1、AEROSPACE STANDARD O-RING, STRAIGHT THREAD TUBE FITTING BOSS MOLDED FROM AMS-P-5510 RUBBER AS28778Copyright 2016 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, pho
2、tocopying, 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 USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED2001-03REVISED2016-10THIRD
3、 ANGLE PROJECTION CUSTODIAN: A-6/A-6C2 REV.CFEDERAL SUPPLY CLASS 5331 AS28778SHEET 1 OF 3REV. CPROCUREMENT SPECIFICATION: NONESAE Technical Standards Board Rules provide that: “This report is publishedbySAEtoadvance thestateoftechnical and engineeringsciences. The useofthis reportisentirely voluntar
4、y, and its applicabilityand suitability for any particularuse, includingany patent infringement arising therefrom, isthe soleresponsibility of the user.”SAE reviews each technical report at least every five years at whichtime it mayberevised, reaffirmed, stabilized, or cancelled. SAE invites your wr
5、ittencomments and suggestions. SAE values your input. To provide feedback on thisTechnical Report, please visit http:/standards.sae.org/AS28778CRATIONALE THIS STANDARD HAS BEEN REVISED TO INCORPORATE MINOR TECHNICAL CHANGES. FOREWORD THIS STANDARD ESTABLISHES THE DIMENSIONAL AND VISUAL QUALITY REQUI
6、REMENTS, LOT REQUIREMENTS AND PACKAGING AND LABELING REQUIREMENTS FOR O-RINGS MOLDED FROM AMS-P-5510 RUBBER. IT SHALL BE USED FOR PROCUREMENT PURPOSES. NOTE: DIMENSION AND TOLERANCING PER ASME Y14.5 FIGURE 1 - O-RING: WIDTH (W) AND INSIDE (D) DIAMETERS TABLE 1 - PART NUMBERS AND DIMENSIONS PARTNUMBE
7、R NOMINAL TUBE OUTSIDE DIAMETER D W APPROX MASS (IN) (MM) (IN) (MM) (IN) (MM) (LB/100) (KG/100)MS28778-2 .125 3.175 .234 / .244 5.944 / 6.198 .061 / .067 1.549 / 1.702 .014 0.007 MS28778-3 .188 4.775 .295 / .306 7.493 / 7.772 .061 / .067 1.549 / 1.702 .017 0.009 MS28778-4 .250 6.350 .346 / .356 8.78
8、8 / 9.042 .069 / .075 1.753 / 1.905 .025 0.011 MS28778-5 .313 7.950 .409 / .419 10.389 / 10.643 .069 / .075 1.753 / 1.905 .029 0.013 MS28778-6 .375 9.525 .463 / .473 11.760/12.014 .075 / .081 1.905 / 2.057 .038 0.017 MS28778-8 .500 12.700 .639 / .649 16.231/16.485 .084 / .090 2.134 / 2.286 .063 0.02
9、8 MS28778-10 .625 15.875 .750 / .760 19.050/19.304 .094 / .100 2.388 / 2.540 .091 0.041 MS28778-12 .750 19.050 .918 / .930 23.317/23.622 .112 / .120 2.845 / 3.048 .158 0.071 MS28778-14 .875 22.225 1.041 / 1.053 26.441/26.746 .112 / .120 2.845 / 3.048 .178 0.080 MS28778-16 1.000 25.400 1.165 / 1.177
10、29.591/29.896 .120 / .112 2.845 / 3.048 .196 0.088 MS28778-20 1.250 31.750 1.465 / 1.485 37.211/37.719 .114 / .122 2.896 / 3.099 .252 0.113 MS28778-24 1.500 38.100 1.710 / 1.730 43.434/43.942 .114 / .122 2.896 / 3.099 .290 0.131 MS28778-28 1.750 44.450 2.080 / 2.100 52.832/53.340 .114 / .122 2.896 /
11、 3.099 .349 0.157 MS28778-32 2.000 50.800 2.327 / 2.347 59.106/59.614 .114 / .122 2.896 / 3.099 .388 0.175 AEROSPACE STANDARD AS28778SHEET 2 OF 3REV. CO-RING, STRAIGHT THREAD TUBE FITTING BOSS MOLDED FROM AMS-P-5510 RUBBER 1. APPLICATION THESE O-RINGS TYPICALLY HAVE BEEN USED AS THE SEAL ON STRAIGHT
12、-THREADED, FLARED-TUBE CONNECTION FITTINGS ASSEMBLED IN AS4395 AND AS5202 BOSSES IN ACCORDANCE WITH MS21344. THEY ARE TO BE USED WITH SYSTEMS CONTAINING AIR OR HYDRAULIC FLUID CONFORMING TO MIL-PRF-5606, BUT USAGE IS NOT LIMITED TO SUCH APPLICATIONS. EACH APPLICATION SHOULD BE CONSIDERED SEPARATELY.
