1、 INCH-POUND MIL-DTL-52525/35B 1 December 2008 SUPERSEDING MIL-DTL-52525/35A 30 June 1998 DETAIL SPECIFICATION SHEET FITTINGS, HOSE, SCREW-ON TO 4-BOLT SPLIT-FLANGE, 45 BENT TUBE This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for
2、acquiring the product described herein shall consist of this specification sheet and MIL-DTL-52525. FIGURE 1. Fitting, screw-on to 4-bolt split-flange, 45 bent tube. AMSC N/A FSC 4730.Provided by IHSNot for Resale-,-,-MIL-DTL-52525/35B 2 Part or Identifying Number (PIN) Hose ID inches (mm) Hose OD i
3、nches (mm) Tube OD inches (mm) Flange size inches (mm) A max inches (cm) M52525/35-12-12 .75 (19.05) 1.26 (32.00) .75 (19.05) .75 (19.05) 6.38 (16.20) M52525/35-16-16 1.00 (25.40) 1.51 (38.35) 1.00 (25.40) 1.00 (25.40) 7.04 (17.88) PIN C max inches (mm) D min inches (mm) F max inches (mm) M52525/35-
4、12-12 1.88 (47.75) .60 (15.24) 1.18 (29.97) M52525/35-16-16 2.31 (58.67) .75 (19.05) 1.25 (31.75) NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for information only. FIGURE 1. Fitting, screw-on to 4-bolt split-flange, 45 bent tube -Continued. REQUIREMENTS: Fittings described he
5、rein are for use with hose in accordance with MIL-DTL-52471/7, type 100RE, 4-spiral-wrap reinforcement hose and hose assemblies in accordance with MIL-DTL-52471/8. Fittings shall be as specified on figure 1 and in tables I and II. If fittings are to be used on an oxygen hose, see MIL-DTL-52525. Mate
6、rials and finishes shall be in accordance with MIL-DTL-52525 and in table I. All finishes shall be capable of withstanding 96 hours minimum of salt spray. Provided by IHSNot for Resale-,-,-MIL-DTL-52525/35B 3 TABLE I. Material and finish identification codes. 1/ 2/ PIN code material/plating finish M
7、aterial Plating finish A 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 Aluminum alloy 6061 or 7075 Bare aluminum with NAVAIR TCP in accordance wi
8、th MIL-DTL-81706, type 2, class A. C Cadmium plating in accordance with SAE-AMS-C-81562, type II, class 3 or SAE-AMS-QQ-P-416, type II, class 2. CN Steel 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 MIL-D
9、TL-81706, type 2, class A. YC Cadmium plating in accordance with SAE-AMS-C-81562, type II, class 3 or SAE-AMS-QQ-P-416, type II, class 2. YN 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 and NAVAIR TCP in
10、 accordance with MIL-DTL-81706, type 2, class A. F Steel FN Chrome-molybdenum steel alloy 4130 NAVAIR TCP in accordance with MIL-DTL-81706, type 2, class A. G Steel YG Chrome-molybdenum steel alloy 4130 Zinc plating with colorless passivate in accordance with ASTM B633, type V, Fe/Zn 25. H Steel YH
11、Chrome-molybdenum steel alloy 4130 Zinc phosphate finish in accordance MIL-DTL-16232, type Z, class1. 3/ J Steel YJ Chrome-molybdenum steel alloy 4130 Zinc plating with chromate conversion in accordance with ASTM B633; type II or III, Fe/Zn 5, or ASTM B695, type II, class 5. K Nickel-copper alloy UN
12、S N04400 No additional finish. M High-chromium nickel alloy UNS N06690 No additional finish. N Steel YN Chrome-molybdenum steel alloy 4130 Zinc aluminum in accordance with ASTM F1136, grade 3, NC. P Steel YP Chrome-molybdenum steel alloy 4130 Zinc plating with colorless passivate in accordance with
13、ASTM B633, type VI, Fe/Zn 5. S No additional finish. Passivation in accordance with SAE-AMS2700, type 6 or 7. SN Corrosion resistant steel 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-nicke
14、l in accordance with SAE-AMS2417, type 1. W Steel YW Chrome-molybdenum steel alloy 4130 Any zinc plating above. Z Steel YZ Chrome-molybdenum steel alloy 4130 Any zinc plating above with NAVAIR TCP in accordance with MIL-DTL-81706, type 2, class A. 1/ All materials and finishes shall be in accordance
15、 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 IHSMIL-DTL-52525/35B 4 The operating pressure shall be as specified in table II. Maximum operatin
16、g pressures are for low carbon steel fittings consult manufacturer for values on other materials. TABLE II. Maximum operating pressures of fittings. 1/ 2/ SAE dash size Hose ID inches (mm) psi MPa -12 .75 (19.05) 6250 43.1 -16 1.00 (25.40) 5000 34.5 1/ Dimensions are in inches. 2/ Metric equivalents
17、 are given for information only. PIN: The PIN consists of the letter “M” the specification sheet number, a dash, a number for the hose size a dash, a number for flange size, and a material finish designator. M 52525/35 -16 -16 A PIN example: M52525/35-16-16A, , describes a 45 split flange for a 1.00
18、 inch (25.40 mm) hose, 1.00 inch (25.40 mm) flange, aluminum with an anodized finish. 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 specified in this document cannot meet performance requ
19、irements. Color identification. Color identification shall be in accordance with SAE-AS4841. Marking shall include the manufacturers name or trademark, size, and hose identifier 100RE. Location of marking is optional. Harmonization to SAE-J516 cross reference PIN in table III is for reference only.
20、SAE style fittings may not have the same material/finish as required by MIL-DTL-52525 and legacy with MIL-DTL-52471. Size dash number for flange (see figure 1) Specification sheet numberSize dash number for hose (see figure 1) Material/finish designator (see table I) M prefix Provided by IHSNot for
21、ResaleNo reproduction or networking permitted without license from IHSMIL-DTL-52525/35B 5 TABLE III. Harmonization to SAE-J516 cross reference PIN. 1/ 2/ Superseded PIN SAE-J516 Equivalent PIN 2/ 3/ M52525/35 -12-12 SAE J516 16-16 4922*EE M52525/35 -16-16 SAE J516 20-20 4922*EE 1/ Material and finis
22、h designators are omitted from PINs reference table II and SAE-J846. 2/ * indicates that SAE never made type 100RE hose. 3/ The “EE” at the end of the SAE PIN is to indicate a nonstandard part. Changes from previous issue. Marginal notations are not used in this revision to identify changes with res
23、pect 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-52471/7 MIL-DTL-52471/8 MIL-DTL-52525/16 MIL-DTL-52525/17 MIL-DTL-81706 ASTM B633 ASTM B695 ASTM F1
24、136 SAE-AMS-C-81562 SAE-AMS-QQ-P-416 SAE-AMS2417 SAE-AMS2488 SAE-AMS2700 SAE-AS4841 SAE-J516 SAE-J518 SAE-J846 CONCLUDING MATERIAL Custodians: Preparing activity: Army - AT DLA - CC Navy - SH Air Force - 99 (Project 4730-2007-091) DLA - CC Review activities: Army - CR4 Navy - AS, CG, MC, SA, YD NOTE
25、: 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 Resale-,-,-
