1、- MIL-S-3427 Lb W 9777906 0205914 3 W ._ MIL-S-83427 (USAF) 1 February 1974 MILITARY SPECIFICATION SURVIVAL KIT CONTAINERS, CNU-l29(V)/P A“ CNU-l3/P This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 This specification covers survival ki
2、t containers for aircraft. The survival kit containers are designated CNU-l29(V)l/P, CNU-l29(V)2/P, and CNU-l30/P (see 3.5 and 6.2). 2. APPLICABLE DOCUMENTS 2.1 for bids or request for proposal, form a part of this specification to the extent specified herein. The following documents, of the issue i
3、n effect on date of invitation SPECIFICATIONS Federal L-P-383 Mi 1 itary MIL-P-116 MI L - W- 4 O 8 8 MIL-S-5002 MI L-W-5424 MI L- W- 5 6 2 5 MI L- C- 5 6 88 MI L - C - 6 O 2 1 MIL-T-6117 MI L- W - 6 8 5 8 MIL-R-7575 MIL-S-7742 MIL-1-8500 Plastic Material, Polyester Resin, Glass Fiber Base, Low Press
4、ure Laminated Preservation-Packaging, Methods of Webbing, Textile, “oven Nylon Surfaces Treatments and Inorganic Coatings for Metal Surfaces of Weapons Systems Wire Rope, Steel, (Corrosion-Resistant) Flexible, Preformed (for Aeronautical Use) Webbing, Textile, Nylon, Tubular Cable Assemblies: Aircra
5、ft, Proof Testing and Prestretching of Castings, Classification and Inspection of Terminal-Cable Assemblies, Swaged Type Welding, Resistance: Aluminum, Magnesium, Nonhardening Steels or Alloys, Nickel Alloys, Heat-Resisting Alloys, and Titanium Alloys; Spot and Seam Resin, Polyester, Low-Pressure La
6、minating Screw Threads, Standard, Optimum Selected Series: General Specification for Interchangeability and Reylaceability of Component Parts for AerOSRaCe Vehicles FSC 1660 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-83V27 Lb W 7799906 020
7、5935 5 W MIL-S-83427 (USAF) MIL-T-8504 MIL-W-8611 MIL-A-8625 MIL-R-9300 MIL-P-9400 MIL-C-25918 MIL-0-27335 MI L- S- 83 86 2 MIL-S-83863 MIL-C-83864 STANDARDS Federal FED-STD-406 FED-STD-595 Mi 1 it ary MIL-STD-100 MI L-STD- 12 9 MIL-STD-130 MIL-STD-143 MI L-STD- 794 MIL-STD-810 MIL-STD-831 MIL-STD-8
8、46 MIL-STD-889 MS 179 8 3 DRAWINGS Air Force 5 OC7024 64C43333 72292 72294 Tubing, Steel, Corrosion-Resistant (304), Aerospace Vehicle Hydraulic Systems, Annealed, Seamless and Welded Welding, Metal Arc and Gas, Steels, and Corrosion and Heat Resistant Alloys; Process for Anodic Coatings, for Alumin
9、um and Aluminum Alloys Resin, Epoxy, Low-Pressure Laminating Plastic Laminate Materials and Sandwich Construction, Glass Fiber Base, Low Pressure Aircraft Structural, Process Specification Requirements Catridge Actuated Devices, Aircraft Crew Emergency Escape, General Specification for Oxygen System
10、, Survival Container-Oxygen Kit, General Specification for Strap, Retention, Survival Kit Spacer Assembly, Survival Container Parachute Support Container, Inner, Survival Kit Plastics: Methods of Testing Colors Engineering Drawing Practices Marking for Shipment and Storage Identification Marking of
11、US Military Property Standards and Specifications, Order of Procedence for the . Selection of Parts and Equipment, Procedures for Packaging and Packing of Environmental Test Methods Test Reports, Preparation of Escape System Testing: Dissimilar Metals Compass - Magnetic Pilots Standby Ground, Track,
12、 and Flight Test Parachute Assembly - Personnel, Back Strap Assembly, Adjustment Cushion-Seat, Aircraft Survival Kit CHU-lZ/P Cushion-Seat, Aircraft Survival Kit CHU-l3/P 2 -. . . -. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_ - MIL-S-83427 Lb
13、= 7777906 0205736 7 MIL-S-83427 (USAF) (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 officer.) 2.2 Michigan City, indiana; Air L
14、ock, Inc., Milford, Connecticut; and General American Research Div, General- American Transportation Corp., Plastics Division, Niles, Illinois form a part of this specification to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request f
15、or proposal shall apply. Other publications. The following drawings of U. S. S. Chemicals Div, U.S.S. Chemicals Div (Code Identification 29807) RP 784-00 Smvival Kit Container CNU-l29/P RP 785-00 Survival Kit Container CKU-l3O/P Air Lock, Inc. (Code Identification 97375) 918-2800 918-2900 Lower Actu
16、ating Cable Assembly Upper Actuating Cable Assembly General American Research Division (Code Identification 19190) 3462C6000 Cartridge, 4 Sec Delay (Copies of these drawings can be obtained from the procuring activity or as directed by the contracting officer.) 3. REQUIREMENTS 3.1 (see 4.4 and 6.2).
