1、 AEROSPACE STANDARD NUT, FITTING, RETAINED AS4370Copyright 2009 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 p
2、rior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED 1997-04REAFFIRMED 2004-07 REVISED 2009-03THIRD ANGLE PROJECTION CUSTODIAN: SA
3、E G-3/G-3B REV.D FEDERAL SUPPLY CLASS 4730 AS4370 SHEET 1 OF 5 REV. D PROCUREMENT SPECIFICATION: /6/SAE TechnicalStandards Board Rules provide that: “This report is published by SAE toadvance thestate of technical andengineering sciences. Theuse of thisreport is entirely voluntary, andits applicabil
4、ityandsuitability forany particularuse, including any patent infringement arising therefrom, is thesole responsibility oftheuser.”SAE reviews each technical report at least every five yearsat which time it may be reaffirmed, revised, orcancelled. SAE invites yourwritten commentsandsuggestions. SAE v
5、alues your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS4370D RATIONALE UPDATED VIEW C FIGURE 1 - NUT, FITTING, RETAINED /8/ Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permi
6、tted without license from IHS-,-,-AEROSPACE STANDARD AS4370 SHEET 2 OF 5 REV. D NUT, FITTING, RETAINED TABLE 1A - DIMENSIONS BASIC NO. AS4370 /15/ SIZE CODE NOM TUBE SIZE REF T THREAD PER AS8879 G MIN /5/ H J K .010 M .015 N 02 .125 .3125-24UNJF-3B .492 .428- .440 .136 .591 .109 .432 03 .188 .3750-2
7、4UNJF-3B .564 .490- .502 .167 .594 .141 .490 04 .250 .4375-20UNJF-3B .635 .552- .565 .194 .640 .125 .557 05 .312 .5000-20UNJF-3B .706 .615- .628 .224 .687 .125 .620 06 .375 .5625-18UNJF-3B .775 .678- .691 .252 .718 .156 .682 08 .500 .7500-16UNJF-3B .990 .865- .878 .341 .843 .156 .870 10 .625 .8750-1
8、4UNJF-3B 1.120 .990-1.003 .396 .968 .172 .995 12 .750 1.0625-12UNJ-3B 1.400 1.238-1.253 .485 1.015 .125 1.245 14 .875 1.1875-12UNJ-3B 1.540 1.363-1.380 .549 1.134 .172 1.360 16 1.000 1.3125-12UNJ-3B 1.650 1.488-1.505 .610 1.125 .219 1.495 20 1.250 1.6250-12UNJ-3B 1.993 1.800-1.817 .766 1.218 .312 1.
9、807 24 1.500 1.8750-12UNJ-3B 2.338 2.109-2.135 .893 1.406 .359 2.120 32 2.000 2.5000-12UNJ-3B 3.025 2.734-2.760 1.200 1.734 .438 2.745 TABLE 1B - DIMENSIONS BASIC NO. AS4370 /15/ SIZE CODE P .015 R .015 V .010 W Y AA MAX AB .004 AC 02 - .172 .331 .350 .2719- .2799 .401 .462 .077 03 .031 .190 .394 .3
10、78 .3344- .3418 .414 .475 .077 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
11、.082 .537 .9814- .9914 .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 1.34
12、0 .131 Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD AS4370 SHEET 3 OF 5 REV. D NUT, FITTING, RETAINED TABLE 1C - DIMENSIONS AND WEIGHTS BASIC NO. AS4370 /15/ SIZE CODE AD .001 A
13、E AF .010 AG AH .010 LB/100 NOM REF ALUM LB/100 NOM REF STEEL/CRES LB/100 NOM REF TI 02 .038 .341- .347 - .298 .310 .456 1.29 .732 03 .038 .401- .411 .540 .360 .310 .636 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 .65
14、6 .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 - 1.227-1.237 .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.
15、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 MATERIAL. CONSULT LOCAL OFFICIALS IF YOU HAVE QUESTIONS CONCERNING CADMIUMS USE. /1/ MATERIAL: a. DASH AS CODE LETTER - TYPE 4130, CONDITION F, ALLOY STE
16、EL 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 LETTER 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
17、AMS5639. e. CODE LETTER K - TYPE 316, CONDITION A, CORROSION RESISTANT STEEL PER AMS5648. f. CODE LETTER R - TYPE 321, CONDITION A, CORROSION RESISTANT STEEL PER AMS5645. g. CODE LETTER S TYPE 347, CONDITION A, CORROSION RESISTANT STEEL, PER AMS5646. h. CODE LETTER T - TYPE 6AL-4V, CONDITION A, TITA
18、NIUM 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 LETTER A - IF THE RAW MATERIAL IS PROCURED IN THE SOLUTION TREATED CONDITION, AGE TO 28-40 HRC, 130 KSI UTS MIN, PER AMS-H-6875 OR AMS2759/3. b. C
19、ODE LETTER D AND W - IF THE RAW MATERIAL IS PROCURED IN THE SOLUTION TREATED CONDITION, AGE TO THE FINAL CONDITION PER AMS2770. Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD AS43
20、70 SHEET 4 OF 5 REV. D NUT, 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, AND
21、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 OF FED-STD-595. 2. FOR FLARELESS FITTINGS, DYE GREEN (FINISH CODE LETTER G) SIMILAR TO COLOR 14187 OF FED-STD-595. d. MATERIAL CODE LETTER J, K,
22、 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 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 S
23、IMILAR TO COLOR 10080 OF FED-STD-595 AND SHALL BE DUPLEX SEALED. PARTS WITH SUFFIX CODE N SHALL NOT BE DUPLEX SEALED. /4/ SOLID FILM LUBRICANT: SUFFIX LETTER N: a. MATERIAL CODE LETTER A - PARTS SHALL BE COATED ON THE INTERNAL SURFACES ONLY PER AS1701, CLASS III. MINOR OVERSPRAY IS PERMISSIBLE. b. M
24、ATERIAL 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/ SAFETY WIRE HOLES: SUFFIX CODE LETTER L PARTS SHALL HAVE SAFETY WIRE HOLES PER AS1043, STYLE A. /6/ THIS PART SHALL BE MANUFACTURED BY AN ACCREDITI
25、ED MANUFACTURER LISTED ON THE NADCAP QUALIFIED MANUFACTURER LIST (QML) FOR THIS PRODUCT TYPE. THE QUALIFICATION SHALL BE DETERMINED AT THE ASSEMBLY LEVEL. 7. INTENDED USE: THIS PART REPLACES MS27073 SWIVEL NUT FOR USE ON FLARED AND FLARELESS FITTINGS. USE WITH AS1791 RETAINER WIRE. /8/ IDENTIFICATI
26、ON: 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. A CHANGE BAR ( l ) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE
27、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, INCLUDING TECHNICAL REVISIONS. CHANGE BARS AND (R) ARE NOT USED IN ORIGINAL P
28、UBLICATIONS, NOR IN DOCUMENTS THAT CONTAIN EDITORIAL CHANGES ONLY. 10. INTERPRETATION OF DRAWING PER ARP4296. 11. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M; REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 in Ra. SURFACES OF HEX FLATS MAY BE 250 in Ra. Copyright S
29、AE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD AS4370 SHEET 5 OF 5 REV. D NUT, FITTING, RETAINED 12. BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. 13. DIMENSIONING AND TOLERANCING PER
30、 ASME Y14.5M-1994. 14. DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .005, ANGULAR DIMENSIONS 0 DEGREES 30. /15/ EXAMPLE OF PART NUMBER: Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
