PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-15370/3Coupler,directional

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5985-01-128-6982 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-128-6982 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-128-6982. Primary manufacturer part number: MIL-PRF-15370/3.
Features
  • Coupler,directional — FSC 5985
  • Radio Frequency Rating: 216.0 MEGAHERTZ MINIMUM AND 450.0 MEGAHERTZ MAXIMUM
  • Unit Type: TRANSMISSION LINE
  • Usage Design: MAIN LINE TERMINAL FITTING
  • Design Type: BIDIRECTIONAL
  • Identifying Number: TERMINAL FITTING MIL-C-39012
  • Terminal Fitting Controlling Agency: MILITARY SPECIFICATION
  • Test Data Document: 81349-MIL-C-15370 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.).
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,directional, cataloged under National Stock Number 5985-01-128-6982, 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 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
NSN5985-01-128-6982
Primary Part NumberMIL-PRF-15370/3
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
Radio Frequency Rating216.0 MEGAHERTZ MINIMUM AND 450.0 MEGAHERTZ MAXIMUM
Unit TypeTRANSMISSION LINE
Usage DesignMAIN LINE TERMINAL FITTING
Design TypeBIDIRECTIONAL
Identifying NumberTERMINAL FITTING MIL-C-39012
Terminal Fitting Controlling AgencyMILITARY SPECIFICATION
Test Data Document81349-MIL-C-15370 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.).
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
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
5985-01-081-3958 INTERCHANGEABLE
Coupler,directional
5985-01-096-5284 INTERCHANGEABLE
Coupler,directional
5985-01-142-8187 INTERCHANGEABLE
Coupler,directional
5985-01-142-8188 INTERCHANGEABLE
Coupler,directional
5985-01-144-1194 INTERCHANGEABLE
Coupler,directional
5985-01-144-1195 INTERCHANGEABLE
Coupler,directional
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-15370/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M15370/3-005 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
MIL-C-15370/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CU-1516/U Joint Electronics Type Designation System (USA)
Related Parts
5985-01-034-6821INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-036-1241INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-042-2500INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-065-4429INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-081-3958INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-096-5284INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-142-8187INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-142-8188INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-144-1194INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-144-1195INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-209-9164INTERCHANGEABLE
COUPLER,DIRECTIONAL
5985-01-217-1759INTERCHANGEABLE
COUPLER,DIRECTIONAL

Frequently Asked Questions

What is NSN 5985-01-128-6982?

NSN 5985-01-128-6982 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 5985-01-128-6982?

NSN 5985-01-128-6982 has 5 cross-referenced part numbers: MIL-PRF-15370/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M15370/3-005 (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), MIL-C-15370/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CU-1516/U (Joint Electronics Type Designation System).

What NSN replaces 5985-01-128-6982?

There are 12 known substitutes for 5985-01-128-6982: 5985-01-034-6821, 5985-01-036-1241, 5985-01-042-2500 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-15370/3?

Key specifications for MIL-PRF-15370/3: Radio Frequency Rating: 216.0 MEGAHERTZ MINIMUM AND 450.0 MEGAHERTZ MAXIMUM; Unit Type: TRANSMISSION LINE; Usage Design: MAIN LINE TERMINAL FITTING; Design Type: BIDIRECTIONAL. 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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