1、SAE-AS6302ADOPTION NOTICESAE-AS6302, “TRANSMITTER, PRESSURE, FUEL, 0-600 PSI“, was adoptedon 16-AUG-99 for use by the Department of Defense (DoD). Proposed changes by DoD activities must be submitted to the DoDAdopting Activity: Commander, Naval Air Warfare Center, AircraftDivision, Code 414100B120-
2、3, Highway 547, Lakehurst, NJ08733-5100. Copies of this document may be purchased from theSociety of Automotive Engineers 400 Commonwealth DriveWarrendale, Pennsylvania, United States, 15096-0001. http:/www.sae.org/_Custodians: Adopting Activity:Navy - ASArmy - AVNavy - ASAir Force - 99FSC 6620DISTR
3、IBUTION STATEMENT A: Approved for public release; distributionis unlimited.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE Technical Standards Board Rules provide that: “This report is published by
4、 SAE to advance the state of technical and engineering sciences. The use of this report is entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.”SAE reviews each technical report a
5、t least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions.Copyright 1999 Society of Automotive Engineers, Inc.All rights reserved. Printed in U.S.A.QUESTIONS REGARDING THIS DOCUMENT: (724) 772-8510 FAX: (724) 776-0243TO PLAC
6、E A DOCUMENT ORDER: (724) 776-4970 FAX: (724) 776-0790SAE WEB ADDRESS: http:/www.sae.org400 Commonwealth Drive, Warrendale, PA 15096-0001AEROSPACE STANDARDAS6302Issued 1999-05Transmitter, Pressure, Fuel, 0-600 psiFSC 6620NOTICEThis document has been taken directly from U.S. Military Specification MI
7、L-T-6302B, Amendment 2 and contains only minor editorial and format changes required to bring it into conformance with the publishing requirements of SAE technical standards. The initial release of this document is intended to replace MIL-T-6302B, Amendment 2. Any part numbers established by the ori
8、ginal specification remain unchanged.The original Military Specification was adopted as an SAE standard under the provisions of the SAE Technical Standards Board (TSB) Rules and Regulations (TSB 001) pertaining to accelerated adoption of government specifications and standards. TSB rules provide for
9、 (a) the publication of portions of unrevised government specifications and standards without consensus voting at the SAE Committee level, and (b) the use of the existing government specification or standard format.Under Department of Defense policies and procedures, any qualification requirements a
10、nd associated qualified products lists are mandatory for DOD contracts. Any requirement relating to qualified products lists (QPLs) has not been adopted by SAE and is not part of this SAE technical document.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproducti
11、on or networking permitted without license from IHS-,-SAE AS6302 - 2 -1. SCOPE:1.1 This specification covers one type of fuel pressure transmitter designated MS28005-7.2. APPLICABLE DOCUMENTS:2.1 The following documents, of the issue in effect on date of invitation for bids or request for proposal,
12、form a part of this specification to the extent specified herein:SPECIFICATIONSFEDERALL-P-378 - Plastic Film Polyethylene Thin Gauge.PPP-B-636 - Box, Fiberboard.PPP-C-843 - Cushioning, Material, Cellulosic.MILITARYMIL-P-116 - Preservation, Methods of.MIL-L-5020 - Liquid, Compass, Aircraft.MIL-E-5272
13、 - Environmental Testing, Aeronautical and Associated Equipment, General Specification for.MIL-T-5350 - Transmitters, Synchro, Aircraft, General Specification for.MIL-I-6181 - Interference Control Requirements, Aircraft Equipment.MIL-I-6301 - Indicator, Pressure, Fuel, 0-600 PSI.STANDARDSMILITARYMIL
14、-STD-129 - Marking for Shipment and Storage.MIL-STD-130 - Identification Marking of U.S. Military Property.MIL-STD-794 - Parts and Equipment, Procedures for Packaging and Packing of.MIL-STD-831 - Test Reports, Preparation of.MS28005 - Transmitters, Pressure, Synchro, Aircraft.MS33656 - Fitting End,
15、Standard Dimensions for Flared Tube Connection and Gasket Seal.(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.)Copyright
16、SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE AS6302 - 3 -3. REQUIREMENTS:3.1 First article:This specification makes provision for first article testing.3.2 General specification:The requirements of Specif
17、ication MIL-T-5350 apply as requirements of this specification with the exceptions and additions specified herein. When the two specifications conflict, this specification shall govern.3.3 Design and construction:The fuel pressure transmmitter shall be designed for use with a fuel pressure indicator
18、 conforming to Specification MIL-I-6301.3.3.1 Hermetically sealed transmitter case: The case shall provide a hermetically sealed (see 6.3) enclosure for the entire internal mechanism of the transmitter. The design of the case shall be such that the internal mechanism may be removed from the case, re
19、placed, and the case resealed. This shall be accomplished without the use of special tools and fixtures, unless they are approved by the procuring activity. The hermetic sealing shall be so accomplished that the seal will not be dependent upon materials which may be affected by the action of any atm
