1、AMSC N/A FSC 4730 MS27390C 1 May 2013 SUPERSEDING MS27390B 24 September 2003 DETAIL SPECIFICATION SHEET ELBOW SUBASSEMBLY, FLARELESS, 90, FORGED, SWIVEL NUT This specification sheet is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the p
2、roduct described herein shall consist of this specification sheet and MIL-DTL-27272. NOTES: 1. Dimension A, see table II, is measured between the hose end of the threaded section of the union and the centerline of the insert. 2. Dimension B, see table II, is measured between the centerline of the ni
3、pple and the free end of the insert at its centerline. 3. If required lockwire holes to be drilled on this side of subassembly in accordance with SAE-AS1043. 4. Any forged design of adapter components to the left of plane A-A is acceptable provided the dimensions A and B and the requirements of this
4、 specification sheet and the procurement specification are met. FIGURE 1. Elbow subassembly illustration. INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS27390C 2 REQUIREMENTS Elbow subassembly illustration, see figure 1. Intended use. T
5、his part is a component of MS27385. Materials. Material and material codes see table I. See applicable specification sheet and MIL-DTL-27272 for material of other components identified in table II for their material requirements. TABLE I. Materials and material codes. Material code Material Blank Co
6、mbination of aluminum alloy and corrosion-resistant steel (CRES) C CRES Finish. Corrosion-resistant steel, do not passivate. Aluminum alloy. Anodize in accordance with MIL-A-8625, type II, dye yellow. TABLE II. Elbow subassembly composition. Size and material code Wire size and material code Union,
7、nipple size and material code Elbow, nipple end size and material code A 1/ .020 B 1/ .020 MS27072 2/ MS27071 2/ MS27394 2/ 3/ -3/-4C 4/ -4C -4C -3/-4C .845 .741 -4C -4C .725 -5C -5C -5C -5C .900 .808 -6C -6C -6C -6C .965 .915 -8C -8C -8C -8C 1.235 1.052 -8 -8D or C 1/ See figure 1. 2/ MS27071, MS27
8、072, and MS27394 shall be dry film lubricated in accordance with table III, dry film is applied in accordance with MS27071, MS27072, or MS27394 as applicable. 3/ Material code “D” aluminum alloy. 4/ Swivel nut and sealing surface of this elbow subassembly shall mate with SAE-AS33514-3 fitting. The r
9、emaining portion of the subassembly shall mate with M27267-4 hose. If required, lockwire holes to be drilled in accordance with SAE-AS1043 and suffix L added to PIN. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS27390C 3 MS27071, MS27072, and MS2
10、7394 parts shall be coated with the same type of dry film lubricant as indicated in the PIN, no mixing of dry film lubricants shall be used on an assembly unless it is the types specified by the “blank” designator. NOTE: Avoid using graphite dry film lubes with aluminum nipples because in a wet envi
11、ronment, graphite becomes corrosive to the aluminum. TABLE III. Dry film designator. Dry film designator SAE class or type designator Dry film characteristics Blank Any SAE class or type below N/A SAE-AS1701 SAE-AS1701 class SAE-AS1701 temperature ranges F (C) 4 4 -65 to +1400F (-54 to 760C) 5 5 -65
12、 to +850F (-54 to 454C) 6 6 -375 to +850F (-226 to 454C) SAE-AS5272 SAE-AS5272 type SAE-AS5272 temperature ranges. F (C) 7 Type I -90 to 400F (-68 to 204C) endurance life of 250 min minimum 8 Type II -90 to 400F (-68 to 204C) endurance life of 450 min minimum 9 Type III Color 1 - Natural product col
13、or -90 to 400F (-68 to 204C) low Volatile organic compound with an endurance life of 450 min minimum 10 Type III Color 2 - Black color -90 to 400F (-68 to 204C) low Volatile organic compound with an endurance life of 450 min minimum Dry film designator MIL classification Dry film characteristics MIL
14、-PRF-46010 1/ - MIL-PRF-46010 temperature ranges. F (C) 11 1 Color 1 natural product color, -90 to 400F (-68 to 204C) solvent resisting 12 2 Color 2 - Black color -90 to 400F (-68 to 204C) solvent resisting 1/ Not for aerospace usage. Provided by IHSNot for ResaleNo reproduction or networking permit
15、ted without license from IHS-,-,-MS27390C 4 PIN: The PIN consists of prefix “MS”, the specification sheet number, dash number for a 90 elbow subassembly size, letter for material, blank or L for lockwire holes, and a blank or number for dry film lubricant. Unassigned PINs shall not be used. MS 27390
16、 - 8 C L PIN examples: MS27390-8C4 indicates a 90 elbow subassembly size 8, CRES with dry film class designator 4. MS27390-8L4 indicates a 90 elbow subassembly size 8, a combination of aluminum and CRES with lockwire holes with dry film class designator “blank”. Identification of product. The PIN an
17、d the manufacturers trademark shall be permanently marked on the part. Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this docu
18、ment, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. Referenced documents shall be of the issue in effect on date of invitations for bid. Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect
19、 to the previous issue, due to the extent of the changes. Referenced documents. In addition to MIL-DTL-27272, this document references the following: MIL-A-8625 MIL-PRF-46010 MS27071 MS27072 MS27385 MS27394 SAE-AS1043 SAE-AS1701 SAE-AS5272 SAE-AS33514 Specification sheet number MS prefix Material co
20、de letter (see table I) Size code number (see table II) Dash Blank or “L” for lockwire holes Dry film lubricant designator (see table III) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS27390C 5 CONCLUDING MATERIAL Custodians: Preparing activity:
21、Army - AV DLA - CC Navy - AS Air Force - 99 (Project 4730-2013-033) DLA - CC Review activities: Army - AT, MI Navy - MC, SA, 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.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