17、 First article. This specification niakes provisions for first article testing 3.2 Major components. The major components of the survival kit containers shall be as shown on figure 1 and shall include the parachute deploynent sensing cable assembly (see 3.6.5) that is listed but not shom on figure 3
18、. 3.3 Selection of specifications and standards. Specifications and standards for necessary commodities and services not specified herein shall be selected in accordance with MIL-STD-143. 3.4 where magnetic materials offer definite advantages. Naterials that are not susceptible to fungus attack shal
19、l be used to the grentest cxtent practicable. Materials that are susceptible to fungus at.tack, if used, shall be treated with a fungicidal agent. The materials used in the conrtiiiction of the components of the survival kit container shall be the lightest possible wight consistent with configuratio
20、n, strength, and any other requirements specified herein. Materials. Nonmagnetic materials shall be used for all components except 3 *- . ! .-. . - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-83427 (USAF) 1 FORWARD COMPARmENT OF CONTAINER 1
21、0 LEFT-HAND HhHF:ESS ATTACHMENT STRAP 2 AFT COMPARTMENT OF CONTAINER S INNER CONTAINER 11 RIGHT-HAND ATTACIi!AENT STRAP 4 AUTOMATIC ACTUATOR (INCLUDING CARTRIDGE) 12 LEFT-HAND ATTACtMENT STRAP 5 HANDLE CONTAINER OPERATING 13 DROPLINE (EMERGENCY RELEASE) 14 DROPLINE CONTAI?IER 6 CUSHION IS DROPLINE C
22、ONIiECTlXG PLUNGER DEVICE f RAFT RETAINER 16 OVERRIDE SELECTOR 6 PARACHUTE SUPPORT 17 FORWARD CO:JPART:n!EIJT LID 9 RIGHT-HAND HARNESS ATTACHMENT STRAP I6 PARAGHSTE DEPLGYlAEFIT SEN ING SIDE RELEASE AND LID LOCK ASSEMBLY SIDE RELEASE I: LID LOCK ASSEMBLY CABLE ASScILBLY (NOT SHOWb3 4 FIGURE 1. Survi
23、val Kit Containel Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-3427 3b U 7797706 020.5738 O U MIL-S-83427 (USAF) 3.4.1 resist corrosion due to fuels, salt spray, or atmospheric conditions likely to be met in storage or normal service. 3.4.1.
24、1 - Dissimilar metals. Unless suitably protected against electrolytic corrosion, dissimilar metals shall not be used in intimate contact with each other. Dissimilar metals are defined in MIL-STD-889. Metals. Metals shall be corrosion resistant or suitably treated to 3.4.2 Nonmetallic materials. The
25、use of nonmetallic materials shall require approval, by the procuring activity, for the specific application involved. 3.4.2.1 struction of the basic container, it shall be manufactured in accordance with Fiber glass material. If fiber glass material is used in the con- the requirements of NIL-P-940
26、0. requirements of table I of this specification and the workmanship requirements of L-P-383. Glass cloth, if used, shall be preimpregnated cloth. Resins shall be in accordance with MIL-R-7575 or MIL-R-9300 for polyester resin or epoxy resin, respectively. The fiber glass material shall meet the phy
27、sical TABLE I. Physical Properties of Fiber Glass Characteristic Flex strength, pounds per square inch (psi), minimum Flex modulus, minimum Tensile strength, psi, minimum Compressive strength, psi, minimum Moisture absorption, percent per 24 hours, maxinium Impact strength, unnotched, foot- pounds p
28、er inch, minimum C1 ot h 60,000 3.0 X lo6 47,000 45,000 0.5 25 blat and Roving 30,000 1.1 x lo6 22,000 20,000 1 .o ?O 3.4.3 Protective treatment. If materials that are subject to deterioration when exposed to climatic and environmental conditions likely to occur during service usage are used in the
29、construction of the basic container, the materials shall be protected against such.deterioration in a manner that will not in any way prevent compliance with the performance requirements of this specificat.ion. The use of any protective coating that will crack, chip, or scale with age or extreme cli
30、matic and environmental conditions shall be avoided. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-3427 26 m 7777706 0205737 2 m 5 MIL-S-83427 (USAF) 3.4.3.1 with MIL-A-8625. potassium dichromate seal and dyed a neutral color suitable to th
31、e procuring activity. Aluminum parts. All aluminum parts shall be anodized in accordance All exposed parts shall be processed after anodizing with a 3.4.3.2 accordance with applicable specifications unless the part is made of corrosion- resistant steel or has been otherwise protected in accordance w
32、ith MIL-S-5002. Steel parts. All steel parts shall be cadmium or zinc plated in 3.5 Design and construction. Unless otherwise specified herein, the CNU-lZg(V)l/P survival kit container and the CNU-l29(V)2/P survival kit container shall be -_. designed and constructed in accordance with U.S.S. Chemic
33、als Div Drawing RP 784-00 and the applicable detail drawings referenced thereon. Unless otherwise specified herein, the CNU-lSO/P survival kit container shall be designed and constructed in accordance with U.S.S. Chemicals Div Drawing RP 785-00 and the applicable detail drawings referenced thereon.
