1、 DETAIL SPECIFICATION SHEET CONNECTORS, ACCESSORIES, ELECTRICAL, CIRCULAR, THREADED, HIGH SHOCK, HIGH DENSITY, SHIPBOARD, PROTECTIVE COVER, RECEPTACLE This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product descr
2、ibed herein shall consist of this specification sheet and MIL-DTL-28840. FIGURE 1. Dimensions and configurations. AMSC N/A FSC 5935 MIL-DTL-28840/13F 14 November 2013 SUPERSEDING MIL-DTL-28840/13E 23 October 2009 Inches mm .01 0.25 .025 0.64 .03 0.76 .047 1.19 .057 1.45 .115 2.92 .640 16.26 .650 16.
3、51 .760 19.30 .780 19.81 .88 22.35 5.00 127.00 INCH-POUND Provided by IHSNot for Resale-,-,-MIL-DTL-28840/13F 2 Shell size designator (see note 1) A thread class 2B B max dia D .010 ( .25) E .005 ( .13) F .005 ( .13) A (11) .750-1P-.2L-DS 1.028 (26.11) .890 (22.61) .130 (3.30) .765 (19.43) B (13) .8
4、75-1P-.2L-DS 1.141 (28.98) 1.015 (25.78) .890 (22.61) C (15) 1.062-1P-.2L-DS 1.263 (32.08) 1.203 (30.56) 1.015 (25.78) D (17) 1.125-1P-.2L-DS 1.387 (35.23) 1.265 (32.13) 1.140 (28.96) E (19) 1.312-1P-.2L-DS 1.513 (38.43) 1.453 (36.91) 1.265 (32.13) F (23) 1.500-1P-.2L-DS 1.703 (43.26) 1.640 (41.66)
5、1.453 (36.91) G (25) 1.625-1P-.2L-DS 1.825 (46.35) 1.765 (44.83) .156 (3.96) 1.577 (40.06) H (29) 1.812-1P-.2L-DS 2.143 (54.43) 1.953 (49.61) 1.890 (48.01) J (33) 2.000-1P-.2L-DS 2.329 (59.16) 2.140 (54.36) .193 (4.90) 2.077 (52.76) NOTES: 1. Shell sizes are provided within parentheses for informati
6、on and are not a part of the designator. 2. Dimensions are in inches. 3. Metric equivalents are given for information only. 4. Dimensions apply after plating. FIGURE 1. Dimensions and configurations - Continued. Provided by IHSNot for Resale-,-,-MIL-DTL-28840/13F 3 REQUIREMENTS: Dimensions and confi
7、gurations: See figure 1. Interface dimensions shall conform to MIL-DTL-28840. Chain shall be free to rotate on rivet. Chain material shall be 300 series corrosion resistant steel, passivated in accordance with SAE-AMS2700, type 2. Gasket shall be mechanically or chemically captive to the cover. Gask
8、et material shall be fluorosilicone. Material and finish, protective covers: See table I. TABLE I. Material and finish. Material and finish designator Material Finish W Aluminum alloy in accordance with ASTM B85/B85M, ASTM B26/B26M, ASTM B108/B108M, ASTM B209, ASTM B211 or ASTM B221 Cadmium plate, o
9、live drab over electroless nickel D Corrosion resistant steel in accordance with ASTM A276, ASTM A473, or ASTM A580/A580M, type 316 Cadmium plate, black F Aluminum alloy in accordance with ASTM B85/B85M, ASTM B26/B26M, ASTM B108/B108M, ASTM B209, ASTM B211 or ASTM B221 Pure electro- deposited alumin
10、um, non-reflective L Nickel fluorocarbon polymer, non-reflective S Zinc nickel, non-reflective N Corrosion resistant steel in accordance with ASTM A276, ASTM A473, or ASTM A580/A580M, type 316 Nickel fluorocarbon polymer, non-reflective R Zinc nickel, non-reflective Provided by IHSNot for Resale-,-,
11、-MIL-DTL-28840/13F 4 Marking: The cover shall be identified with the manufacturers name or trademark and the Part or Identifying Number (PIN). PIN example: M28840/ 13 H A W Military designator Specification sheet number Shell size designator Chain attachment designator A Link chain with fastener B L
12、ink chain with ring for jam-nut mounting receptacle C Link chain with ring for cable-connecting receptacle Material and finish designator (See table I) QUALIFICATION: One protective cover of each shell size for which qualification is desired shall have the following tests performed in the sequence s
13、hown: Visual and mechanical. Magnetic permeability. Shell conductivity. Corrosion. Air leakage: Cover shall be mated to suitable connector plug and tested in accordance with test procedure EIA-364-02. The following details shall apply: The air leakage rate shall not be greater than one atmospheric c
14、ubic inch per hour (4.55 X 10-3cubic centimeter per second). Tensile strength: Cover shall be mounted to a suitable fixture to facilitate a 25-pound pull applied at the rate of 5 pounds per second and held for a period of 5 seconds. The load shall be applied to the chain end fastener through the cen
15、ter line axis of the protective cover, and then repeated through a perpendicular axis (90) from the center line axis. Chain or fastener breakage, or loosening of the rivet, shall be considered failures. Shell conductivity. Post visual and mechanical. RESTRICTIONS: Material and finish designators W a
16、nd D are inactive for NAVSEA new design, unless approved by NAVSEA. Provided by IHSNot for Resale-,-,-MIL-DTL-28840/13F 5 Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where changes from the previous issue were made. This was done as a conv
17、enience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue.
18、 Referenced documents. In addition to MIL-DTL-28840, this document references the following: ASTM A276 ASTM A473 ASTM A580/A580M ASTM B26/B26M ASTM B85/B85M ASTM B108/B108M ASTM B209 ASTM B211 ASTM B221 EIA-364-02 SAE-AMS2700 CONCLUDING MATERIAL Custodians: Preparing activity: Army - AT DLA - CC Nav
19、y - EC Air Force - 85 DLA - CC (Project 5935-2013-111) Review activities: Army AV, MI Navy - OS, SH Air Force 99 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 Resale-,-,-