20、osphere to which the transmitter may be subjected.3.3.1.1 Case pressure release: A metal blowout device to discharge excessive case pressure shall be provided in the pressure transmitter. The blowout device shall discharge to a 5/16 -24 fitting conforming to Standard MS33656. The device shall operat
21、e to release the internal case pressure through an orifice, approximately 0.045 inch in diameter, whenever the internal case pressure reaches 9030 pounds per square inch (psi). The device shall not affect hermetic sealing. The design of the blowout device shall be submitted to the procuring activity
22、 for prior approval.3.3.1.2 Material: The hermetically sealed case shall be constructed of a suitable material applicable to hermetic sealing, and the material shall be uniform in texture with a smooth external surface.3.3.1.3 Joints: All joints subjected to pressure shall be joined with silver sold
23、er.3.3.1.4 Case proof pressure: The transmitter case shall be so constructed that it shall be able to sustain an internal pressure of 135 psi without leakage from or distortion of the case.3.3.2 Operation: The transmitter shall be capable of operating in either a horizontal or vertical position.Copy
24、right SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE AS6302 - 4 -3.4 Dimensions:The outline dimensions of the transmitter shall conform to Part No. MS28005-7.3.5 Weight:The weight of the transmitter shall n
25、ot exceed 1.5 pounds.3.6 Overpressure stop:An overpressure stop shall be provided and shall be designed to restrain the prime mover. The stop shall allow the pointer of the indicator to travel past full scale to a point approximately midway between the last and the zero graduation.3.7 Zero reset:The
26、 transmitter shall be provided with means to adjust or correct the calibration without breaking a solder-sealed area. The means of adjustment shall be accessible from the exterior of the case and shall provide a minimum total of 15 degrees of synchro adjustment. The location of the adjustment shall
27、be optional.3.7.1 Compressed scale adjustment: In the event that a separate adjustment is necessary, the transmitter shall be provided with a means to adjust or correct the calibration of the compressed portion of the scale. The means of adjustment shall be accessible from the exterior of the case a
28、nd be accomplished without breaking a solder-sealed area. The location of the compressed scale adjustment shall be optional.3.8 The straight thread connections shall be marked “P” and “V” in durable white letters 1/8 inch in height, as indicated by Standard MS28005.3.9 Identification of product:Equi
29、pment assemblies, and parts shall be marked for identification in accordance with Standard MIL-STD-130 and shall include:TRANSMITTER, PRESSURE, FUEL,0-600 PSI MS28005-726 V, single phase, 400 cyclesCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or net
30、working permitted without license from IHS-,-SAE AS6302 - 5 -4. QUALITY ASSURANCE PROVISIONS:4.1 Responsibility for inspection:Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as o
31、therwise specified, the supplier may utilize his own facilities or any other commercial laboratory acceptable to the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and servi
32、ces conform to prescribed requirements.4.2 Classification of tests:The inspection and testing of transmitters shall be classified as:(a) First article tests. . . . . . . . . . . . . . . . . . . . . . . . . (4.3)(b) Quality conformance tests . . . . . . . . . . . . . . . . . (4.4)4.3 First article te
33、sts:4.3.1 Test sample: The test samples shall consist of three transmitters. Samples shall be identified with the manufacturers part number and any additional information required by the procuring activity.4.3.2 Test report: The contractor shall prepare a test report in accordance with MIL-STD-831.4
34、.3.3 Tests: The first article tests shall consist of all the examinations and tests specified under 4.6.4.4 Quality conformance tests:The quality conformance tests shall consist of individual tests and sampling plans and tests (see 4.4.1 and 4.4.2).4.4.1 Individual tests: Each transmitter shall be s
35、ubjected to:(a) Detail examination. . . . . . . . . . . . . . . . . . . . . . (4.6.1)(b) Scale error at room temperature. . . . . . . . . . . (4.6.2)(c) Friction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (4.6.3)(d) Position error. . . . . . . . . . . . . . . . . . . . . . . . . . (
36、4.6.4)(e) Dielectric strength . . . . . . . . . . . . . . . . . . . . . . (4.6.5)(f) Leak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (4.6.6)Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license fro
37、m IHS-,-SAE AS6302 - 6 -4.4.2 Sampling plans and tests:4.4.2.1 Sampling plan A tests: Five transmitters selected at random from each 500 or less on the contract or order shall be subjected to:(a) Individual tests . . . . . . . . . . . . . . . . . . . . . . . (4.4.1)(b) Low temperature . . . . . . .
