1、 AEROSPACE STANDARD HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275 F, 3000 PSI FLARELESS TITANIUM FITTINGS, INCLUDING JUMP SIZE, STRAIGHT TO STRAIGHTAS4624Copyright 2015 SAE International All rights reserved. No part of this publication may be reproduced, stored in a
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3、CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED 1992-06REVISED 2009-07 REAFFIRMED 2015-04THIRD ANGLE PROJECTION CUSTODIAN: G-3/G-3D REV.D FEDERAL SUPPLY CLASS 4720AS4624 SHEET 1 OF 6 REV. D PROCUREMENT SPECIFICATION: /2/ AS4623SAE Technical Standards Board Rules provide that: “This
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5、rt at least every five years at which time itmay berevised,reaffirmed, stabilized, orcancelled. SAE invites yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS4624D RATIONALE AS4624D HAS BEEN RE
6、AFFIRMED TO COMPLY WITH THE SAE FIVE-YEAR REVIEW POLICY. FIGURE 1 - FLARELESS HOSE ASSEMBLY, STRAIGHT TO STRAIGHTAEROSPACE STANDARD AS4624 SHEET 2 OF 6 REV. D HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275 F, 3000 PSI FLARELESS TITANIUM FITTINGS, INCLUDING JUMP SIZE,
7、 STRAIGHT TO STRAIGHT TABLE 1 HOSEAND FITTING DIMENSIONS BASIC HOSE ASSEMBLY NO.AS4624 SIZE CODESIZE /14/ FITTING TYPE THREAD T PER AS8879A MAX B GAGEBASIC C HEX D E /8/MAX BALL SIZE MINTHRU /7/IN E 0.250-E 0.250S 0.4375-20UNJF-3B1.6300.29300.56 0.16 0.69 0.108E 0.250E 0.5625-18UNJF-3B1.6950.41200.6
8、9 0.16 0.69 0.108G 0.375R 0.4375-20UNJF-3B1.7400.29300.56 0.16 0.80 0.108G 0.375S 0.5625-18UNJF-3B1.8350.41200.69 0.16 0.80 0.184G 0.375E 0.7500-16UNJF-3B1.9300.56000.88 0.19 0.80 0.184H 0.500R 0.5625-18UNJF-3B2.1450.41200.69 0.16 0.97 0.184H 0.500S 0.7500-16UNJF-3B2.1650.56000.88 0.19 0.97 0.283H 0
9、.500E 0.8750-14UNJF-3B2.6750.67301.00 0.20 0.97 0.283J 0.625R 0.7500-16UNJF-3B2.8600.56000.88 0.19 1.15 0.283J 0.625S 0.8750-14UNJF-3B2.9050.67301.00 0.20 1.15 0.342J 0.625E 1.0625-12UNJ-3B2.9200.81001.25 0.23 1.15 0.342K 0.750R 0.8750-14UNJF-3B3.2400.67301.00 0.20 1.38 0.342K 0.750S 1.0625-12UNJ-3B
10、3.2050.81001.25 0.23 1.38 0.459K 0.750E 1.3125-12UNJ-3B3.3201.06201.50 0.30 1.38 0.459M 1.000R 1.0625-12UNJ-3B3.6900.81001.25 0.23 1.66 0.459M 1.000S 1.3125-12UNJ-3B3.7401.06201.50 0.30 1.66 0.684M 1.000E 1.5625-12UNJ-3B3.5701.31601.81 0.04 1.66 0.684N 1.250-N 1.250S 1.5625-12UNJ-3B4.3301.31601.81 0
11、.04 2.32 0.832N 1.250-AEROSPACE STANDARD AS4624 SHEET 3 OF 6 REV. D HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275 F, 3000 PSI FLARELESS TITANIUM FITTINGS, INCLUDING JUMP SIZE, STRAIGHT TO STRAIGHT TABLE 2 HOSEORSLEEVE OUTSIDE DIAMETERS /10/SLEEVE CODESLEEVE MATERIAL
12、 TEMP LIMITF HOSE SIZE 0.250HOSE SIZE 0.375HOSE SIZE 0.500HOSE SIZE 0.625HOSE SIZE 0.750HOSE SIZE 1.000HOSE SIZE 1.250- (-) INDICATES HOSE ONLY NO SLEEVE (SEEAS4623) 275 - - - - - - - A FIRESLEEVE (AS1072 SIL-FG) (5 MIN) /11/ /12/ /13/ 275 0.930/0.7301.070/0.8801.205/1.0151.370/1.1301.590/1.3801.847
13、/1.6772.130/1.950B ABRASIONSLEEVE SHRINK-ON (POLYOLEFIN AS1073-CODE B) /20/ 275 0.596/0.5240.760/0.6800.905/0.8251.030/0.9401.302/1.1981.599/1.4950.884/1.776K INTEGRAL ABRASION SLEEVE275 0.555/0.6350.675/0.7550.840/0.9200.935/1.0251.205/1.3051.502/1.6021.775/1.875(BRAIDED) POLYESTER /21/TABLE 3 HOSE
