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5935EPStudies



Engineering Practices Studies for Connectors FSC: 5935





Points of Contact:

Circular Connector Group Phone: 614-692-YYYY Email: CircularConnector@dla.mil

Document Downloads

Engineering Practice Study MIL-DTL-32139/15 and /16 Dimension Change.
Dated: 30 May 2023
File name: epsdtl32139ss15_16.pdf, File Size: 377 kb

Engineering practice study on MIL-PRF-39012/55. Connectors, Plugs, Electrical, Coaxial, Radio Frequency (Series SMA (Cabled) - Plug, Pin Contact, Class 2).
Dated: 17 January 2014
File name: epsprf39012ss55.pdf, File Size: 127 kb

Final Report on Proposed Standardization Options for MIL-DTL-38999/60 and MIL-DTL-38999/61
Dated: 30 August 2018
File name: epsl38999ss60_61final.pdf, File Size: 65 kb

Final Draft of TNC-EP-Study
Dated: 31 January 2011
File name: TNCEPStudy.pdf, File Size: 54 kb

Engineering Practices Study (EPS), Review of auditing requirements to monitor Category C distributors, and the proposed elimination of a MIL-STD-790 requirement which allows connector manufacturers to utilize Category C distributors to perform value added assembly of electrical connectors.
Dated: 10 January 2011
File name: EPS_5935_Cat_C_dist.pdf, File Size: 220 kb

Findings and Recommendations of RF One-Step PNC/TNC Connector EP Study
Dated: 04 March 2011
File name: 1-StepTNC EPstudy.pdf, File Size: 59 kb

MS35118 was being reviewed to determine if it should be maintained or canceled.
Dated: 20 October 2011
File name: ms35118EPStudy.pdf, File Size: 117 kb

MS75093 was being reviewed to determine if it should be maintained or canceled.
Dated: 20 October 2011
File name: ms75093EPStudy.pdf, File Size: 117 kb

Final Report; Engineering Practices Study (EPS), Specification Replacement for the Cancelled SAE-AMS-C-26074, Electroless Nickel
Dated: 12 February 2013
File name: EPStudy_ElectoNickel.pdf, File Size: 50 kb

The purpose of this EPS is to determine if thermoplastic material(s) with 15% glass filled polyester is acceptable material for printed circuit board connectors covered under MIL-DTL-24308 type connectors.
Dated: 10 September 2014
File name: eps24308pcbconnectors.pdf, File Size: 131 kb

Engineering Practice Study MIL-DTL-32139/1 through /8 Dimensional Tolerance Change Request for Contact Depth and Contact True Position
Dated: 22 June 2015
File name: EPSdtl32139DimChange.pdf, File Size: 116 kb

SMPS Interface Proposed Updates
Dated: 15 July 2016
File name: epsprf39012smps.pdf, File Size: 371 kb

MIL-DTL-55116 NSA-ON Series Connector Interfaces Were Proposed for Standardization.
Dated: 08 September 2017
File name: dtl55116epstudy.pdf, File Size: 98 kb

Final Report on Proposed Standardization Options for the MIL-DTL-83538 Document Family
Dated: 30 August 2018
File name: epsdtl83538final.pdf, File Size: 63 kb

EP Study to determine if the "F" measurement of Figure 313-1, Interface, Series TNC, pin contact, should be removed or modified to a minimum of "0.00" from "0.06".
Dated: 25 October 2018
File name: epsstd348.pdf, File Size: 125 kb

Engineering Practice Study (EPS), Request for Comments on Proposal for New Military Specification Documents for Miniature, Lightweight, Circular Connectors
Dated: 18 January 2018
File name: epsnewcircspec.pdf, File Size: 2734 kb

Ep Study to Determine Final VSWR Test Method to Incorporate Vector Network Analyzers (VNAs) Into Updated Test Requirements.
Dated: 12 January 2018
File name: epsprf39012.pdf, File Size: 135 kb

EP Study to determine if J-STD-001 requirements for Gold Removal on contacts should be included to MIL-PRF-39012 as an alternative plating option.
Dated: 09 February 2018
File name: epsprf39012Gold.pdf, File Size: 231 kb