38、. . . . . . . . . . . . . . (4.6.7)(c) High temperature . . . . . . . . . . . . . . . . . . . . . (4.6.8)(d) Vibration error . . . . . . . . . . . . . . . . . . . . . . . (4.6.9)(e) Electrical characteristics. . . . . . . . . . . . . . . . (4.6.10)(f) Differential pressure error . . . . . . . . . .
39、. . . . (4.6.11)4.4.2.2 Sampling plan B tests: Unless otherwise specified (see 6.2), five transmitters selected at random from the first 25 items on the contract or order shall be subjected to:(a) Sampling plan A tests . . . . . . . . . . . . . . . . . (4.4.2.1)(b) Torque . . . . . . . . . . . . . .
40、 . . . . . . . . . . . . . . . (4.6.12)(c) Extreme high-temperature exposure . . . . . . (4.6.13)(d) Seasoning . . . . . . . . . . . . . . . . . . . . . . . . . . (4.6.14)(e) Endurance . . . . . . . . . . . . . . . . . . . . . . . . . . (4.6.15)(f) Radio noise suppression . . . . . . . . . . . . . .
41、 . (4.6.16)(g) Overpressure . . . . . . . . . . . . . . . . . . . . . . . . (4.6.17)(h) Salt spray . . . . . . . . . . . . . . . . . . . . . . . . . . . (4.6.18)(i) Case pressure release. . . . . . . . . . . . . . . . . (4.6.19)(j) Case proof pressure. . . . . . . . . . . . . . . . . . . (4.6.20)4.5
42、 Test conditions:Test conditions shall be in accordance with Specification MIL-T-5350 and as specified herein. Unless otherwise specified, the transmitter shall be tested with its longitudinal axis in the horizontal plane. Compass liquid in accordance with Specification MIL-L-5020, or any suitable l
43、iquid approved by the procuring activity, shall be used for testing purposes.4.6 Test methods:4.6.1 Detail examination: The transmitter shall be inspected to determine compliance with regard to workmanship, materials, and marking.4.6.2 Scale error at room temperature: The transmitter shall be tested
44、 for scale error at room temperature at the test points specified in table I with both increasing and decreasing rates of flow. The flow with an increasing rate shall be measured by bringing the flow up to, but not exceeding, the specified rate. With a decreasing rate, the flow shall be brought down
45、 to, but not below, the specified rate. The transmitter shall be vibrated at a frequency of 3,600 cycles per minute (cpm) with an amplitude not to exceed 0.002 inch. The scale errors shall not exceed the tolerances specified in table I.Copyright SAE International Provided by IHS under license with S
46、AENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE AS6302 - 7 -TABLE I. Scale error tolerances4.6.3 Friction: The difference in reading prior to application of vibration specified in 4.6.2 is friction error, and shall not exceed the tolerance specified in table II
47、.TABLE II. Pointer error and friction error tolerances4.6.4 Position error: The position error test may be conducted in conjunction with the test specified in 4.6.2. The transmitter shall be energized to obtain a reading of approximately 300 psi. The change in indication produced by rotating the tra
48、nsmitter from the normal operating position to a position 90 degrees clockwise and counterclockwise (longitudinal axis vertical) shall be noted. The maximum change in indication shall not exceed the tolerance specified for position error in table II.4.6.5 Dielectric strength: A potential of 200 volt
49、s at a commercial frequency shall be applied between any pin of the electrical receptacle and the transmitter case for a minimum period of 5 seconds. There shall be no breakdown of the insulation.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE AS6302 - 8 -4.6.6 Leak: Sensitive pressure-sensing elements, with
