PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-A-27434/5Adapter,connector

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5935-00-259-0099 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-259-0099 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-259-0099. Primary manufacturer part number: MIL-A-27434/5.
Features
  • Adapter,connector — FSC 5935
  • Environmental Protection: CORROSION RESISTANT
  • Connector Locking Method: INTERNALLY THREADED COUPLING NUT AND BAYONET PIN
  • Included Contact Type: COAXIAL SOCKET SECOND MATING END SINGLE CONTACT GROUPING
  • Precious Material and Weight: 0.010 SILVER GRAINS, TROY
  • Included Contact Quantity: 1 SECOND MATING END SINGLE CONTACT GROUPING
  • Contact Removability: NONREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING
  • Specification/standard Data: 81349-MIL-A-27434/5 GOVERNMENT SPECIFICATION
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Adapter,connector, cataloged under National Stock Number 5935-00-259-0099, is classified within Federal Supply Class 5935 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-259-0099
Primary Part NumberMIL-A-27434/5
Item NameAdapter,connector
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Environmental ProtectionCORROSION RESISTANT
Connector Locking MethodINTERNALLY THREADED COUPLING NUT AND BAYONET PIN
Included Contact TypeCOAXIAL SOCKET SECOND MATING END SINGLE CONTACT GROUPING
Precious Material and Weight0.010 SILVER GRAINS, TROY
Included Contact Quantity1 SECOND MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING
Specification/standard Data81349-MIL-A-27434/5 GOVERNMENT SPECIFICATION
Included Contact Quantity1 FIRST MATING END SINGLE CONTACT GROUPING
Contact Surface TreatmentSILVER ALL MATING ENDS SINGLE CONTACT GROUPING
Shell Surface TreatmentSILVER
Included Contact TypeCOAXIAL PIN FIRST MATING END SINGLE CONTACT GROUPING
Contact MaterialCOPPER ALLOY ALL MATING ENDS SINGLE CONTACT GROUPING
Shell MaterialCOPPER ALLOY
Precious Material and LocationCONTACT SURFACES SILVER
Test Data Document81349-MIL-A-27434 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.).
Shell TypeSOLID
Contact Surface Treatment Document and ClassificationQQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE ALL MATING ENDS SINGLE CONTACT GROUPING
Nominal Thread Size0.625 INCHES IN
Contact Position Arrangement StyleUHF SECOND MATING END
Thread Quantity Per Inch24
Contact Position Arrangement StyleC FIRST MATING END
Insert MaterialPLASTIC POLYTETRAFLUOROETHYLENE ALL MATING ENDS
Precious MaterialSILVER
Thread Series DesignatorUNEF
Shell Surface Treatment Document and ClassificationQQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE
Thread DirectionRIGHT-HAND
Overall Diameter0.812 INCHES NOMINAL IN
Thread Class2B
Body StyleSTRAIGHT SHAPE, EXTERNAL/INTERNAL COUPLING
Mating End Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-134-5646 INTERCHANGEABLE
Adapter,connector
5935-00-201-2408 INTERCHANGEABLE
Adapter,connector
5935-00-201-2755CV799-5 INTERCHANGEABLE
Adapter,connector
Winchester Interconnect Corporation
5935-00-201-8107 INTERCHANGEABLE
Adapter,connector
5935-00-201-8420PE9109 INTERCHANGEABLE
Adapter,connector
Infinite Electronics International, Inc.
5935-00-410-1399 INTERCHANGEABLE
Adapter,connector
5935-00-481-5602 INTERCHANGEABLE
Adapter,connector
5935-00-502-4909 INTERCHANGEABLE
Adapter,connector
5935-00-539-0851 INTERCHANGEABLE
Adapter,connector
5935-00-636-8411UG-566A/U INTERCHANGEABLE
Adapter,connector
Joint Electronics Type Designation System
Cross-Reference Index
Part NumberManufacturer
MIL-A-27434/5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS35282 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
UG637/U Joint Electronics Type Designation System (USA)
MIL-A-27434 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-00-134-5646INTERCHANGEABLE
ADAPTER,CONNECTOR
5935-00-201-2408INTERCHANGEABLE
ADAPTER,CONNECTOR
5935-00-201-2755INTERCHANGEABLE
ADAPTER,CONNECTOR
CV799-5
5935-00-201-8107INTERCHANGEABLE
ADAPTER,CONNECTOR
5935-00-201-8420INTERCHANGEABLE
ADAPTER,CONNECTOR
PE9109
5935-00-410-1399INTERCHANGEABLE
ADAPTER,CONNECTOR
5935-00-481-5602INTERCHANGEABLE
ADAPTER,CONNECTOR
5935-00-502-4909INTERCHANGEABLE
ADAPTER,CONNECTOR
5935-00-539-0851INTERCHANGEABLE
ADAPTER,CONNECTOR
5935-00-636-8411INTERCHANGEABLE
ADAPTER,CONNECTOR
UG-566A/U
5935-00-681-5013INTERCHANGEABLE
ADAPTER,CONNECTOR
5935-00-765-5481INTERCHANGEABLE
ADAPTER,CONNECTOR
UG-1863/U

Frequently Asked Questions

What is NSN 5935-00-259-0099?

NSN 5935-00-259-0099 is a Adapter,connector, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-259-0099?

NSN 5935-00-259-0099 has 4 cross-referenced part numbers: MIL-A-27434/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS35282 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), UG637/U (Joint Electronics Type Designation System), MIL-A-27434 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5935-00-259-0099?

There are 12 known substitutes for 5935-00-259-0099: 5935-00-134-5646, 5935-00-201-2408, 5935-00-201-2755 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-A-27434/5?

Key specifications for MIL-A-27434/5: Environmental Protection: CORROSION RESISTANT; Connector Locking Method: INTERNALLY THREADED COUPLING NUT AND BAYONET PIN; Included Contact Type: COAXIAL SOCKET SECOND MATING END SINGLE CONTACT GROUPING; Precious Material and Weight: 0.010 SILVER GRAINS, TROY. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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