1、AMSC N/A FSC 4810 INCH-POUND MIL-DTL-24704/1B(SH) 4 October 2011 SUPERSEDING MIL-F-24704/1A(SH) 23 March 1992 DETAIL SPECIFICATION FLANGES, FOUR BOLT SQUARE, SOCKET WELD FOR HYDRAULIC SYSTEMS This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is avai
2、lable for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-24704. Scope. This specification sheet covers the requirements for four bolt square socket weld flanges for us
3、e in 3000 pounds per square inch (lb/in) hydraulic systems. Part or identifying number (PIN)M . PINs to be used for socket weld flanges acquired to this specification are created as follows: 24704 X /1 X X XX X Specification prefix Specification number Specification sheet number Flange style (see co
4、de below) Flange (square) size (see code below) Pipe (tube) size (see code below) Material (see code below) Vent requirement (see code below) Example: The PIN for a straight flange for NPS piping, size 1.5 square inches, 2 inches NPS, made of Corrosion Resistant (CRES) Class 316, with a vent located
5、 at position X (figure 5) would be written as M24704/1SA16CX. Flange style. The flange style designation letter indicates whether a straight or angle flange and whether for tubing or NPS piping as indicated below: Code Description S Straight flange for NPS piping (see figure 1) L Right angle flange
6、for NPS piping (see figure 2) T Straight flange for outside diameter (OD) tubing (see figure 3) R Right angle flange for OD tubing (see figure 4) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24704/1B(SH) 2 Flange (square) size. The square
7、size of the flange shall be designated by a letter in accordance with the following list (see figures 1, 2, 3, and 4 for listing of compatible flange and pipe (tube) sizes): Code Square Size (in) A 1.50 B 1.75 C 2.00 D 2.25 E 2.75 F 3.50 G 4.25 Pipe (tube) size. The pipe or tubing size shall be desi
8、gnated as a two digit number in accordance with the following list: Size Pipe (NPS) Tube (OD) 01 (0.405 OD) - 02 (0.540 OD) 0.25 03 (0.675 OD) 0.375 04 (0.840 OD) 0.500 06 (1.050 OD) 0.750 08 1 (1.315 OD) 1.000 10 1 (1.660 OD) 1.250 12 1 (1.900 OD) 1.500 16 2 (2.375 OD) 2.000 Material. The flange ma
9、terial shall be designated by a letter as indicated below: Code Flange material C Corrosion-resistant steel (CRES), Type/Class 304 or 316 in accordance with ASTM A276, ASTM A473, or SAE-AMS-QQ-S-763. L Corrosion-resistant steel (CRES), Type/Class 304L or 316L in accordance with ASTM A276, ASTM A473,
10、 or SAE-AMS-QQ-S-763. N Nickel copper alloy in accordance with QQ-N-281, Class A or ASTM B127 (UNS N04400 only). Vent requirement. The vent requirement shall be designated by a letter X, Y, or Z as indicated on figure 5 and figure 6. For flanges without a vent, the letter W shall be used. Machining
11、for the vent port shall be as shown on the applicable figures. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24704/1B(SH) 3 FIGURE 1. Straight flange pipe. -B-GUL(K)J63SECTION X-XDCBADBACXX0.20RPH0.015R-C-FA0.0310.010 M B C4X E THRU TC0.050
