1、AEROSPACE STANDARD NUT, FITTING, RETAINED AS4370Copyright 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, photocopying, recording, or otherwise, without the pr
2、ior 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 ISSUED1997-04REAFFIRMED 2004-07REVISED2016-10THIRD ANGLE PROJECTION CUSTODIAN: G-3
3、/G-3B REV.EFEDERAL SUPPLY CLASS 4730 AS4370SHEET 1 OF 5REV. EPROCUREMENT SPECIFICATION: /6/ AS4841SAE Technical Standards Board Rules provide that: “This report is publishedbySAEtoadvance thestateoftechnical and engineeringsciences. The useofthis reportisentirely voluntary, and its applicabilityand
4、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 writtencomments and suggestion
5、s. SAE values your input. To provide feedback on thisTechnical Report, please visit http:/standards.sae.org/AS4370ERATIONALE UPDATED FIGURE 1 FOR CLARIFICATION OF DIMENSIONS AND ADDED YELLOW COLOR OPTION FOR MATERIAL “D” TO MAINTAIN LEGACY MS27073 PARTS. FIGURE 1 - NUT, FITTING, RETAINED AEROSPACE S
6、TANDARD AS4370SHEET 2 OF 5REV. ENUT, FITTING, RETAINED TABLE 1A - DIMENSIONS BASIC NO. AS4370/16/SIZE CODE NOM TUBE SIZEREF. T THREAD PERAS8879GMIN/5/ H J K.010 M.015 N 02 .125 .3125-24 UNJF-3B .492 .428 - .440 .136 .591 .109 .432 03 .188 .3750-24 UNJF-3B .564 .490 - .502 .167 .594 .141 .490 04 .250
7、 .4375-20 UNJF-3B .635 .552 - .565 .194 .640 .125 .557 05 .312 .5000-20 UNJF-3B .706 .615 - .628 .224 .687 .125 .620 06 .375 .5625-18 UNJF-3B .775 .678 - .691 .252 .718 .156 .682 08 .500 .7500-16 UNJF-3B .990 .865 - .878 .341 .843 .156 .870 10 .625 .8750-14 UNJF-3B 1.120 .990 - 1.003 .396 .968 .172
8、.995 12 .750 1.0625-12 UNJ-3B 1.400 1.238 - 1.253 .485 1.015 .125 1.245 14 .875 1.1875-12 UNJ-3B 1.540 1.363 - 1.380 .549 1.134 .172 1.360 16 1.000 1.3125-12 UNJ-3B 1.650 1.488 - 1.505 .610 1.125 .219 1.495 20 1.250 1.6250-12 UNJ-3B 1.993 1.800 - 1.817 .766 1.218 .312 1.807 24 1.500 1.8750-12 UNJ-3B
9、 2.338 2.109 - 2.135 .893 1.406 .359 2.120 32 2.000 2.5000-12 UNJ-3B 3.025 2.734 - 2.760 1.200 1.734 .438 2.745 TABLE 1B - DIMENSIONS BASIC NO. AS4370/16/SIZE CODE P.015 R.015 V.010 W Y AAMAXAB.004 AC 02 - .172 .331 .350 .2719 - .2799 .401 .462 .077 03 .031 .190 .394 .378 .3344 - .3418 .414 .475 .07
10、7 04 .031 .210 .456 .403 .3888 - .3970 .439 .500 .077 05 .031 .230 .519 .401 .4513 - .4591 .481 .550 .086 06 .047 .250 .581 .413 .5084 - .5166 .505 .573 .086 08 .047 .306 .769 .484 .6892 - .6977 .581 .660 .101 10 .047 .347 .894 .542 .8055 - .8152 .693 .762 .101 12 .062 .439 1.082 .537 .9814 - .9914
11、.691 .780 .131 14 .062 .475 1.208 .563 1.1064 - 1.1164 .768 .866 .131 16 .077 .512 1.332 .563 1.2314 - 1.2414 .778 .875 .131 20 .093 .602 1.645 .563 1.5439 - 1.5539 .862 .959 .131 24 .093 .710 1.895 .661 1.7939 - 1.8039 1.008 1.105 .131 32 .110 .893 2.520 .844 2.4189 - 2.4289 1.242 1.340 .131 AEROSP
