PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

901-256-11Connector,receptacle,electrical

Amphenol Corporation Div Amphenol Rf · NSN 5935-00-434-2956 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-434-2956 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-434-2956. Primary manufacturer part number: 901-256-11.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Threaded Device Type: COUPLING FACILITY AND MOUNTING BUSHING
  • Mating End Quantity: 1
  • Connector Cable Strain Relief Method: CRIMP TYPE
  • Test Data Document: 81349-MIL-C-39012 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.).
  • Specification/standard Data: 81349-MIL-C-39012/59 GOVERNMENT SPECIFICATION
  • Precious Material: GOLD
  • Thread Series Designator: UNS
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-434-2956, 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 Amphenol Corporation Div Amphenol Rf. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN5935-00-434-2956
Primary Part Number901-256-11
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerAmphenol Corporation Div Amphenol Rf
StatusACTIVE
Threaded Device TypeCOUPLING FACILITY AND MOUNTING BUSHING
Mating End Quantity1
Connector Cable Strain Relief MethodCRIMP TYPE
Test Data Document81349-MIL-C-39012 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.).
Specification/standard Data81349-MIL-C-39012/59 GOVERNMENT SPECIFICATION
Precious MaterialGOLD
Thread Series DesignatorUNS
Shell TypeSOLID
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Environmental ProtectionMOISTURE RESISTANT AND VIBRATION RESISTANT
Thread Class2A A
Contact Surface Treatment Document and ClassificationMIL-G-45204,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Bushing Accommodation Hole ShapeROUND W/FLAT
Connector Locking MethodEXTERNALLY THREADED SHELL
Overall Diameter0.505 INCHES MAXIMUM IN
Contact Maximum Frequency Rating124000.0 MEGAHERTZ SINGLE MATING END SINGLE CONTACT GROUPING
Thread Quantity Per Inch36
Nominal Thread Size0.250 INCHES IN
Precious Material and LocationCONTACT SURFACE GOLD
Precious Material and Weight0.005 GOLD GRAINS, TROY
Mounting Facility Thickness0.055 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-325-4524 INTERCHANGEABLE
Connector,receptacle,electrical
5935-00-532-0385 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-011-7667 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-058-7662 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-114-1305 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-121-2285 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-132-1576 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-139-0116 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-162-8604 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-176-2020 INTERCHANGEABLE
Connector,receptacle,electrical
Cross-Reference Index
Part NumberManufacturer
901-256-11 Amphenol Corporation Div Amphenol Rf (USA)
M39012/59-4007 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILC39012-59 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-39012/59 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-00-325-4524INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-00-532-0385INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-011-7667INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-058-7662INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-114-1305INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-121-2285INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-132-1576INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-139-0116INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-162-8604INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-176-2020INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-219-6511INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-222-3669INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL

Frequently Asked Questions

What is NSN 5935-00-434-2956?

NSN 5935-00-434-2956 is a Connector,receptacle,electrical, manufactured by Amphenol Corporation Div Amphenol Rf, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-434-2956?

NSN 5935-00-434-2956 has 4 cross-referenced part numbers: 901-256-11 (Amphenol Corporation Div Amphenol Rf), M39012/59-4007 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILC39012-59 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-39012/59 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5935-00-434-2956?

There are 12 known substitutes for 5935-00-434-2956: 5935-00-325-4524, 5935-00-532-0385, 5935-01-011-7667 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 901-256-11?

Key specifications for 901-256-11: Threaded Device Type: COUPLING FACILITY AND MOUNTING BUSHING; Mating End Quantity: 1; Connector Cable Strain Relief Method: CRIMP TYPE; Test Data Document: 81349-MIL-C-39012 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.).. 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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