12、-A-0.020RA0.0100.003RMAXV8Q0.003RMAXB0.01063A0.010 CProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24704/1B(SH) 4 Unless otherwise specified herein or in 6.2 of the base specification (MIL-DTL-24704): Surface roughness shall not exceed 125 m
13、icroinches. Tolerances shall be: .XXX 0.015 .XX 0.03 Break edges and corners to 0.005 radius max. PIN - M24704/1 S# * xx # *- Selected from below. # * Flange size (in inches) Pipe size (NPS) A B C D E F G H Sq Sq +0.010 +0.031 +0.005 -0.010 -0.000 -0.000 A 01 1.50 0.125 1.50 0.75 0.938 0.469 0.281 0
14、.812 0.375 0.425 B 01 1.75 0.125 1.75 0.88 1.125 0.562 0.344 0.812 0.375 0.425 B 02 1.75 0.250 1.75 0.88 1.125 0.562 0.344 0.969 0.375 0.560 C 02 2.00 0.250 2.00 1.00 1.312 0.656 0.406 0.969 0.375 0.560 C 03 2.00 0.375 2.00 1.00 1.312 0.656 0.406 1.125 0.375 0.695 D 02 2.25 0.250 2.25 1.12 1.500 0.7
15、50 0.469 0.969 0.375 0.560 D 03 2.25 0.375 2.25 1.12 1.500 0.750 0.469 1.125 0.375 0.695 D 04 2.25 0.500 2.25 1.12 1.500 0.750 0.469 1.281 0.375 0.860 E 02 2.75 0.250 2.75 1.38 1.875 0.938 0.469 0.969 0.375 0.560 E 03 2.75 0.375 2.75 1.38 1.875 0.938 0.469 1.125 0.375 0.695 E 04 2.75 0.500 2.75 1.38
16、 1.875 0.938 0.469 1.281 0.375 0.860 E 06 2.75 0.750 2.75 1.38 1.875 0.938 0.469 1.531 0.500 1.070 E 08 2.75 1.000 2.75 1.38 1.875 0.938 0.469 1.875 0.500 1.335 F 02 3.50 0.250 3.50 1.75 2.500 1.250 0.531 0.969 0.375 0.560 F 03 3.50 0.375 3.50 1.75 2.500 1.250 0.531 1.125 0.375 0.695 F 04 3.50 0.500
17、 3.50 1.75 2.500 1.250 0.531 1.281 0.375 0.860 F 06 3.50 0.750 3.50 1.75 2.500 1.250 0.531 1.531 0.500 1.070 F 08 3.50 1.000 3.50 1.75 2.500 1.250 0.531 1.875 0.500 1.335 F 10 3.50 1.250 3.50 1.75 2.500 1.250 0.531 2.250 0.500 1.680 F 12 3.50 1.500 3.50 1.75 2.500 1.250 0.531 2.563 0.500 1.920 G 16
18、4.25 2.000 4.25 2.12 3.062 1.531 0.656 3.188 0.625 2.411 FIGURE 1. Straight flange pipe Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24704/1B(SH) 5 Unless otherwise specified herein or in 6.2 of the base specification (MIL-DTL-2
19、4704): Surface roughness shall not exceed 125 microinches. Tolerances shall be: .XXX 0.015 .XX 0.03 Break edges and corners to 0.005 radius max. PIN - M24704/1 S# * xx # *- Selected from below. # * Flange size (in inches) Pipe size (NPS) J K L P Q V S T U +0.002 +0.010 +0.000 +0.000 2.5 -0.000 -0.00
20、0 -0.002 -0.015 Deg A 01 1.50 0.125 1.313 0.53 0.062 0.215 0.487 - - 0.561 0.404 B 01 1.75 0.125 1.313 0.53 0.062 0.215 0.687 - 15.0 0.623 0.404 B 02 1.75 0.250 1.313 0.53 0.062 0.302 0.687 0.375 15.0 0.623 0.404 C 02 2.00 0.250 1.313 0.53 0.062 0.302 0.999 0.625 15.0 0.717 0.404 C 03 2.00 0.375 1.3
21、13 0.53 0.062 0.423 0.999 0.625 15.0 0.717 0.404 D 02 2.25 0.250 1.594 0.81 0.062 0.302 1.187 0.813 22.5 0.811 0.658 D 03 2.25 0.375 1.594 0.81 0.062 0.423 1.187 0.813 15.0 0.811 0.658 D 04 2.25 0.500 1.594 0.81 0.062 0.622 1.187 0.813 15.0 0.811 0.658 E 02 2.75 0.250 1.656 0.87 0.125 0.302 1.437 1.
22、000 22.5 0.811 0.657 E 03 2.75 0.375 1.656 0.87 0.125 0.423 1.437 1.000 15.0 0.811 0.657 E 04 2.75 0.500 1.656 0.87 0.125 0.622 1.437 1.000 15.0 0.811 0.657 E 06 2.75 0.750 1.781 0.87 0.125 0.824 1.437 1.000 15.0 0.811 0.657 E 08 2.75 1.000 1.781 0.87 0.125 0.957 1.437 1.000 15.0 0.811 0.657 F 02 3.