14、 ASSEMBLY LENGTH TOLERANCES TABLE 4 CUFF LENGTHSHOSE ASSEMBLY LENGTHTOLERANCEHOSE SIZELENGTH (INCHES) 0.25UNDER 18 IN 0.125 IN0.2502.25 18 TO36 IN EXCLUSIVE 0.250 IN0.3752.75 36 TO50 IN EXCLUSIVE 0.500 IN0.5003.50 50 IN AND OVER1%0.6254.25 0.7505.75 1.0006.00 1.2506.75 AEROSPACE STANDARD AS4624 SHEE
15、T 4 OF 6 REV. D HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275 F, 3000 PSI FLARELESS TITANIUM FITTINGS, INCLUDING JUMP SIZE, STRAIGHT TO STRAIGHT TABLE 5 MAXIMUM HOSE AND FITTINGWEIGHTSHOST OR SLEEVE CODEHOSE, PART OR SLEEVE UNITSHOSE SIZE 0.250HOSE SIZE 0.375HOSE SI
16、ZE 0.500HOSE SIZE 0.625HOSE SIZE 0.750HOSE SIZE 1.000HOSE SIZE 1.250- HOSE ONLY (SEE AS4623) LB/IN- - - - - - A FIRESLEEVE AS1072 (5 MINPER AS1055) /15/ LB/IN-B PROTECTIVE SLEEVE SHRINK-ON (POLYOLEFIN AS1073, CODE B) /20/LB/IN0.00060.00120.00180.00180.00320.00320.0049NONEFIRESLEEVE CLAMP LB/EA 0.020
17、0.0200.0210.0210.0250.0250.032NONEFITTING END (STRAIGHT)/14/ /16/ R LB/EA- 0.0770.1180.1860.4270.823- S LB/EA 0.0540.0810.1350.2000.4760.853TBD /9/E LB/EA 0.0740.1150.1930.2670.5911.000- K ABRASIONSLEEVE LB/IN0.0130.0170.0230.0260.0350.0580.078POLYESTER WITH HOSE /21/FIGURE 2 POLYESTER ABREASIONSLEE
18、VE CUFF /21/AEROSPACE STANDARD AS4624 SHEET 5 OF 6 REV. D HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275 F, 3000 PSI FLARELESS TITANIUM FITTINGS, INCLUDING JUMP SIZE, STRAIGHT TO STRAIGHT NOTES: 1. MATERIALS: a. HOSE AND FITTINGS - PER AS4623. b. THE COLLARS MAY BE S
19、TAINLESS STEEL /16/. c. SLEEVES - SEE APPLICABLE STANDARDS, TABLE 2. /2/ PROCUREMENT SPECIFICATION: AS4623 EXCEPT AS SPECIFIED ON THIS STANDARD. PRODUCT SUPPLIED TO THIS SPECIFICATION SHALL BE MANUFACTURED AND ASSEMBLED BY AN ACCREDITED MANUFACTURER OR ASSEMBLED BY AN ACCREDITED DISTRIBUTOR LISTED I
20、N THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED PRODUCTS LIST (QPL) PRI-QPL-4623 FOR THIS STANDARD. SEE FOR CURRENT QPL ON-LINE. 3. CONSTRUCTION AND PERFORMANCE PER AS4623. FITTINGS SHALL BE PERMANENTLY ATTACHED TO HOSE. 4. OPERATING CHARACTERISTICS PER AS4623. /5/ MARKING: MARKING SHALL BE PER
21、AS4623 ON A STAINLESS STEEL BAND NOT OVER 1.0 IN WIDE OR ON THE COLLAR. THE CHARACTERS SHALL BE A MINIMUM OF 0.06 IN HIGH. THE BAND SHALL BE SO DESIGNED AS TO REMAIN TIGHT ON THE HOSE TO PREVENT RELATIVE MOVEMENT AND RESULTANT CHAFING. IT SHALL BE OF SUFFICIENT STRENGTH TO PREVENT REMOVAL BY HAND. H
22、OSE ASSEMBLY DATE AND “PT” SYMBOL SHALL BE PERMANENTLY MARKED ON THE BAND OR ON AN END FITTING OR A FIRESLEEVE CLAMP. MARKING BAND SHALL BE COVERED WITH TRANSPARENT POLYOLEFIN SHRINK SLEEVE PER AS1073 CODE A. /6/ HOSE LENGTH: LENGTH “L” IS A FOUR DIGIT NUMBER OF WHICH THE FIRST THREE DIGITS DESCRIBE
23、 THE HOSE ASSEMBLY LENGTH IN WHOLE INCHES, AND THE FOURTH DIGIT, THE FRACTION OF AN INCH IN EIGHTHS. LENGTH “L” IS MEASURED FROM “GAGE DIAMETER” TO “GAGE DIAMETER”. FOR LENGTH TOLERANCES SEE TABLE 3. TO CONVERT “GAGE DIAMETER” TO “GAGE DIAMETER” TO “END TO END” MEASUREMENT, ADD TWO TIMES “D” TO LENG