34、The parachute support (see item 8 of figure 1) shall conform to MIL-S-83863. The main differences in the survival kit containers are in the cushions (see 3.6.6) and in the oxygen system provisions. The oxygen system provisions are applicable to the CNU-l30/P survival kit container only and consist o
35、f a mounting plate, a disconnect release cable, support pads, and disconnect cutouts for the installation of a drop-in oxygen system that conforms to MIL-0-27335. 3.5.1 container. Operation. The following operations shall be allowed by the survival kit (a) The manual override selector lever of the a
36、utomatic actuator shall be used as the safety mechanism of the actuator firing pin during maintenance handling to prevent accidental automatic operation. (b) leaving the survival kit container in the aircraft: kit container, including the parachute deplopent sensing cable assembly shall be made at t
37、he parachute accessory rings. Removal of the survival kit container from the aircraft for maintenance: Normal egress from the aircraft after a flight, taking the parachute and Disconnection of the survival (c) Operation of the lap belt buckle will release the man from the seat. kit container may be
38、removed or may remain in the aircraft based upon the users decision. When the survival kit container is to be left in the aircraft, the emergency release handle shall permit manual actuation of the survival kit con- tainer to release all connections between the survival kit container and the user an
39、d the parachute. The life raft shall not be actuated. The survival kit con- tainer dropline attachment fitting shall remain with the portion of hardware remaining with the survival kit container. The automatic actuator parachute deployment sensing cable shall separate from the parachute harness auto
40、matically with the right hand attachment strap side release. Emergency egress from the aircraft on the ground, in the water, etc: The survival 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - -_ MIL-S-83q27 Lb m 779970b 0205720 9 m MIL-S-83427 (U
41、SAF) (d) container from the man followed by inflation of the life 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 manual or automatic release of the survival kit The life raft (1) S
42、eparation of the survival kit container from the seat shall auto- matically connect the dropline to the portion of the survival kit container hardware remaining attached to the personnel parachute harness accessory ring after survival kit container deployment. deploy and fully inflate. the parachute
43、 deployment sensing cable shall be pulled and shall separate and initiate the automatic actuator and cause survival kit container hardware opera- tion 4 seconds (plus or minus 1 second) after parachute deployment sensing cable operation unless the override selector prevents operation. any possible i
44、nterference due to snagging or jamming of the survival kit container with any parts of the seat. The parachute canopy will automatically. As the canopy risers deploy from the parachute pack, There shall not be (2) Automatic actuation or a manual pull of the survival kit container operating handle sh
45、all separate the survival kit container from the man and unlock the lid. The upper end of the dropline shall be retained with the personnel para- chute harness. deployment. The inner container and lower container shall be retained at the bottom of the dropline. 3.5.2 Welding. MIL-W-6858 or both. The
46、 life raft inflation system shall be actuated by dropline Welding shall be accomplished in accordance with MIL-W-8611 or 3.5.3 Castings. Castings shall be designed and inspected in accordance with MIL-C-6021. sult in loss of the survival kit container during ejection. Castings shall not be used in a
47、pplications where failure could re- 3.5.4 nuts or any other approved methods. approved method. 3.5.5 Swaging. be carefully performed. pounds or three times the maximum service load, whichever is greater. Safetying. All threaded parts shall be. positively locked by self-locking Safety wire shall not
48、be considered an. Swaging shall be done in accordance with MIL-T-6117 and shall Each swaging operation shall be proof tested to 100 3.5.6 Threads. Except for permanently installed pipe threaded plugs, or as necessitated by functional purposes and unless otherwise specified in the applicable document
49、s, only straight threads conforming to Unified Thread Series-, class 3A or 3B of MIL-S-7742 shall be used. 3.5.7 Hardware. All hardware that could come in contact with thc inner container of the survival kit container and the life raft during deployment as in service operation shall be smooth and free of sharp edges or protrusions. operation and maintenance procedures for the hardware shall be used where necessary. Decals to show 7 Provided by IHSNot
