1、 AN918 Rev 9 19 July 2011 SUPERSEDING AN918 Rev 8 21 March 1979 DETAIL SPECIFICATION SHEET CROSS, PIPE This specification is approved 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
2、sheet and SAE-AS4842. FIGURE 1. Cross dimensions and configurations. AMSC N/A FSC 4730 INCH-POUND Inch mm .047 1.19 Reinstated after 19 July 2011. Inactive for new design. For new design, use SAE-AS4857. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-
3、,-AN918 Rev 9 2 Dash number A Pipe thread ANPT SAE-AS71051 B +.094 (2.39) -0.00 inches (mm) C inches (mm) K Dia. inches (mm) 1 1/8-27 1.281 (32.54) .625 (15.88) .327 (8.31) +.000 -.016 (0.41) 2 1/4-18 1.781 (45.24) .813 (20.65) .423 (10.74) +.000 -.019 (0.48) 3 3/8-18 1.938 (49.23) .938 (23.83) .557
4、 (14.15) +.000 -.028 (0.71) 4 1/2-14 2.469 (62.71) 1.188 (30.18) .688 (17.48) +.000 -.034 (0.86) 6 3/4-14 2.688 (68.28) 1.375 (34.93) .897 (22.78) +.000 -.040 (1.02) 8 1-11 1/2 3.250 (82.55) 1.750 (44.45) 1.128 (28.65) +.000 -.037 (0.94) 10 1/ 1/4-11 1/2 3.375 (85.73) 2.156 (54.76) 1.471 (37.36) +.0
5、00 -.036 (0.91) Dash number P Dia. inches (mm) S Approx inches (mm) W Rad. inches (mm) 1 .578 (14.68) .500 (12.70) .063 (1.60) 2 .781 (19.84 ) .625 (15.88) .094 (2.39) 3 .922 (23.42) .750 (19.05) .094 (2.39) 4 1.156 (29.36) .875 (22.23) .125 (3.18) 6 1.359 (34.52) 1.000 (25.40) .125 (3.18) 8 1.688 (
6、42.88) 1.125 (28.58) .125 (3.18) 10 2.094 (53.19) 1.250 (31.75) .156 (3.96) NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for information only. 3. Unless otherwise specified tolerances are .016 inch (0.41 mm). 4. Break sharp edges .and remove all hanging burrs and slivers 5. Ma
7、chined surfaces shall be finished to 125in Ra, forged surfaces shall be 250in Ra, unless otherwise specified on the figures. Surface finish shall be in accordance with ASME B46.1. 6. For design features purposes, this standard takes precedence over documents referenced herein. 7. Referenced document
8、s shall be of the issue in effect on date of invitation for bid. FIGURE 1. Cross dimensions and configurations - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AN918 Rev 9 3 REQUIREMENTS: Dimensions and configuration shall be in accordanc
9、e with figure 1. Materials and finishes shall be in accordance with SAE-AS4842, see table I for material code. TABLE I. Material and code letters. Code letter Material Blank Copper alloy J Corrosion resistant steel (CRES), type 304 K CRES, type 316 R CRES, type 321 T 1/ Titanium W Aluminum alloy 707
10、5-T73 1/ Not for use in oxygen systems. PIN: The PIN consists of the prefix “AN” the specification sheet number, a dash number for pipe size, and material code letter. Unassigned PINs shall not be used. AN918 -4 W PIN example: AN918-4W indicates a cross, 1/2-14 ANPT internal pipe threads, aluminum a
11、lloy 7075-T73. Marking: Part shall be permanently marked with the AN PIN, and include the manufacturers CAGE, name, or trademark. Supersession data: Due to stress corrosion cracking aluminum alloys 2014 and 2024 “D” designator has been replaced by aluminum alloy 7075 “W” designator. Example: AN918-8
12、D use AN918-8W. Metal cracking due to high temperatures CRES alloy 347 “S” designator has been replaced by CRES alloy 321 “R” designator. Example: AN918-8S use AN918-8R. Table II provides a detailed cross-reference of cancelled AN918 PINs and replacement SAE-AS4858 PINs. Users are cautioned to evalu
13、ate replacements for their particular application. CAUTION: The superseding information is valid as of the date of this specification and may be superseded by subsequent revisions of the superseding document. Size dash number (see figure 1) Specification sheet number AN prefix Material code letter (
14、see table I) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AN918 Rev 9 4 TABLE II. Cross-reference data. AN PIN (inactive) Pipe size Replacement AS PIN (for new design) Replacement AN PIN (inactive) AN918-1 .125 AS4858-01 AN918-1D .125 AS4858W01 AN
15、918-1W AN918-1J .125 AS4858J01 AN918-1K .125 AS4858K01 AN918-1R .125 AS4858R01 AN918-1S .125 AS4858R01 AN918-1R AN918-1T .125 None AN918-1W .125 AS4858W01 AN918-2 .250 AS4858-02 AN918-2D .250 AS4858W02 AN918-2W AN918-2J .250 AS4858J02 AN918-2K .250 AS4858K02 AN918-2R .250 AS4858R02 AN918-2S .250 AS4
16、858R02 AN918-2R AN918-2T .250 None AN918-2W .250 AS4858W02 AN918-3 .375 AS4858-03 AN918-3D .375 AS4858W03 AN918-3W AN918-3J .375 AS4858J03 AN918-3K .375 AS4858K03 AN918-3R .375 AS4858R03 AN918-3S .375 AS4858R03 AN918-3R AN918-3T .375 None AN918-3W .375 AS4858W03 AN918-4 .500 AS4858-04 AN918-4D .500
17、AS4858W04 AN918-4W AN918-4J .500 AS4858J04 AN918-4K .500 AS4858K04 AN918-4R .500 AS4858R04 AN918-4S .500 AS4858R04 AN918-4R AN918-4T .500 None AN918-4W .500 AS4858W04 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AN918 Rev 9 5 TABLE II. Cross-refer
18、ence data - Continued. AN PIN (inactive) Pipe size Replacement AS PIN (for new design) Replacement AN PIN (inactive) AN918-6 .750 AS4858-06 AN918-6D .750 AS4858W06 AN918-6W AN918-6J .750 AS4858J06 AN918-6K .750 AS4858K06 AN918-6R .750 AS4858R06 AN918-6S .750 AS4858R06 AN918-6R AN918-6T .750 None AN9
19、18-6W .750 AS4858W06 AN918-8 1.000 AS4858-08 AN918-8D 1.000 AS4858W08 AN918-8W AN918-8J 1.000 AS4858J08 AN918-8K 1.000 AS4858K08 AN918-8R 1.000 AS4858R08 AN918-8S 1.000 AS4858R08 AN918-8R AN918-8T 1.000 None AN918-8W 1.000 AS4858W08 AN918-10 1.250 AS4858-10 AN918-10D 1.250 AS4858W10 AN918-10W AN918-
20、10J 1.250 AS4858J10 AN918-10K 1.250 AS4858K10 AN918-10R 1.250 AS4858R10 AN918-10S 1.250 AS4858R10 AN918-10R AN918-10T 1.250 None AN918-10W 1.250 AS4858W10 Changes from previous issues. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the
21、extent of the changes. Referenced documents. In addition to SAE-AS4842, this document references the following: ASME B46.1 SAE-AS4857 SAE-AS4858 SAE-AS71051 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AN918 Rev 9 6 CONCLUDING MATERIAL Custodians:
22、 Preparing activity: Army - AV DLA - CC Navy - AS Air Force - 99 (Project 4730-2011-079) DLA - CC Review activities: Navy - MC. SH Air Force - 71 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 https:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
