PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-18148/3Connector,receptacle,electrical

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5935-01-177-2321 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-01-177-2321 — this item is cataloged by the U.S. Government under National Stock Number 5935-01-177-2321. Primary manufacturer part number: MIL-PRF-18148/3.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Environmental Protection: HEAT RESISTANT AND HUMIDITY RESISTANT AND SALT WATER RESISTANT AND SHOCK RESISTANT
  • Thread Class: 2A A
  • Distance Between Centerlines of Mounting Facilities Parallel to Body Width: 0.782 INCHES NOMINAL IN
  • Mating End Quantity: 1
  • Polarization Method: CONTACT
  • Nominal Thread Length: 0.500 INCHES IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.438 INCHES NOMINAL IN
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-177-2321, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-01-177-2321
Primary Part NumberMIL-PRF-18148/3
Item NameConnector,receptacle,electrical
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 ProtectionHEAT RESISTANT AND HUMIDITY RESISTANT AND SALT WATER RESISTANT AND SHOCK RESISTANT
Thread Class2A A
Distance Between Centerlines of Mounting Facilities Parallel to Body Width0.782 INCHES NOMINAL IN
Mating End Quantity1
Polarization MethodCONTACT
Nominal Thread Length0.500 INCHES IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.438 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch18
Included Contact TypeROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity2 SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodSCREW
Body StyleSTRAIGHT SHAPE
Threaded Device TypeCOUPLING FACILITY
Specification/standard Data96906-MS3509 GOVERNMENT STANDARD
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Test Data Document81349-MIL-E-81099 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.).
Unthreaded Mounting Hole Diameter0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
Contact Position Arrangement Style2 SINGLE MATING END
Terminal TypeSCREW SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationFRONT SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.312 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5935-01-052-7267 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-130-9099 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-209-0161 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-237-2473 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-237-3475 INTERCHANGEABLE
Connector,receptacle,electrical
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-18148/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS3509-20 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-E-81099 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-01-052-7267INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-130-9099INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-209-0161INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-237-2473INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-237-3475INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL

Frequently Asked Questions

What is NSN 5935-01-177-2321?

NSN 5935-01-177-2321 is a Connector,receptacle,electrical, 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 5935-01-177-2321?

NSN 5935-01-177-2321 has 3 cross-referenced part numbers: MIL-PRF-18148/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS3509-20 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-E-81099 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5935-01-177-2321?

There are 5 known substitutes for 5935-01-177-2321: 5935-01-052-7267, 5935-01-130-9099, 5935-01-209-0161 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-18148/3?

Key specifications for MIL-PRF-18148/3: Environmental Protection: HEAT RESISTANT AND HUMIDITY RESISTANT AND SALT WATER RESISTANT AND SHOCK RESISTANT; Overall Width: 1.624 INCHES NOMINAL IN; Thread Class: 2A A; Distance Between Centerlines of Mounting Facilities Parallel to Body Width: 0.782 INCHES NOMINAL IN. 28 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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