| BODY STYLE | STRAIGHT SHAPE, EXTERNAL COUPLING |
| CONNECTOR LOCKING METHOD | EXTERNALLY THREADED SHELL |
| CONTACT MAXIMUM AC VOLTAGE RATING IN VOLTS | 500.0 SINGLE MATING END ALL CONTACT GROUPINGS |
| CONTACT MAXIMUM CURRENT RATING IN AMPS | 22.0 SINGLE MATING END 2ND CONTACT GROUPING |
| CONTACT MAXIMUM CURRENT RATING IN AMPS | 41.0 SINGLE MATING END 1ST CONTACT GROUPING |
| CONTACT MAXIMUM DC VOLTAGE RATING IN VOLTS | 700.0 SINGLE MATING END ALL CONTACT GROUPINGS |
| CONTACT MATERIAL | COPPER ALLOY SINGLE MATING END ALL CONTACT GROUPINGS |
| CONTACT POSITION ARRANGEMENT STYLE | 20-16 SINGLE MATING END |
| CONTACT REMOVABILITY | REMOVABLE SINGLE MATING END ALL CONTACT GROUPINGS |
| CONTACT SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-G-45204,TY 2,GRADE C,CL 1 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CL 2 FED SPEC 2ND TREATMENT RESPONSE SINGLE MATING END 2ND CONTACT GROUPING |
| CONTACT SURFACE TREATMENT | GOLD AND NICKEL SINGLE MATING END 2ND CONTACT GROUPING |
| CONTACT SURFACE TREATMENT | SILVER SINGLE MATING END 1ST CONTACT GROUPING |
| CONTACT SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END 1ST CONTACT GROUPING |
| ENVIRONMENTAL PROTECTION | MOISTURE PROOF AND SALT WATER RESISTANT AND VIBRATION PROOF AND SHOCK RESISTANT AND COLD RESISTANT AND HEAT RESISTANT AND EXPLOSION PROOF |
| FEATURES PROVIDED | COLOR BAND ENGAGEMENT INDICATOR |
| INCLUDED CONTACT QUANTITY | 2 SINGLE MATING END 1ST CONTACT GROUPING |
| INCLUDED CONTACT QUANTITY | 7 SINGLE MATING END 2ND CONTACT GROUPING |
| INCLUDED CONTACT TYPE | ROUND SOCKET SINGLE MATING END ALL CONTACT GROUPINGS |
| INSERT MATERIAL | RUBBER SILICONE CLASS Q SINGLE MATING END |
| INSERT POSITION IN DEG | 0.0 |
| OVERALL DIAMETER | 1.443 INCHES MINIMUM AND 1.505 INCHES MAXIMUM |
| OVERALL LENGTH | 2.125 INCHES MAXIMUM |
| MATING END QUANTITY | 1 |
| NOMINAL THREAD LENGTH | 0.290 INCHES AND 0.625 INCHES |
| NOMINAL THREAD SIZE | 1.188 INCHES AND 1.250 INCHES |
| OPERATING TEMP RATING | -55.0 CELSIUS MINIMUM AND 200.0 CELSIUS MAXIMUM |
| POLARIZATION METHOD | KEY, MULTIPLE KEY GROOVE |
| PRECIOUS MATERIAL AND LOCATION | CONTACT SURFACES GOLD AND CONTACT SURFACES SILVER |
| PRECIOUS MATERIAL | GOLD AND SILVER |
| PRECIOUS MATERIAL AND WEIGHT | 0.007 GOLD GRAINS, TROY AND 0.010 SILVER GRAINS, TROY |
| SHELL MATERIAL | ALUMINUM ALLOY |
| SHELL SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE |
| SHELL SURFACE TREATMENT | CADMIUM AND CHROMATE |
| SHELL TYPE | SOLID |
| SPECIAL FEATURES | IN ORDER TO COMPLETE THE CONNECTOR ASSEMBLY,THE USER MUST OBTAIN/PROVIDE THE BACKSHELL. STANDARD VERSIONS MAY BE ORDERED AS NSN 5935-01-183-6491,P/N M85049/52-1-20W FOR THE STRAIGHT STYLE,OR NSN 5935-01-186-5610,P/N M85049/51-1-20W FOR THE RIGHT ANGLE STYLE |
| SPECIFICATION/STANDARD DATA | 81343-MS3451W20-16S PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| TERMINAL LOCATION | BACK SINGLE MATING END ALL CONTACT GROUPINGS |
| TERMINAL TYPE | CRIMP SINGLE MATING END ALL CONTACT GROUPINGS |
| TEST DATA DOCUMENT | 81349-MIL-C-5015 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNEF |
| THREADED DEVICE TYPE | BACK SHELL AND COUPLING FACILITY |