23、50 0.250 2.000 1.25 0.125 0.302 2.124 1.500 30.0 0.915 1.032 F 03 3.50 0.375 2.000 1.25 0.125 0.423 2.124 1.500 22.5 0.915 1.032 F 04 3.50 0.500 2.000 1.25 0.125 0.622 2.124 1.500 22.5 0.915 1.032 F 06 3.50 0.750 2.125 1.25 0.125 0.824 2.124 1.500 22.5 0.915 1.032 F 08 3.50 1.000 2.125 1.25 0.125 0.
24、957 2.124 1.500 15.0 0.915 1.032 F 10 3.50 1.250 2.250 1.37 0.125 1.278 2.124 1.500 5.0 0.915 1.032 F 12 3.50 1.500 2.250 1.37 0.125 1.500 2.124 - - 0.915 1.032 G 16 4.25 2.000 2.594 1.75 0.125 1.689 2.374 1.750 15.0 1.228 1.125 FIGURE 1. Straight flange pipe Continued. Provided by IHSNot for Resale
25、No reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24704/1B(SH) 6 FIGURE 2. Right angle flange pipe. DCBADCABXX0.010 M B S C4X E THRU0.20RKPQ63B0.010C0.010-B-G63LSJ-C-SECTION X-X0.003RMAX0.015RTVA0.010HF-A-A0.031Provided by IHSNot for ResaleNo reproduction or networking per
26、mitted without license from IHS-,-,-MIL-DTL-24704/1B(SH) 7 Unless otherwise specified herein or in 6.2 of the base specification (MIL-DTL-24704): Surface roughness shall not exceed 125 microinches. Tolerances shall be: .XXX 0.015 .XX 0.03 Break edges and corners to 0.005 radius max. PIN - M24704/1 L
27、# * xx # *- Selected from below. # * Flange size (in inches) Pipe size (NPS) A B C D E F G H Sq Sq +0.010 +0.031 +0.005 -0.010 -0.000 -0.000 B 01 1.75 0.125 1.75 0.88 1.125 0.562 0.344 0.969 0.375 0.425 B 02 1.75 0.250 1.75 0.88 1.125 0.562 0.344 0.969 0.375 0.560 C 02 2.00 0.250 2.00 1.00 1.312 0.6
28、56 0.406 0.969 0.375 0.560 C 03 2.00 0.375 2.00 1.00 1.312 0.656 0.406 1.125 0.375 0.695 C 04 2.00 0.500 2.00 1.00 1.312 0.656 0.406 1.281 0.375 0.860 D 02 2.25 0.250 2.25 1.12 1.500 0.750 0.469 0.969 0.375 0.560 D 03 2.25 0.375 2.25 1.12 1.500 0.750 0.469 1.125 0.375 0.695 D 04 2.25 0.500 2.25 1.12
29、 1.500 0.750 0.469 1.281 0.375 0.860 E 02 2.75 0.250 2.75 1.38 1.875 0.938 0.469 0.969 0.375 0.560 E 03 2.75 0.375 2.75 1.38 1.875 0.938 0.469 1.125 0.375 0.695 E 04 2.75 0.500 2.75 1.38 1.875 0.938 0.469 1.281 0.375 0.860 E 06 2.75 0.750 2.75 1.38 1.875 0.938 0.469 1.531 0.500 1.070 E 08 2.75 1.000
30、 2.75 1.38 1.875 0.938 0.469 1.875 0.500 1.335 F 02 3.50 0.250 3.50 1.75 2.500 1.250 0.531 0.969 0.375 0.560 F 03 3.50 0.375 3.50 1.75 2.500 1.250 0.531 1.125 0.375 0.695 F 04 3.50 0.500 3.50 1.75 2.500 1.250 0.531 1.281 0.375 0.860 F 06 3.50 0.750 3.50 1.75 2.500 1.250 0.531 1.531 0.500 1.070 F 08
31、3.50 1.000 3.50 1.75 2.500 1.250 0.531 1.875 0.500 1.335 F 10 3.50 1.250 3.50 1.75 2.500 1.250 0.531 2.250 0.500 1.680 F 12 3.50 1.500 3.50 1.75 2.500 1.250 0.531 2.563 0.500 1.920 G 16 4.25 2.000 4.25 2.12 3.062 1.531 0.656 3.375 0.625 2.411 FIGURE 2. Right angle flange pipe Continued. Provided by
32、IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24704/1B(SH) 8 Unless otherwise specified herein or in 6.2 of the base specification (MIL-DTL-24704): Surface roughness shall not exceed 125 microinches. Tolerances shall be: .XXX 0.015 .XX 0.03 Break edges