12、ACE STANDARD AS4370SHEET 3 OF 5REV. ENUT, FITTING, RETAINED TABLE 1C - DIMENSIONS AND WEIGHTS BASIC NO. AS4370/16/SIZE CODE AD.001 AE AF.010 AG AH.010 LB/100 NOM REF ALUMLB/100 NOM REF STEEL/CRES LB/100 NOM REF TI02 .038 .341 - .347 - .298 .310 .456 1.29 .732 03 .038 .401 - .411 .540 .360 .310 .636
13、1.80 1.02 04 .038 .456 - .466 .551 .415 .345 .833 2.35 1.34 05 .043 .526 - .536 .609 .477 .345 1.03 2.90 1.65 06 .043 .583 - .593 .656 .534 .345 1.24 3.50 1.99 08 .050 .776 - .786 .754 - - 2.02 5.70 3.24 10 .050 .891 - .901 .858 - - 2.85 8.03 4.57 12 .065 1.097 - 1.107 .875 - - 5.12 14.4 8.21 14 - 1
14、.227 - 1.237 .923 - - 6.30 17.8 10.1 16 - 1.347 - 1.357 .983 - - 7.09 20.0 11.4 20 - 1.659 - 1.669 1.077 - - 9.63 27.2 15.4 24 - 1.912 - 1.922 1.234 - - 16.3 45.9 26.1 32 - 2.537 - 2.547 1.515 - - 27.9 78.9 44.8 NOTES NOTICE THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIA
15、L. CONSULT LOCAL OFFICIALS IF YOU HAVE QUESTIONS CONCERNING CADMIUMS USE. /1/ MATERIAL: a. DASH AS CODE LETTER - TYPE 4130, CONDITION F, ALLOY STEEL PER AMS-S-6758 OR AMS6370. b. CODE LETTER A - TYPE A286, CONDITION STA, CORROSION RESISTANT STEEL PER AMS5731, AMS5732, AMS5734, OR AMS5737. c. CODE LE
16、TTER D - TYPE 2024-T6 OR T851, ALUMINUM ALLOY PER AMS-QQ-A-225/6, AMS4112. d. CODE LETTER J - TYPE 304, CONDITION A, CORROSION RESISTANT STEEL PER AMS5639. e. CODE LETTER K - TYPE 316, CONDITION A, CORROSION RESISTANT STEEL PER AMS5648. f. CODE LETTER R - TYPE 321, CONDITION A, CORROSION RESISTANT S
17、TEEL PER AMS5645. g. CODE LETTER S TYPE 347, CONDITION A, CORROSION RESISTANT STEEL, PER AMS5646. h. CODE LETTER T - TYPE 6AL-4V, CONDITION A, TITANIUM ALLOY PER AMS-T-9047 OR AMS4928. i. CODE LETTER W - TYPE 7075-T73 OR T7351, ALUMINUM ALLOY PER AMS-QQ-A-225/9 OR AMS4124. 2. HEAT TREATMENT: a. CODE
18、 LETTER A - IF THE RAW MATERIAL IS PROCURED IN THE SOLUTION TREATED CONDITION, AGE TO 28 TO 40 HRC, 130 KSI UTS MINIMUM, PER AMS-H-6875 OR AMS2759/3. b. CODE LETTER D AND W - IF THE RAW MATERIAL IS PROCURED IN THE SOLUTION TREATED CONDITION, AGE TO THE FINAL CONDITION PER AMS2770. AEROSPACE STANDARD
19、 AS4370SHEET 4 OF 5REV. ENUT, FITTING, RETAINED /3/ FINISH: a. DASH AS MATERIAL CODE LETTER - CADMIUM PLATE PER AMS-QQ-P-416 TYPE II, CLASS 2, DYE BLACK. b. MATERIAL CODE LETTER A - PASSIVATE PER AMS2700, TYPE 2 OR 8. c. MATERIAL CODE LETTER D - ANODIZE PER AMS2472 OR MIL-A-8625 TYPE II, CLASS 2, AN
20、D SHALL BE DUPLEX SEALED. PARTS WITH SUFFIX CODE N SHALL NOT BE DUPLEX SEALED. 1. FOR FLARED FITTINGS, DYE BLUE (FINISH CODE LETTER B) SIMILAR TO COLOR 15123, 15095, OR 15180 OF FED-STD-595. 2. FOR FLARELESS FITTINGS, DYE GREEN (FINISH CODE LETTER G) SIMILAR TO COLOR 14187, 14193, OR 14223 OF FED-ST
21、D-595, OR DYE YELLOW (FINISH CODE LETTER Y) SIMILAR TO COLOR 13591, 13655, OR 13618 OF FED-STD-595. d. MATERIAL CODE LETTER J, K, R, S - PASSIVATE PER AMS2700, TYPE 6 OR 7. e. MATERIAL CODE LETTER T - FLUORIDE-PHOSPHATE CONVERSION COAT PER AMS2486 OR ANODIZE PER AMS2488. FINAL COLOR TO BE SIMILAR TO
