1、 MIL-DTL-52525/8C SUPERSEDING 12 November 2008 MIL-DTL-52525/8B 30 June 1998 DETAIL SPECIFICATION SHEET FITTINGS, HOSE, SCREW-ON TO 37 FLARE FEMALE SWIVEL, 90 BENT TUBE, LONG DROP This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements fo
2、r acquiring the product described herein shall consist of this specification sheet and MIL-DTL-52525. FIGURE 1. Fitting, hose, screw-on to 37 flare, 90 bent tube, long drop. AMSC N/A FSC 4730INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
3、MIL-DTL-52525/8C 2 Part or Identifying Number (PIN) Hose ID ref inches (mm) Tube OD inches (mm) Thread size (see note 3) C max inches (mm) F max inches (mm) M52525/8-4-4 .250 (6.35) .250 (6.35) .438-20-UNF 2.63 (66.80) 1.86 (47.24) M52525/8-4-5 .250 (6.35) .313 (7.95) .500-20-UNF 2.67 (67.82) 1.86 (
4、47.24) M52525/8-6-6 .375 (9.53) .375 (9.53) .563-18-UNF 3.03 (76.96) 2.24 (56.90) M52525/8-8-8 .500 (12.70) .500 (12.70) .750-16-UNF 3.56 (90.42) 2.49 (63.25) M52525/8-8-10 .500 (12.70) .625 (15.88) .875-14-UNF 3.78 (96.01) 2.63 (66.80) M52525/8-12-12 .750 (19.05) .750 (19.05) 1.063-12-UNC 4.28 (108
5、.71) 3.79 (96.27) M52525/8-16-16 1.000 (25.40) 1.000 (25.40) 1.313-12-UNC 5.20 (132.08) 4.39 (111.51) PIN H Hex size L inches (mm) max M inches (mm) min N inches (mm) P (see note 4) inches (mm) +.030 (0.76) .015 (0.38) .005 (0.13) .000 M52525/8-4-4 .563 (14.30) .87 (22.10) .300 (7.62) .344 (8.74) .2
6、95 (7.49) M52525/8-4-5 .625 (15.88) .87 (22.10) .331 (8.41) .375 (9.53) .355 (9.02) M52525/8-6-6 .688 (17.48) 1.09 (27.69) .333 (8.46) .375 (9.53) .435 (11.05) M52525/8-8-8 .875 (22.23) 1.20 (30.48) .375 (9.53) .422 (10.72) .570 (14.48) M52525/8-8-10 1.000 (25.40) 1.20 (30.48) .461 (11.71) .500 (12.
7、70) .680 (17.27) M52525/8-12-12 1.250 (31.75) 1.59 (40.39) .469 (11.91) .562 (14.27) .850 (21.59) M52525/8-16-16 1.500 (38.10) 2.02 (51.31) .563 (14.30) .594 (15.09) 1.000 (25.40) PIN Q min Bore diameter inches (mm) M52525/8-4-4 .11 (2.79) M52525/8-4-5 .11 (2.79) M52525/8-6-6 .26 (6.60) M52525/8-8-8
8、 .38 (9.65) M52525/8-8-10 .38 (9.65) M52525/8-12-12 .57 (14.48) M52525/8-16-16 .78 (19.81) NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for information only. 3. Threads shall be in accordance with ASME B1.1 series with graded pitches fine (UNF) and series with constant pitches
9、 (UNC), class 2B. 4. Dimension P to be concentric with dimension Q with in .015 inch (0.38 mm) full indicator movement. 5. All dimensions not shown shall be in accordance with SAE-J516. 6. These fittings are similar to SAE-J516 type, for use with SAE-J517 type hose FIGURE 1. Fitting, hose, screw-on
10、to 37 flare, 90 bent tube, long drop - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-52525/8C 3 REQUIREMENTS: Fittings shall be as specified on figure 1 and in tables I, II, and III. The fittings described herein are for use with
11、 hose in accordance with MIL-DTL-52471/4, SAE-J517, type 100R1 steel wire reinforced, rubber covered hydraulic hose and hose assemblies in accordance with MIL-DTL-52471/1. If fittings are to be used on an oxygen hose, see MIL-DTL-52525. Materials and finishes shall be in accordance with MIL-DTL-5252
12、5 and in table I. All finishes shall be capable of withstanding 96 hours minimum of salt spray. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-52525/8C 4 TABLE I. Material and finish identification codesPIN code material/plating finish . 1/
13、2/ Material Plating finish A Aluminum alloy 6061 or 7075 Anodize in accordance with MIL-A-8625, type II. AN Anodize in accordance with MIL-A-8625, type II and NAVAIR trivalent chromium pretreatment (TCP) in accordance with MIL-DTL-81706, type 2, class A. BN Bare aluminum with NAVAIR TCP in accordanc
14、e with MIL-DTL-81706, type 2, class A. C Steel Cadmium plating in accordance with SAE-AMS-C-81562, type II, class 3 or SAE-AMS-QQ-P-416, type II, class 2. CN Cadmium plating in accordance with SAE-AMS-C-81562, type II, class 3 or SAE-AMS-QQ-P-416, type II, class 2 and NAVAIR TCP in accordance with M
15、IL-DTL-81706, type 2, class A. YC Chrome-molybdenum steel alloy 4130 Cadmium plating in accordance with SAE-AMS-C-81562, type II, class 3 or SAE-AMS-QQ-P-416, type II, class 2. YN Cadmium plating in accordance with SAE-AMS-C-81562, type II, class 3 or SAE-AMS-QQ-P-416, type II, class 2 and NAVAIR TC
16、P in accordance with MIL-DTL-81706, type 2, class A. F Steel NAVAIR TCP in accordance with MIL-DTL-81706, type 2, class A. FN Chrome-molybdenum steel alloy 4130 G Steel Zinc plating with colorless passivate in accordance with ASTM B633, type V, Fe/Zn 25. YG Chrome-molybdenum steel alloy 4130 H Steel