33、 and corners to 0.005 radius max. PIN - M24704/1 L# * xx # *- Selected from below. # * Flange size (in inches) Pipe size (NPS) J K L P Q V S T +0.015 +0.002 +0.010 +0.000 +0.010 Max -0.000 -0.000 -0.000 -0.002 -0.000 B 01 1.75 0.125 1.265 0.750 0.062 0.375 0.687 0.215 0.781 0.594 B 02 1.75 0.250 1.2
34、65 0.750 0.062 0.375 0.687 0.302 0.781 0.594 C 02 2.00 0.250 1.188 0.750 0.062 0.625 0.999 0.302 0.781 0.594 C 03 2.00 0.375 1.421 0.750 0.062 0.625 0.999 0.423 0.938 0.688 C 04 2.00 0.500 1.671 0.750 0.062 0.625 0.999 0.622 1.062 0.750 D 02 2.25 0.250 1.312 0.750 0.062 0.813 1.187 0.302 0.750 0.625
35、 D 03 2.25 0.375 1.406 0.750 0.062 0.813 1.187 0.423 0.875 0.688 D 04 2.25 0.500 1.562 0.750 0.062 0.813 1.187 0.622 1.062 0.750 E 02 2.75 0.250 1.312 0.750 0.125 1.000 1.437 0.302 0.812 0.625 E 03 2.75 0.375 1.406 0.750 0.125 1.000 1.437 0.423 0.906 0.688 E 04 2.75 0.500 1.562 0.750 0.125 1.000 1.4
36、37 0.622 1.062 0.750 E 06 2.75 0.750 1.781 0.875 0.125 1.000 1.437 0.824 1.281 0.875 E 08 2.75 1.000 2.312 0.875 0.125 1.000 1.437 0.957 1.656 1.125 F 02 3.50 0.250 1.189 0.750 0.125 1.500 2.124 0.302 0.750 0.563 F 03 3.50 0.375 1.439 0.750 0.125 1.500 2.124 0.423 0.906 0.688 F 04 3.50 0.500 1.689 0
37、.750 0.125 1.500 2.124 0.622 1.125 0.813 F 06 3.50 0.750 1.939 0.875 0.125 1.500 2.124 0.824 1.344 0.938 F 08 3.50 1.000 2.189 0.875 0.125 1.500 2.124 0.957 1.656 1.063 F 10 3.50 1.250 2.689 0.875 0.125 1.500 2.124 1.278 2.000 1.313 F 12 3.50 1.500 2.939 0.875 0.125 1.500 2.124 1.500 2.125 1.469 G 1
38、6 4.25 2.000 3.532 1.000 0.125 1.750 2.374 1.689 2.594 1.750 FIGURE 2. Right angle flange pipe Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24704/1B(SH) 9 FIGURE 3. Straight flange tube. BACXX0.20RPH0.015R-C-FA0.0310.010 M B4X E
39、 THRU TC0.050-A-0.020RA0.0100.003RMAXQ0.003RMAX63A0.010 C-B-GUL(K)J63SECTION X-XCDCBADProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24704/1B(SH) 10 Unless otherwise specified herein or in 6.2 of the base specification (MIL-DTL-24704): Surfa
40、ce roughness shall not exceed 125 microinches. Tolerances shall be: .XXX 0.015 .XX 0.03 Break edges and corners to 0.005 radius max. PIN - M24704/1 T# * xx # *- Selected from below. # * Flange size (in inches) Pipe size (NPS) A B C D E F G H Sq Sq +0.010 +0.031 +0.005 -0.010 -0.000 -0.000 B 02 1.75
41、0.250 1.75 0.88 1.125 0.562 0.344 0.750 0.500 0.260 B 04 1.75 0.500 1.75 0.88 1.125 0.562 0.344 0.750 0.500 0.510 C 04 2.00 0.500 2.00 1.00 1.312 0.656 0.406 1.125 0.500 0.510 C 06 2.00 0.750 2.00 1.00 1.312 0.656 0.406 1.125 0.500 0.760 D 04 2.25 0.500 2.25 1.12 1.500 0.750 0.469 1.312 0.500 0.510
42、D 06 2.25 0.750 2.25 1.12 1.500 0.750 0.469 1.312 0.500 0.760 D 08 2.25 1.000 2.25 1.12 1.500 0.750 0.469 1.312 0.500 1.010 E 04 2.75 0.500 2.75 1.38 1.875 0.938 0.469 1.312 0.500 0.510 E 06 2.75 0.750 2.75 1.38 1.875 0.938 0.469 1.312 0.500 0.760 E 08 2.75 1.000 2.75 1.38 1.875 0.938 0.469 1.875 0.
