2 after being subjected to the tests of 4. 6. 9. shall show no evidence of damage or permanent deformation. The container 3. 5. i Lid retention. of 700 pounds is applied as specified in 4.6.10. denc
48、e of failure of the lid lock, and the container shall operate satisfactorily when tested in accordance with 4.6.2. Thelid shall not separate from the container when a load There shall be no visual evi- 3. 5.8 Static load, fastened shall withstand minimum specified static loads without structurai fai
49、lure when subjected to the tests specified in 4. 6.11. The hardware and the container section to which it is *3. 5. 9 Operation (simulated parachute descent), The survival kit container shall operate satisfactorily when subjected to simulated parachute descent operation tests as specified in 4.6.8. a Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-