22、 36076 THROUGH 36176 OF FED-STD-595. f. MATERIAL CODE LETTER W - ANODIZE PER AMS2472 OR MIL-A-8625 TYPE II, CLASS 2, DYED BROWN SIMILAR TO COLOR 10080, 10055, OR 10059 OF FED-STD-595 AND SHALL BE DUPLEX SEALED. PARTS WITH SUFFIX CODE N SHALL NOT BE DUPLEX SEALED. /4/ SOLID FILM LUBRICANT: SUFFIX LET
23、TER N: a. MATERIAL CODE LETTER A - PARTS SHALL BE COATED ON THE INTERNAL SURFACES ONLY PER AS1701, CLASS III. MINOR OVERSPRAY IS PERMISSIBLE. b. MATERIAL CODE LETTER D, J, K, R, S, T AND W - PARTS SHALL BE COATED ON THE INTERNAL SURFACES ONLY PER AS5272, TYPE I. MINOR OVERSPRAY IS PERMISSIBLE. /5/ S
24、AFETY WIRE HOLES: SUFFIX CODE LETTER L PARTS SHALL HAVE SAFETY WIRE HOLES PER AS1043, STYLE A. /6/ PROCUREMENT SPECIFICATION: AS4841 EXCEPT AS SPECIFIED ON THIS STANDARD. PRODUCT SUPPLIED TO THIS SPECIFICATION SHALL BE MANUFACTURED BY AN ACCREDITIED MANUFACTURER LISTED IN THE NATIONAL AEROSPACE AND
25、DEFENSE CONTRACTORS ACCREDITATION PROGRAM (NADCAP) QUALIFIED MANUFACTURER LIST (QML) FOR THIS PRODUCT TYPE. THE QML IS AVAILABLE AT WWW.EAUDITNET.COM. THE QUALIFICATION SHALL BE DETERMINED AT THE ASSEMBLY LEVEL. 7. INTENDED USE: THIS PART REPLACES MS27073 SWIVEL NUT FOR USE ON FLARED AND FLARELESS F
26、ITTINGS. USE WITH AS1791 RETAINER WIRE. /8/ IDENTIFICATION: MARK PER AS478 CLASS C, D OR METHOD 7A3, 15A3, OR 15B. MARK MANUFACTURERS NAME, TRADEMARK OR CAGE CODE, LETTERS “AS” FOR SIZES 06 AND SMALLER AND “AS4370” FOR SIZES 08 AND LARGER, AND MATERIAL CODE LETTER ON HEX FLAT. 9. REVISION INDICATOR:
27、 A CHANGE BAR (I) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL REVISIONS, NOT 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, IN
28、CLUDING TECHNICAL REVISIONS. CHANGE BARS AND (R) ARE NOT USED IN ORIGINAL PUBLICATIONS, NOR IN DOCUMENTS THAT CONTAIN EDITORIAL CHANGES ONLY. 10. INTERPRETATION OF DRAWING PER AS4296. 11. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SUR
29、FACES TO BE 125 MICROINCHES Ra. SURFACES OF HEX FLATS MAY BE 250 MICROINCHES Ra. 12. BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. 13. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994. AEROSPACE STANDARD AS4370SHEET 5 OF 5REV. ENUT, FITTING, RETAINED 14. DIMENSIONS IN INCHES. UNLESS OTHERWIS
30、E SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .005, ANGULAR DIMENSIONS 0 DEGREES 30. 15. INVENTORIED PARTS CONFORMING TO THE PREVIOUS LETTER CHANGE MAY BE USED TO DEPLETION. /16/ EXAMPLE OF PART NUMBER: AS4370 D 04 B N L BASIC PART NUMBER CODE LETTER FOR SAFETY WIRE HOLES /5/ OMIT LETTER IF SAFETY WIRE
31、 HOLES ARE NOT REQUIRED MATERIAL CODE LETTER /1/ CODE LETTER FOR SOLID FILM LUBRICANT /4/ SIZE CODE, TUBE SIZE IN CODE LETTER FOR ANODIZE COLOR FOR /3/ .062 INCREMENTS (04 = .250 IN) MATERIAL CODE LETTER D. USE A DASH FOR ALL OTHER MATERIAL CODES ONLY IF SOLID FILM LUBRICANT OR SAFETY WIRE HOLES ARE REQUIRED