Engineering Practice Study (Eps), Request for Comments on Proposal for New Military Specification Documents for Miniature, Lightweight, Circular Connectors
Dated: 10 July 2018
File name: eps5935_xxxxx.pdf, File Size: 1037 kb

The purpose of this EPS is to examine updating W-C-596 QPL test requirements to FAT requirements.
Dated: 12 March 2018
File name: epsprf596-qpl.pdf, File Size: 113 kb

Survey of Interested Parties; MIL-DTL-38999/60 and MIL-DTL-38999/61: Standardization options include update/revise slash sheets, convert from Qualified Product List (QPL) to First Article Test (FAT) specification sheets, or cancel both documents.
Dated: 14 June 2018
File name: ideps5935_107and108.pdf, File Size: 65 kb

The purpose of this study is to determine if the cavity-to-cavity leakage test found in MIL-DTL-38999 should be retained in the specifications, removed from the specifications or replaced by another test in the relevant specifications.
Dated: 26 October 2018
File name: epsstddtl38999.pdf, File Size: 147 kb

Engineering Practices Study (Eps), Request for Comments on Proposed Standardization Options for the MIL-DTL-83538
Dated: 31 May 2018
File name: iddtl83538epstudy.pdf, File Size: 64 kb

The purpose of this study is to determine if the cavity-to-cavity leakage test found in MIL-DTL-83723 should be retained in the specifications, removed from the specifications or replaced by another test in the relevant specifications.
Dated: 26 October 2018
File name: epsstddtl83723.pdf, File Size: 146 kb

The purpose of this study is to determine if the cavity-to-cavity leakage test found in MIL-DTL-38999 and MIL-DTL-83723 should be retained in the specification, removed from the specification or replaced by another test in the relevant specification.
Dated: 23 January 2019
File name: epsdtl38999_83723.pdf, File Size: 193 kb

5935 Connectors, Electrical New Design and Specifications for Rectangular Connectors
Dated: 03 March 2020
File name: eps5935_newdesign.pdf, File Size: 289 kb

Composite Bending Moment Torque Requirements
Dated: 13 March 2020
File name: epsdtl38999.pdf, File Size: 283 kb

Cavity-to-Cavity (C2C) Leakage Requirements
Dated: 04 November 2022
File name: eps5935_38999.pdf, File Size: 251 kb

The purpose of this EPS is to determine the LC interface to be added to MIL-STD-348
Dated: 16 June 2022
File name: epstudystd348.pdf, File Size: 244 kb

Engineering Practice Study (Eps) for MIL-DTL-MIL-DTL-32139/13/14: Connectors, Electrical, Rectangular, Nanominiature, Dual Row, Plug, Receptacle, Polarized Shell, Pin, Socket Contacts, Horizontal PCB Through-Hole Type
Dated: 23 May 2022
File name: epsdtl32139ss13ss14.pdf, File Size: 289 kb

Connectors, Electrical, Rectangular, Nanominiature, Dual Row, Plug, Receptacle, Polarized Shell, Pin, Sockets Contacts, Vertical PCB Surface Mount Shell
Dated: 05 April 2023
File name: epsdtl32139.pdf, File Size: 388 kb

The Purpose of this EP Study is to determine if there is sufficient interest in Type V (N) dummy load connectors with a bead chain to merit incorporating them to MIL-DTL-39030/6 as new part numbers.
Dated: 16 September 2025
File name: epsdtl39030ss6.pdf, File Size: 52 kb

The purpose of this Engineering Practice (EP) Study is to obtain input/feedback from manufacturers, OEMs, and military services to determine if there is a need for minimum tail lead dimensions or minimum tail lead cross-sectional area for MIL-DTL-32139 slash sheets 5-8, 11-14, and 15-18.
Dated: 04 March 2026
File name: epsdtl32139_26-002.pdf, File Size: 104 kb

The purpose of this EPS is to determine voltage standing wave ratio (VSWR) requirements in MIL-PRF-39012 for using a vector network analyzer (VNA).
Dated: 14 October 2026
File name: idepsprf39012_27-001.pdf, File Size: 463 kb


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