1、_SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising theref
2、rom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2010 SAE International All rights reserved. No part of this publication ma
3、y be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970 (outside US
4、A) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AS35411CAEROSPACESTANDARDAS35411 REV. C Issued 2001-05 Revised 2010-04Superseding AS35411B Fitt
5、ings, Lubrication RATIONALERevise AS35411 Zinc and Zinc Nickel requirements. Revise hardness requirement for Type IV fittings. 1. SCOPE This SAE Aerospace Standard (AS) covers the requirements for threaded lubrication fittings, straights and elbows, to be used for admitting and retaining lubricants
6、supplied by pressure lubricating equipment. 1.1 Purpose The purpose of this standard is to replace MIL-F-3541 with a document consistent with the performance requirements of the specification it supersedes. 1.2 Classification Lubrication fittings covered by this standard shall be of the following ty
7、pes as specified: 1.2.1 Types The types of lubrication fittings shall be as follows: a. Type I: See AS15001, surface check, 1/4-28 taper threads, carbon steel b. Type II: See AS15002, surface check, straight threads, carbon steel c. Type III: See AS15003, surface check, 1/8 pipe threads, carbon stee
8、l d. Type IV: See AS15004, surface check, 1/4-28 taper threads, Ni-Cu alloy e. Type V: See AS15005, throat or surface check, 1/8 pipe threads, Ni-Cu alloy f. Type VI: See AS15006, leak proof, 1/8 pipe threads, carbon steel g. Type VII: See AS15720, throat or surface check, 1/4-28 taper threads, corr
9、osion resistant steel h. Type VIII: See AS15721, throat or surface check, 1/8 pipe threads, corrosion resistant steel SAE AS35411C Page 2 of 122. APPLICABLE DOCUMENTS The following publications form a part of this document to the extent specified herein. The latest issue of SAE publications shall ap
10、ply. The applicable issue of other publications shall be the issue in effect on the date of the purchase order. In the event of conflict between the text of this document and references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable
11、 laws and regulations unless a specific exemption has been obtained. 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org.ARP4784 Definitions and Limits, Metal Ma
12、terial Defects and Surface and Edge Features, Fluid Couplings, Fittings and Hose Ends AS15000 Fitting End, Lubrication, Hydraulic - Design Standard AS15001 Fitting, Lubrication, Hydraulic, Surface Check, .250-28 Taper Threads, Steel, Type I AS15002 Fitting, Lubrication, Hydraulic, Surface Check, Str
13、aight Threads, Steel, Type II AS15003 Fitting, Lubrication, Hydraulic, Surface Check, 1/8 Pipe Threads, Steel, Type III AS15004 Fitting, Lubrication, Hydraulic, Surface Check, .250-28 Taper Threads, Nickel-Copper Alloy, Type IV AS15005 Fitting, Lubrication, Hydraulic, Throat or Surface Check, 1/8 Pi
14、pe Threads, Nickel-Copper Alloy, Type V AS15006 Fitting, Lubrication, Hydraulic, Leakproof, 1/8 Pipe Threads, Steel, Type VI AS15720 Fitting, Lubrication, Hydraulic, Throat or Surface Check, .250-28 Taper Threads, Corrosion Resistant Steel, Type VII AS15721 Fitting, Lubrication, Hydraulic, Throat or
15、 Surface Check, 1/8 Pipe Threads, Corrosion Resistant Steel, Type VIII AMS-QQ-P-416 Plating, Cadmium (Electrodeposited) AMS-QQ-S-763 Steel, Corrosion Resistant, Bars, Wire, Shapes, and Forgings J476 Dryseal Pipe Threads J864 Surface Hardness Testing with Files, Recommended Practice 2.2 ASQ Publicati
16、ons Available from American Society for Quality, 600 North Plankinton Avenue, Milwaukee, WI 53203, Tel: 800-248-1946 (U.S. or Canada) or +1-414-272-8575 (International), www.asq.org.ASQ Z1.4 Sampling Procedures and Tables for Inspection by Attributes 2.3 ASME Publications Available from American Soc
17、iety of Mechanical Engineers, 22 Law Drive, P.O. Box 2900, Fairfield, NJ 07007-2900, Tel: 973-882-1170, www.asme.org.SAE AS35411C Page 3 of 12ASME B46.1 Surface Texture (Surface Roughness, Waviness, and Lay) 2.4 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C70
18、0, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org.ASTM A 108 Standard Specification for Steel Bars, Carbon, Cold-Finished, Standard Quality ASTM A 313 Standard Specification for Stainless Steel Spring Wire ASTM A 582 Standard Specification for Free-Machining Stainless Steel Bars A
19、STM B 166 Standard Specification for Nickel-Chromium-Iron Alloy (UNS N06600, N0606601, N06603, N06690, N06025, and N06045) Nickel-Chromium-Cobalt- Molybdenum Alloy (UNS N06617) Rod, Bar and Wire ASTM B 633 Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel ASTM E 18 Stand