13、 THESE O-RINGS HAVE A SERVICE TEMPERATURE RANGE OF -65 TO +160 q F (-54 TO +71 q C). 2. APPLICABLE REFERENCES 2.1 SAE PUBLICATIONS AVAILABLE FROM SAE INTERNATIONAL, 400 COMMONWEALTH DRIVE, WARRENDALE, PA 15096-0001, TEL: 877-606-7323 (INSIDE USA AND CANADA) OR +1 724-776-4970 (OUTSIDE USA), www.sae.
14、org.AMS-P-5510 O-RING, PREFORMED, STRAIGHT THREAD TUBE FITTING BOSS, TYPE I HYDRAULIC (-65 TO 160 F) AMS2817 PACKAGING AND IDENTIFICATION PREFORMED PACKINGS ARP5316 STORAGE OF ELASTOMER SEALS AND SEAL ASSEMBLIES WHICH INCLUDE AN ELASTOMER ELEMENT PRIOR TO HARDWARE ASSEMBLY 2.2 ASME PUBLICATIONS AVAI
15、LABLE FROM ASME, P.O. BOX 2900, 22 LAW DRIVE, FAIRFIELD, NJ 07007-2900, TEL: 800-843-2763 (U.S./CANADA), 001-800-843-2763 (MEXICO), 973-882-1170 (OUTSIDE NORTH AMERICA), www.asme.org.ASME Y14.5-2009 DIMENSIONING AND TOLERANCING 2.3 ASQ PUBLICATIONS AVAILABLE FROM AMERICAN SOCIETY FOR QUALITY, 600 NO
16、RTH PLANKINTON AVENUE, MILWAUKEE, WI 53203, TEL: 800-248-1946 (UNITED STATES OR CANADA), 001-800-514-1564 (MEXICO) OR +1-414-272-8575 (ALL OTHER LOCATIONS), www.asq.org.ANSI/ASQ Z1.4 SAMPLING PROCEDURES AND TABLES FOR INSPECTION BY ATTRIBUTES 2.4 ISO PUBLICATIONS COPIES OF THESE DOCUMENTS ARE AVAILA
17、BLE ONLINE AT http:/webstore.ansi.org/.ISO 3601-1 FLUID POWER SYSTEMS - O-RINGS - PART 1: INSIDE DIAMETERS, CROSS-SECTIONS, TOLERANCES AND DESIGNATION CODES ISO 3601-3 FLUID POWER SYSTEMS - O-RINGS - PART 3: QUALITY ACCEPTANCE CRITERIA 2.5 U.S. GOVERNMENT PUBLICATIONS COPIES OF THESE DOCUMENTS ARE A
18、VAILABLE ONLINE AT http:/quicksearch.dla.mil.MIL-PRF-5606 HYDRAULIC FLUID, PETROLEUM BASE; AIRCRAFT, MISSILE, AND ORDNANCE MS21344 FITTINGS - INSTALLATION OF FLARED TUBE, STRAIGHT THREADED CONNECTORS, DESIGN STANDARD FOR 3. REQUIREMENTS 3.1 PART NUMBER: THE O-RING PART NUMBERS ARE DESIGNATED MS28778
19、-XX, WHERE XX INDICATES THE DASH SIZE. 3.2 DO NOT USE UNASSIGNED PART NUMBERS. 3.3 MATERIAL: THE MATERIAL SHALL BE IN ACCORDANCE WITH AMS-P-5510. 3.4 DIMENSIONAL AND VISUAL INSPECTION: PRIOR TO INSPECTION, MOLD FLASH SHALL BE REMOVED FROM THE O-RINGS IN SUCH A MANNER THAT THEY CONFORM TO THE REQUIRE
20、MENTS SPECIFIED HEREIN. FOR END OF PROCESS INSPECTION, EACH INDIVIDUAL O-RING (100%) SHALL BE VISUALLY INSPECTED AT 1X MAGNIFICATION FOR MOLD FLASH, BACKRIND, PARTING LINE PROJECTION, NON-FILLS, FLOW LINES, AND OTHER SIGNIFICANT DEFECTS. THE ENTIRE O-RING SURFACE SHALL BE INSPECTED. AEROSPACE STANDA
