PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M15370/3-012Coupler,directional

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5985-01-081-3958 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-081-3958 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-081-3958. Primary manufacturer part number: M15370/3-012.
Features
  • Coupler,directional — FSC 5985
  • Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING
  • Radio Frequency Rating: 950.0 MEGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM
  • Identifying Number: TERMINAL FITTING MIL-C-39012
  • Unit Type: COAXIAL LINE
  • Terminal Fitting Controlling Agency: MILITARY SPECIFICATION
  • Test Data Document: 81349-MIL-C-15370/3 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.).
  • Design Type: BIDIRECTIONAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,directional, cataloged under National Stock Number 5985-01-081-3958, is classified within Federal Supply Class 5985 (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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN5985-01-081-3958
Primary Part NumberM15370/3-012
Item NameCoupler,directional
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Usage DesignMAIN LINE AND SECONDARY LINE TERMINAL FITTING
Radio Frequency Rating950.0 MEGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM
Identifying NumberTERMINAL FITTING MIL-C-39012
Unit TypeCOAXIAL LINE
Terminal Fitting Controlling AgencyMILITARY SPECIFICATION
Test Data Document81349-MIL-C-15370/3 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.).
Design TypeBIDIRECTIONAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-409-1318300230 INTERCHANGEABLE
Electronic Components Assembly
Dranetz Technologies Inc
5985-00-881-1553128C845H03 INTERCHANGEABLE
Coupler,directional
Northrop Grumman Support Services Corp
5985-01-034-6821 INTERCHANGEABLE
Coupler,directional
5985-01-036-1241 INTERCHANGEABLE
Coupler,directional
5985-01-042-2500 INTERCHANGEABLE
Coupler,directional
5985-01-065-4429 INTERCHANGEABLE
Coupler,directional
5331-01-085-4532300230 INTERCHANGEABLE
O-Ring
Ships Machinery International, Inc.
5985-01-096-5284 INTERCHANGEABLE
Coupler,directional
5985-01-128-6982 INTERCHANGEABLE
Coupler,directional
5985-01-142-8187 INTERCHANGEABLE
Coupler,directional
Cross-Reference Index
Part NumberManufacturer
M15370/3-012 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3002-30 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
MIL-C-15370/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-15370/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CU-1530/U Joint Electronics Type Designation System (USA)
Related Parts
5998-00-409-1318INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
300230
5985-00-881-1553INTERCHANGEABLE
COUPLER,DIRECTIONAL
128C845H03
5985-01-034-6821INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-036-1241INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-042-2500INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-065-4429INTERCHANGEABLE
COUPLER,DIRECTIONAL
5331-01-085-4532INTERCHANGEABLE
O-RING
300230
5985-01-096-5284INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-128-6982INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-142-8187INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-142-8188INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-144-1194INTERCHANGEABLE
COUPLER,DIRECTIONAL

Frequently Asked Questions

What is NSN 5985-01-081-3958?

NSN 5985-01-081-3958 is a Coupler,directional, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-081-3958?

NSN 5985-01-081-3958 has 5 cross-referenced part numbers: M15370/3-012 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 3002-30 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), MIL-C-15370/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-15370/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CU-1530/U (Joint Electronics Type Designation System).

What NSN replaces 5985-01-081-3958?

There are 12 known substitutes for 5985-01-081-3958: 5998-00-409-1318, 5985-00-881-1553, 5985-01-034-6821 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M15370/3-012?

Key specifications for M15370/3-012: Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING; Radio Frequency Rating: 950.0 MEGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM; Identifying Number: TERMINAL FITTING MIL-C-39012; Unit Type: COAXIAL LINE. 10 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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