20、ard Test Methods for Rockwell Hardness and Rockwell Superficial Hardness of Metallic Materials 2.5 U.S. Government Publications Available from the Document Automation and Production Service (DAPS), Building 4/D, 700 Robbins Avenue, Philadelphia, PA 19111-5094, Tel: 215-697-6257, http:/assist.daps.dl
21、a.mil/quicksearch/.MIL-PRF-10924 Grease, Automotive and Artillery MIL-PRF-23827 Grease, Aircraft and Instrument, Gear and Actuator Screw, NATO Code Number G-354 QQ-N-281 Nickel-Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped SectionsVV-G-632 Grease, Indu
22、strial, General Purpose FED-STD-H28 Screw-Thread Standards for Federal Services 3. TECHNICAL REQUIREMENTS 3.1 Materials Materials for the lubrication fittings shall conform to applicable specifications and shall be as specified herein. 3.1.1 Types I, II, III, and VI Fittings 3.1.1.1 Balls, Bodies, a
23、nd Tips Balls, bodies and tips shall be carbon steel conforming to any of the chemical compositions of ASTM A 108. 3.1.2 Types IV and V Fittings 3.1.2.1 Balls, Straight Bodies and Tips Balls, straight bodies and tips shall be nickel-copper alloy conforming to QQ-N-281. 3.1.2.2 Springs Springs shall
24、be nickel-chromium-iron alloy conforming to ASTM B 166, UNS N06600, cold worked (as worked). SAE AS35411C Page 4 of 123.1.2.3 Elbow Bodies Elbow bodies shall be nickel-copper alloy conforming to QQ-N-281, Class B. 3.1.3 Types VII and VIII Fittings 3.1.3.1 Balls Balls shall be corrosion-resistant ste
25、el conforming to AMS-QQ-S-763, Table 2, Classes 440A, 440B, or 440C. 3.1.3.2 Springs Springs shall be corrosion-resistant steel conforming to ASTM A 313, Class 302, condition B. 3.1.3.3 Elbow Bodies, Straight Bodies and Tips Elbow bodies, straight bodies and tips shall be corrosion-resistant steel c
26、onforming to ASTM A 582 Type 303. 3.2 Design and Fabrication The design and fabrication of the fittings shall conform to the requirements specified herein and to the applicable standard.3.2.1 Configuration The external configuration and dimensions shall conform to the requirements specified herein a
27、nd the applicable standard, AS15001 through AS15006, AS15720, and AS15721. 3.2.2 Fitting Tip Design The fitting inlet tip design shall conform to a design and associated dimensions as shown on AS15000. 3.2.3 Threads Threads shall be as shown on the applicable standard and shall conform to FED-STD-H2
28、8. See Table 1 below for reference of proper thread standard documents. TABLE 1 - THREADS SAE Standard ThreadStandardAS15001 FED-STD-H28/8 AS15002 FED-STD-H28/8 AS15003 SAE J476 AS15004 FED-STD-H28/8 AS15005 SAE J476 AS15006 SAE J476 AS15720 FED-STD-H28/8 AS15721 SAE J476 3.2.4 Wrenching Flats All f
29、ittings shall have hexagonal wrenching flats of sufficient width to provide tip clearance for an end wrench of 0.250 in thickness on each of the six surfaces when the fitting is screwed tightly into a tapped hole on a flat plate. No special toolsshall be required for installation or removal of the f
30、ittings. SAE AS35411C Page 5 of 123.2.5 Check Valves All fittings shall be provided with a check valve which shall readily admit lubricant but shall prevent lubricant from escaping through the inlet tip. 3.2.5.1 Types I, II, III, and IV Fittings Types I, II, III, and IV fittings shall incorporate a
31、surface ball-check valve located at the surface of the inlet tip. 3.2.5.2 Types V, VII, and VIII Fittings Types V, VII, and VIII fittings shall incorporate either a surface ball-check (see 3.2.5.1), or a throat ball-check valve located in the throat of the fitting. 3.2.5.3 Type VI Fittings Type VI f
32、ittings shall incorporate a synthetic-rubber check valve in the throat of the fitting. 3.3 Performance The fitting, when mounted in any position, shall meet the performance requirements of all tests specified in Section 4. 3.4 Finish 3.4.1 Types I, II, III, and VI Fittings All carbon steel fittings
33、shall be either cadmium plated in accordance with AMS-QQ-P-416, Type I, Class 3, or zinc coated in accordance with ASTM B 633, Class 1, except that the salt spray test period for red rust corrosion shall be a minimum of 50 hours, or Zinc-Nickel plated in accordance with AMS2417, except .00025-.0007”
34、 plating thickness.3.4.2 Types IV, V, VII, and VIII Fittings Types IV, V, VII, and VIII fittings shall be bright dipped only for cleaning 3.5 Identification of Product The fitting shall be marked for identification in accordance with the applicable standard. 3.6 Workmanship Remove all burrs and brea