21、RD AS28778SHEET 3 OF 3REV. CO-RING, STRAIGHT THREAD TUBE FITTING BOSS MOLDED FROM AMS-P-5510 RUBBER 3.5 FOR FINAL INSPECTION, THE SAMPLE SIZE SHALL BE IN ACCORDANCE WITH ANSI/ASQ Z1.4 SINGLE SAMPLING PLAN INSPECTION LEVEL II WITH AN AQL 1.0 EXCEPT THAT THE ACCEPTANCE NUMBER SHALL BE ZERO. THE SAMPLE
22、 UNIT SHALL BE ONE O-RING. INSPECTION SHALL BE ACCORDING TO ISO 3601-3, GRADE S REQUIREMENTS UNDER 2X MAGNIFICATION. IN CASE OF DISAGREEMENT, THE VISUAL INSPECTION AT 2X MAGNIFICATION SHALL GOVERN. THE ENTIRE O-RING SURFACE SHALL BE MANUALLY INSPECTED. THE PROCEDURES OUTLINED IN ANNEX B OF ISO 3601-
23、1 SHALL BE FOLLOWED FOR DIMENSIONAL INSPECTION. IF THE PURCHASER REQUIRES A DIFFERENT SAMPLING PLAN OR VISUAL INSPECTION CRITERIA, MANUFACTURER SHALL BE INFORMED PRIOR TO TIME OF ORDER. 3.6 THE MANUFACTURER OF THE O-RINGS SHALL BE RESPONSIBLE FOR THE REQUIRED INSPECTIONS. PURCHASER RESERVES THE RIGH
24、T TO SAMPLE AND PERFORM ANY CONFIRMATORY INSPECTION DEEMED NECESSARY TO ENSURE THAT THE O-RINGS CONFORM TO THE SPECIFIED REQUIREMENTS. 3.7 LOT ACCEPTANCE: THE REQUIREMENTS ARE LISTED IN AMS-P-5510. THE LOT CERTIFICATION REPORT SHALL BE FURNISHED TO THE PURCHASER WHEN THE PRODUCT IS SHIPPED. THE MANU
25、FACTURER OF THE O-RINGS SHALL BE RESPONSIBLE FOR THE REQUIRED INSPECTIONS AND LOT ACCEPTANCE TESTS. PURCHASER RESERVES THE RIGHT TO SAMPLE AND PERFORM ANY CONFIRMATORY INSPECTION DEEMED NECESSARY TO ENSURE THAT THE O-RINGS CONFORM TO THE SPECIFIED REQUIREMENTS. 3.8 IDENTIFICATION AND PACKAGING: PACK
26、AGING SHALL BE IN ACCORDANCE WITH AMS2817 WITH THE EXCEPTION THAT, IF REQUESTED BY CONTRACT, EACH PACKAGE SHALL ALSO BEAR THE FOLLOWING IDENTIFICATION OF A RECOGNIZABLE SIZE: x IF REQUIRED BY PURCHASER: NATIONAL STOCK NUMBER 3.9 PURCHASE DOCUMENTS SHOULD SPECIFY NOT LESS THAN THE FOLLOWING: x AMS-P-
27、5510 MATERIAL x PART NUMBER OF O-RING PER AS28778 x QUANTITY OF O-RINGS DESIRED x SPECIAL PACKAGING LABELING AND INSPECTION, IF REQUIRED 3.10 SHELF LIFE REQUIREMENTS OF ARP5316 APPLY TO THESE O-RINGS. 3.11 DIMENSIONS AND PROPERTIES IN INCH UNITS ARE PRIMARY. DIMENSIONS AND PROPERTIES IN SI UNITS ARE
28、 SHOWN AS THE APPROXIMATE EQUIVALENTS OF THE PRIMARY UNITS AND ARE PRESENTED ONLY FOR INFORMATION. 4. NOTES 4.1 SEE MS21344 FOR INSTALLATION DETAILS. 4.2 REVISION INDICATOR: A CHANGE BAR (I) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL REVISIONS, NO
29、T EDITORIAL CHANGES, HAVE BEEN MADE TO THE PREVIOUS ISSUE OF THIS DOCUMENT. AN (R) SYMBOL TO THE LEFT OF THE DOCUMENT TITLE INDICATES A COMPLETE REVISION OF THE DOCUMENT, INCLUDING TECHNICAL REVISIONS. CHANGE BARS AND (R) ARE NOT USED IN ORIGINAL PUBLICATIONS, NOR IN DOCUMENTS THAT CONTAIN EDITORIAL CHANGES ONLY.
