1、MIL-DTL-83798/3C INCH-POUND18 August 2008 SUPERSEDING MIL-DTL-83798/3B 18 September 2000 DETAIL SPECIFICATION SHEET FITTINGS, RUBBER HOSE, LIGHTWEIGHT, MEDIUM PRESSURE, FLARED, SWIVEL NUT, 90 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, 90 degrees. AMSC N/A FSC 4730 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-837
3、98/3C 2 A (max) B C Weight (max) inch mm inch mm Dash Number Thread “T” inch mm 0.03 0.76 0.035 0.883 lbs. grams. -3 .375-24UNJF-3B 1.58 40.13 .34 8.64 .654 16.612 0.057 25.85 -4 .438-20UNJF-3B 1.59 40.39 .37 9.40 .718 18.237 0.077 34.93 -5 .500-20UNJF-3B 1.68 42.67 .38 9.65 .844 21.438 0.098 44.45
4、-6 .563-18UNJF-3B 1.85 46.99 .38 9.65 .922 23.419 0.058 26.31 -8 .750-16UNJF-3B 2.01 51.05 .44 11.18 .938 23.825 0.089 40.37 -10 .875-14UNJF-3B 2.25 57.15 .50 12.70 1.126 28.600 0.126 57.15 -12 1.063-12UNJ-3B 2.66 67.56 .57 14.48 1.376 37.950 0.195 88.45 -16 1.313-12UNJ-3B 2.97 75.44 .63 16.00 1.500
5、 38.100 0.313 141.97 -20 1.625-12UNJ-3B 3.38 85.85 .64 16.26 1.782 45.263 0.536 243.13 -24 1.875-12UNJ-3B 3.62 91.95 .77 19.56 2.032 51.613 0.697 316.15 -32 2.500-12UNJ-3B 4.22 107.19 .92 23.37 2.532 64.313 1.216 551.57 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for informat
6、ion only. 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, 90 degrees - Continued. REQUIREMENTS: Design and construction: Dimensions and configuration: See figure 1. Materia
7、ls and finishes. Materials and finishes for the socket, nipple, nut, and wire (swivel nut to nipple) shall be in accordance with MIL-DTL-83798. Swivel nut and seat of nipple shall mate with SAE-AS4395. Part or Identifying Number (PIN) example: M 83798 /3 -10 L -HLockwire hole (leave blank if no lock
8、wire hole) Size (see figure 1)Specification sheet number M prefix Material and finish code (see table I) Specification number Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-83798/3C 3 M83798/3-10L-H indicates: 7/8 fitting, flared, swivel nut
9、, 90 degrees, with lockwire hole, with zinc phosphate finish on nipple and nut. Nut and nipple material and finish code for steel (sizes -3, -4, and -5) 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, an
10、d -5) Cadmium plating in accordance with SAE-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 Aluminu
11、m (sizes -6 and above) Anodize in accordance 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
12、 or SAE-AMS-QQ-P-416, type II, class 2 with 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
13、/Zn 5, or ASTM B695, type II, class 5. N Steel (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. P
14、assivation in accordance with SAE-AMS2700, 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 ab
15、ove PIN code F, G, H, J, K, R, V with trivalent 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 mat
16、erials. This specification provides for a 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 r
17、evision to identify changes with respect to 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-83798/3C 4 Referenced documents. In addition to MIL-DTL-83798, this document references the follo
18、wing: MIL-A-8625 MIL-DTL-16232 MIL-DTL-81706 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 4730-2007-120) DLA - CC Review activitie
19、s: Army - AT Navy - SA Air Force - 71, 85 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-,-,-