43、500 1.010 E 12 2.75 1.500 2.75 1.38 1.875 0.938 0.469 1.875 0.500 1.510 F 04 3.50 0.500 3.50 1.75 2.500 1.250 0.531 1.312 0.500 0.510 F 06 3.50 0.750 3.50 1.75 2.500 1.250 0.531 1.312 0.500 0.760 F 08 3.50 1.000 3.50 1.75 2.500 1.250 0.531 2.562 0.500 1.010 F 12 3.50 1.500 3.50 1.75 2.500 1.250 0.53
44、1 2.562 0.500 1.510 F 16 3.50 2.000 3.50 1.75 2.500 1.250 0.531 2.562 0.625 2.010 FIGURE 3. Straight flange tube Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24704/1B(SH) 11 Unless otherwise specified herein or in 6.2 of the bas
45、e specification (MIL-DTL-24704): Surface roughness shall not exceed 125 microinches. Tolerances shall be: .XXX 0.015 .XX 0.03 Break edges and corners to 0.005 radius max. PIN - M24704/1 T# * xx # *- Selected from below. # * Flange size (in inches) Pipe size (NPS) J K L P Q T U +0.002 +0.010 +0.000 -
46、0.000 -0.000 -0.002 B 02 1.75 0.250 1.313 0.53 0.062 0.093 0.687 0.623 0.404 B 04 1.75 0.500 1.313 0.53 0.062 0.350 0.687 0.623 0.404 C 04 2.00 0.500 1.313 0.53 0.062 0.350 0.999 0.717 0.404 C 06 2.00 0.750 1.313 0.53 0.062 0.520 0.999 0.717 0.404 D 04 2.25 0.500 1.594 0.81 0.062 0.350 1.187 0.811 0
47、.658 D 06 2.25 0.750 1.594 0.81 0.062 0.520 1.187 0.811 0.658 D 08 2.25 1.000 1.594 0.81 0.062 0.720 1.187 0.811 0.658 E 04 2.75 0.500 1.656 0.87 0.125 0.350 1.437 0.811 0.657 E 06 2.75 0.750 1.781 0.87 0.125 0.520 1.437 0.811 0.657 E 08 2.75 1.000 1.781 0.87 0.125 0.720 1.437 0.811 0.657 E 12 2.75
48、1.500 1.781 0.87 0.125 1.080 1.437 0.811 0.657 F 04 3.50 0.500 2.000 1.25 0.125 0.350 2.124 0.915 1.032 F 06 3.50 0.750 2.125 1.25 0.125 0.520 2.124 0.915 1.032 F 08 3.50 1.000 2.125 1.25 0.125 0.720 2.124 0.915 1.032 F 12 3.50 1.500 2.250 1.37 0.125 1.080 2.124 0.915 1.032 F 16 3.50 2.000 2.250 1.37 0.125 1.410 2.124 0.915 1.032 FIGURE 3. Straight flange tube Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted wit