17、 Zinc phosphate finish in accordance MIL-DTL-16232, type Z, class1. 3/ YH Chrome-molybdenum steel alloy 4130 J Steel Zinc plating with chromate conversion in accordance with ASTM B633; type II or III, Fe/Zn 5, or ASTM B695, type II, class 5. YJ Chrome-molybdenum steel alloy 4130 K Nickel-copper allo
18、y UNS N04400 No additional finish. M High-chromium nickel alloy UNS N06690 No additional finish. N Steel Zinc aluminum in accordance with ASTM F1136, grade 3, NC. YN Chrome-molybdenum steel alloy 4130 P Steel Zinc plating with colorless passivate in accordance with ASTM B633, type VI, Fe/Zn 5. YP Ch
19、rome-molybdenum steel alloy 4130 S Corrosion resistant steel No additional finish. Passivation in accordance with SAE-AMS2700, type 6 or 7. SN Passivation above and NAVAIR TCP in accordance with MIL-DTL-81706, type 2, class A. T Titanium Anodize in accordance with SAE-AMS2488, type 2. V Steel Zinc-n
20、ickel in accordance with SAE-AMS2417, type 1. W Steel Any zinc plating above. YW Chrome-molybdenum steel alloy 4130 Z Steel Any zinc plating above with NAVAIR TCP in accordance with MIL-DTL-81706, type 2, class A. YZ Chrome-molybdenum steel alloy 4130 1/ All materials and finishes shall be in accord
21、ance with MIL-DTL-52525. 2/ Embitterment test need not be run. 3/ Zinc phosphate finish is hexavalent chromium free. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-52525/8C 5 Maximum operating pressure shall be as specified in table II. Maxi
22、mum operating pressures are for low carbon steel fittings consult manufacturer for values on other materials. TABLE II. Maximum operating pressures of fittingsSAE dash size . 1/ 2/ Hose ID inches (mm) psi MPa -4 .250 (6.35) 2750 19.0 -5 .313 (7.95) 2500 17.2 -6 .375 (9.53) 2250 15.5 -8 .500 (12.70)
23、2000 13.8 -10 .625 (15.88) 1500 10.3 -12 .750 (19.05) 1250 8.6 -16 1.000 (25.40) 1000 6.9 1/ Dimensions are in inches. 2/ Metric equivalents are given for information only. Over tightening torque shall be as specified in table III. Over tightening torque values are for low carbon steel fittings cons
24、ult manufacturer for values on other materials. TABLE III. Over-tightening torque for swivel nutSAE dash size . 1/ 2/ Hose ID ref inches (mm) Torque Pound-force inch (lb-in) N m -4 .250 (6.35) 135 15 -5 .313 (7.95) 180 20 -6 .375 (9.53) 270 31 -8 .500 (12.70) 450 51 -10 .625 (15.88) 650 73 -12 .750
25、(19.05) 900 102 -16 1.000 (25.40) 1200 136 1/ Dimensions are in inches. 2/ Metric equivalents are given for information only. PIN: The PIN consists of the letter “M” the specification sheet number, a dash, a number for hose size, a dash, a number for tube size, and a material finish designator. M 52
26、525/8 -4 -5 A PIN example: M52525/8-4-5A, describes a 90 connector for a .250 inch (6.35 mm) hose OD, .313 inch (7.95 mm) tube OD, aluminum with an anodized finish. Size dash number for tube (see figure I) Size dash number for hose (see figure I) Specification sheet number M prefix Material/finish d
27、esignator (see table I) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-52525/8C 6 To the users of this document, it is recommended that the use of carbon steel material with cadmium plating be used only when the other materials and finishes
28、specified in this document cannot meet performance requirements. Color identification. Color identification shall be in accordance with SAE-AS4841. Marking shall include the manufacturers name or trademark, size, and hose identifier R1. Location of marking is optional. Harmonization to SAE-J516 cros
29、s reference PIN in table IV is for reference only. SAE style fittings may not have the same material/finish as required by MIL-DTL-52525 and legacy with MIL-DTL-52471. TABLE IV. Harmonization to SAE-J516 cross reference PINPIN . 1/ SAE PIN M52525/8-4-4 SAE J516 4-4 F241553 M52525/8-4-5 SAE J516 4-5
30、F241553 M52525/8-6-6 SAE J516 6-6 F241553 M52525/8-8-8 SAE J516 8-8 F241553 M52525/8-8-10 SAE J516 8-10 F241553 M52525/8-12-12 SAE J516 12-12 F241553 M52525/8-16-16 SAE J516 16-16 F241553 1/ Material and finish designators are omitted from PINs see table I and SAE-J846. Changes from previous issue.
31、Marginal notations are not used in this revision to identify changes with respect to the previous issue, due to the extent of the changes. Referenced documents. In addition to MIL-DTL-52525, this document references the following: MIL-A-8625 MIL-DTL-16232 MIL-DTL-52471 MIL-DTL-52471/1 MIL-DTL-52471/
32、4 MIL-DTL-81706 ASME B1.1 ASTM B633 ASTM B695 ASTM F1136 SAE-AMS-C-81562 SAE-AMS-QQ-P-416 SAE-AMS2417 SAE-AMS2488 SAE-AMS2700 SAE AS4841 SAE-J516 SAE-J517 SAE-J846 CONCLUDING MATERIAL Custodians: Preparing activity: Army - AT DLA - CC Navy - SH Air Force - 99 (Project 4730-2007-076) DLA - CC Review
33、activities: Army - CR4 Navy - AS, CG, MC, SA, YD NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