35、k all sharp edges. Sealing surfaces shall be free of detrimental longitudinal and spiral tool marks as specified in ARP4784. Unless otherwise specified on applicable drawings, sealing, surfaces shall be smooth to a finish of 32 in Ra and all other machined surfaces shall be smooth to 125 in Ra per A
36、SME B46.1. Unmachined surfaces, such as forging surfaces and bar stock flats shall be free of cracks, laps and seams and smooth to 250 in Ra per ASME B46.1. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection Unless otherwise specified in the contract or purchase order, the supplier is
37、 responsible for performing the inspection and test requirements. Except as otherwise specified, the supplier may utilize their own facilities or any commercial laboratory acceptable to the purchaser for the performance of the inspection and test requirements. The purchaser reserves the right to per
38、form any of the inspections and tests set forth in this document, whenever such inspections and tests are deemed necessary to assure that supplies and services conform to prescribed requirements. SAE AS35411C Page 6 of 124.2 Inspection Lot A lot shall consist of all the fittings of a given part numb
39、er, made from the same batch of material and processed at the same time. 4.2.1 Material Certification Records of the chemical composition analysis and mechanical property tests showing conformance to the material requirements of this document shall be available to the procuring activity upon request
40、 for each lot of fittings. 4.3 Quality Conformance Inspection Quality conformance inspection shall include all the examinations and tests of this specification. Quality conformance inspection shall consist only of sampling inspection. 4.3.1 Quality Conformance Samples Quality conformance samples sha
41、ll be selected from each lot of fittings in accordance with the following: 4.3.1.1 Sampling for Examination of Product The sample size for examination of product shall be determined on the basis of lot size. Samples shall be selected at random in accordance with ASQ Z1.4, Inspection Level I, unless
42、otherwise specified by the procuring activity. Sampling for government procurement acceptance shall be as specified in the contract or order. 4.3.1.2 Sampling for Test Methods The sample size for operation, hardness, leakage, blowout, and accelerated aging tests shall be determined on the basis of l
43、ot size. Samples shall be selected at random in accordance with ASQ Z1.4, Inspection Level S-2, unless otherwise specified by the procuring activity. Sampling for government procurement acceptance shall be as specified in the contract or order. 4.4 Test Conditions 4.4.1 Temperature and Pressure Unle
44、ss otherwise specified, tests shall be conducted at local ambient temperature of 77 F 18 F (25 C 10 C) and an ambient barometric pressure of 28 to 32 in of mercury (94.8 to 108.4 kPa). 4.4.2 Test Fluids Unless otherwise specified, type VI fittings shall be tested only with MIL-PRF-23827 grease. Type
45、s I, II, III, IV, V, VII, andVIII shall be tested with grease conforming to MIL-PRF-23827, VV-G-632, or MIL-PRF-10924. 4.4.3 Test Equipment Unless otherwise specified, the fitting shall be tested utilizing a hand-operated lubricating gun (hand gun), hydraulic coupling (coupling), and a suitable high
46、 pressure lubricant source (high pressure hose and lubricant supply system) for all tests. 4.5 Inspection Methods 4.5.1 Examination of Product The fitting shall be examined to determine conformance with this document and the applicable standard with respect to material, dimensions, passages, threads
47、, missing parts, surface defects, finish, marking, and workmanship. SAE AS35411C Page 7 of 124.5.2 Operation 4.5.2.1 Extreme Angular Position The fitting shall be assembled into a handgun and coupling. The longitudinal axis of the hand gun and coupling shall be displaced 10 +1, -0 degrees from the l
48、ongitudinal axis of the fitting (see AS15000). Operate lubricating hand gun to inject lubricant through the fitting. The fitting shall admit lubricant. This test shall be repeated with the hand gun and coupling realigned to the opposite angular position of 10 +1, -0 degrees displacement. 4.5.2.2 Ope
49、ning Pressure The fitting shall be tested utilizing a test set up similar to Figure 1. Pressure shall be applied to the inlet tip until the checkvalve opens allowing lubricant to flow from the threaded end of the fitting. This pressure shall not exceed the applicable value given in Table 2. 4.5.3 Hardness The fitting shall be tested for hardness in accordance with ASTM E 18. The hardness shall conform to the applicable value specifi
