1、MIL-DTL-83798/2C INCH-POUND18 August 2008 SUPERSEDING MIL-DTL-83798/2B 18 September 2000 DETAIL SPECIFICATION SHEET FITTINGS, RUBBER HOSE, LIGHTWEIGHT, MEDIUM PRESSURE, FLARED, SWIVEL NUT, 45 DEGREES This specification is approved for use by all Departments and Agencies of the Department of Defense.
2、 The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-83798. FIGURE 1. Fitting, flared, swivel nut, 45 degrees. AMSC N/A FSC 4730 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-837
3、98/2C 2 A (max) B C Weight (max) inch mm inch mm Dash Number Thread “T” inch mm 0.03 0.76 0.035 0.889 lbs. grams -3 .375-24UNJF-3B 1.74 44.20 .34 8.64 .340 8.636 0.056 25.40 -4 .438-20UNJF-3B 1.72 43.69 .37 9.40 .352 8.941 0.074 33.57 -5 .500-20UNJF-3B 1.84 46.74 .38 9.65 .415 10.541 0.093 42.18 -6
4、.563-18UNJF-3B 2.00 50.80 .38 9.65 .446 11.328 0.054 24.49 -8 .750-16UNJF-3B 2.20 55.88 .44 11.18 .457 11.608 0.085 38.56 -10 .875-14UNJF-3B 2.42 61.47 .50 12.70 .537 13.640 0.121 54.88 -12 1.063-12UNJ-3B 2.79 70.87 .57 14.48 .623 15.824 0.190 86.18 -16 1.313-12UNJ-3B 3.06 77.72 .63 16.00 .659 16.73
5、9 0.295 133.81 -20 1.625-12UNJ-3B 3.45 87.63 .64 16.26 .768 19.507 0.526 238.59 -24 1.875-12UNJ-3B 3.65 92.71 .77 19.56 .867 22.022 0.684 310.26 -32 2.500-12UNJ-3B 4.26 108.20 .92 23.37 1.065 27.061 1.152 522.54 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for information only
6、. 3. If required, lockwire holes to be drilled in accordance with SAE-AS1043. Use the letter “L” for ordering fittings with lockwire hole. FIGURE 1. Fitting, flared, swivel nut, 45 degrees - Continued. REQUIREMENTS: Design and construction: Dimensions and configuration: See figure 1. Swivel nut and
7、seat of nipple shall mate with SAE-AS4395. Materials and finishes. Materials and finishes for the socket, nipple, nut, and wire (swivel nut to nipple) shall be in accordance MIL-DTL-83798. Part or Identifying Number (PIN) example: M 83798 /2 -10 L -HLockwire hole (leave blank if no lockwire hole) Si
8、ze (see figure 1)Specification sheet number M prefix Material and finish code (see table I) Specification number M83798/2-10L-H indicates: 7/8 inch fitting, flared, swivel nut, 45 degrees, with lockwire hole, and zinc phosphate finish on nipple and nut. Provided by IHSNot for ResaleNo reproduction o
9、r networking permitted without license from IHS-,-,-MIL-DTL-83798/2C 3 Nut and nipple material and finish code are specified in table I. TABLE I. Nut and nipple material and finish code. 1/ PIN code dash letter Material Plating Finish Steel (sizes -3, -4, and -5) Cadmium plating in accordance with S
10、AE-AMS-C-81562, type II, class 3 or SAE-AMS-QQ-P-416, type II, class 2. Blank Aluminum (sizes -6 and above) Anodize in accordance with MIL-A-8625, type II. -A Steel (sizes -3, -4, and -5) Aluminum-nickel in accordance with ASTM F1136, grade 3, NC. -B Aluminum (sizes -6 and above) Anodize in accordan
11、ce with MIL-A-8625, type II with Naval Air Systems Command (NAVAIR) trivalent chromium pretreatment (TCP) in accordance with MIL-DTL-81706, type 2, class A. -CN Steel (sizes -3, -4, and -5) Cadmium plating in accordance with SAE-AMS-C-81562, type II, class 3 or SAE-AMS-QQ-P-416, type II, class 2 wit
12、h NAVAIR TCP in accordance with MIL-DTL-81706, type 2, class A. -H Steel (sizes -3, -4, and -5) Zinc phosphate finish in accordance MIL-DTL-16232 type Z, class1. 2/ -J Steel (sizes -3, -4, and -5) Zinc plating in accordance with ASTM B633; type II or III, Fe/Zn 5, or ASTM B695, type II, class 5. N S
13、teel (sizes -3, -4, and -5) NAVAIR TCP in accordance with MIL-DTL-81706, type 2, class A. -R Steel (sizes -3, -4, and -5) Zinc plating in accordance with ASTM B633; type VI, Fe/Zn 5. -S Corrosion resistant steel (sizes -3, -4, and -5) No additional finish. Passivation in accordance with SAE-AMS2700,
14、 method 2. -T Titanium (all sizes) Annealed -V Steel (sizes -3, -4, and -5) Zinc-nickel in accordance with SAE-AMS2417, type 1. -Z Steel (sizes -3, -4, and -5) Zinc any type above PIN code F, G, H, J, K, R, V -ZN Steel (sizes -3, -4, and -5) Zinc any type above PIN code F, G, H, J, K, R, V with triv
15、alent chromium pretreatment (TCP) in accordance with MIL-DTL-81706, type 2, class A. 1/ Shall be capable of withstanding minimum of 96 hours salt spray. 2/ Hexavalent chromium free. Guidance on use of alternative parts with less hazardous or nonhazardous materials. This specification provides for a
16、number of alternative plating materials via the PIN. Users should select the PIN with the least hazardous material that meets the form, fit and function requirements of their application. Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect t
17、o the previous issue due to the extent of the changes. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-83798/2C 4 Referenced documents. In addition to MIL-DTL-83798, this document references the following: MIL-A-8625 MIL-DTL-16232 MIL-DTL-817
18、06 ASTM B633 ASTM B695 ASTM F1136 SAE-AMS-C-81562 SAE-AMS-QQ-P-416 SAE-AMS2700 SAE-AMS2417 SAE-AS1043 SAE-AS4395 CONCLUDING MATERIAL Custodians: Preparing activity: Army - AV DLA - CC Navy - AS Air Force - 99 (Project 4730-2007-119) DLA - CC Review activities: Army - AT Navy - SA Air Force - 71, 85
19、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-,-,-