24、TH “L”. /7/ HOSE ASSEMBLY INSIDE DIAMETER SHALL BE VERIFIED BY PASSING THE DESIGNATED, OR LARGER, SPHERICAL BALL PER TABLE 1 THROUGH THE HOSE ASSEMBLY. /8/ DISTANCE ACROSS CORNERS OF COUPLING NUT MAY EXCEED THIS DIMENSION. /9/ FITTING ENDS SIZE -4 THRU -16 MUST COMPLY WITH NAS1760; FITTINGS FOR HOSE
25、 SIZE -20 AND LARGER TO COMPLY WITH AS4703. FITTINGS SHALL MATE WITH AS33514 OR AS4375, FOR SIZES THRU -16 AND WITH AS4658 OR AS4659 IN SIZES -20 AND LARGER. -20 AND LARGER NUTS SHALL CONFORM TO AS4660 OR AS4702. STANDARD COUPLING NUTS SHALL BE IN ACCORDANCE WITH OR EQUIVALENT TO AS1790 OR AS1792. /
26、10/ CLAMP DIAMETERS: DIAMETERS ARE LISTED FOR CLAMP SELECTION. TUBULAR SLEEVES MAY NOT BE A PERFECT ROUND AND SHALL BE MEASURED WITH A DIAMETER TAPE RULE (OFTEN REFERRED TO AS A PI-TAPE). /11/ SLEEVE DIAMETERS: THE TABLE 2 SLEEVE DIAMETERS FOR AS1072 SLEEVES APPLY WHEN THE SLEEVE IS COMPRESSED, OR C
27、LAMPED TO CONTACT THE HOSE, IN THIS CASE, A WRINKLE MAY OCCUR OVER APPROXIMATELY 10% OF THE SLEEVE CIRCUMFERENCE. /12/ FIRESLEEVE: THE CUT ENDS OF THE FIRESLEEVE SHALL BE COATED WITH RTV SILICONE RUBBER PRIOR TO INSTALLATION TO PREVENT WICKING OF FLUIDS. THE FIRESLEEVE ENDS SHALL BE SECURED TO THE H
28、OSE ASSEMBLY END FITTINGS WITH CORROSION RESISTANT STEEL BANDS. AFTER INSTALLATION, CRACKS OR VOIDS IN THE FIRESLEEVE, WHICH EXPOSE THE FIBERGLASS, SHALL BE COATED WITH RTV SILICONE RUBBER. /13/ IDENTIFICATION MARKING: ADD “AS1055 TYPE IIB CLASS A-S/P” TO IDENTIFICATION MARKING TO SHOW LEVEL OF COMP
29、LIANCE, “FIRE RESISTANT 275 F (5 MIN), WITH AS1055.” AEROSPACE STANDARD AS4624 SHEET 6 OF 6 REV. D HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, PARA ARAMID REINFORCED, HEAVY-DUTY, 275 F, 3000 PSI FLARELESS TITANIUM FITTINGS, INCLUDING JUMP SIZE, STRAIGHT TO STRAIGHT /14/ JUMP SIZE CODE EXPLANATION: a. R-
30、STEP DOWN 1 STANDARD LETTER SIZE PER TABLE 1 (REDUCED) b. S-HOSE SIZE (NO REDUCTION OR EXPANSION) c. E-STEP UP 1 STANDARD LETTER SIZE PER TABLE 1 (EXPANDED) NOTE: WHEN FITTING SIZE CHANGES EXIST, SPECIFY SMALLER FITTING PRIOR TO THE LARGER FITTING IN THE PART NUMBER. /15/ WHEN FIRESLEEVES ARE REQUIR
31、ED, WEIGHT LIMITS SHALL BE DEFINED BY THE PROCURING AUTHORITY. /16/ TITANIUM PARTS MAY BE REPLACED WITH STAINLESS STEEL IF MAXIMUM WEIGHT FOR FITTING IS NOT EXCEEDED. 17. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994. 18. SAFETY WIRE HOLES LOCATION AND DIAMETER PER AS1043 CODED AS FOLLOWS: a. U = T
32、WO HOLES 180 DEGREES APART b. W = THREE HOLES 120 DEGREES APART 19. THIS PART STANDARD TAKES PRECEDENCE IN CASES OF CONFLICT. /20/ THE SHRINK-ON POLYOLEFIN SLEEVE WILL COVER THE ENTIRE HOSE AND A MINIMUM OF 50% OF THE COLLARS ON BOTH ENDS OF THE ASSEMBLY. /21/ THE INTEGRAL POLYESTER ABRASION SLEEVE,
33、 CODE K, SHALL HAVE THE SUPPORT CUFF IN ACCORDANCE WITH FIGURE 2. THE CUFF MAY BE CONTOURED AND HAVE A MINIMUM THICKNESS OF 0.10 INCHES. THE CUFF SHALL BE ADHERED TO THE FITTING COLLAR/SOCKET AND HOSE. THE CUFF MATERIAL SHALL BE A SILICONE MATERIAL THAT IS COMPATIBLE WITH AIRCRAFT FLUIDS. 22. 23. A
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