PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

334307Coupler,directional

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5985-00-081-9142 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-081-9142 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-081-9142. Primary manufacturer part number: 334307.
Features
  • Coupler,directional — FSC 5985
  • Power Loss in Decibels: 20.000
  • Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING
  • Unit Type: TRANSMISSION LINE
  • Design Type: BIDIRECTIONAL
  • Radio Frequency Rating: 4.2 GIGAHERTZ MINIMUM AND 4.3 GIGAHERTZ MAXIMUM
  • Terminal Fitting Controlling Agency: THOMPSON RAMO WOOLDRIDGE INC.
  • Identifying Number: TERMINAL FITTING TYPE NO. N
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,directional, cataloged under National Stock Number 5985-00-081-9142, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-081-9142
Primary Part Number334307
Item NameCoupler,directional
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Power Loss in Decibels20.000
Usage DesignMAIN LINE AND SECONDARY LINE TERMINAL FITTING
Unit TypeTRANSMISSION LINE
Design TypeBIDIRECTIONAL
Radio Frequency Rating4.2 GIGAHERTZ MINIMUM AND 4.3 GIGAHERTZ MAXIMUM
Terminal Fitting Controlling AgencyTHOMPSON RAMO WOOLDRIDGE INC.
Identifying NumberTERMINAL FITTING TYPE NO. N
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5815-00-137-3861334307 INTERCHANGEABLE
Lever Guide,right
Telemechanics Inc
3820-00-423-0284 INTERCHANGEABLE
Shaft and Flange
5975-00-608-644614029 INTERCHANGEABLE
Sealnut
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
3040-01-156-718215649193 INTERCHANGEABLE
Lever,manual Control
General Motors Llc Dba General Motors Llc
5962-01-171-6806971685-231 INTERCHANGEABLE
Microcircuit,digital
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5310-01-699-192114029 INTERCHANGEABLE
Nut,self-Locking,hexagon
Bird-Johnson Propeller Company, Llc
Cross-Reference Index
Part NumberManufacturer
14029 Marc Alan Group the, Inc (USA)
2618 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
L-20G1D1 Fisica Applied Technologies, Inc. Div Datron Advanced Technologies (USA)
334307 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
L2G1D1 Fisica Applied Technologies, Inc. Div Datron Advanced Technologies (USA)
Related Parts
5815-00-137-3861INTERCHANGEABLE
LEVER GUIDE,RIGHT
334307
3820-00-423-0284INTERCHANGEABLE
SHAFT AND FLANGE
5975-00-608-6446INTERCHANGEABLE
SEALNUT
14029
3040-01-156-7182INTERCHANGEABLE
LEVER,MANUAL CONTROL
15649193
5962-01-171-6806INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
971685-231
5310-01-699-1921INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
14029

Frequently Asked Questions

What is NSN 5985-00-081-9142?

NSN 5985-00-081-9142 is a Coupler,directional, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-081-9142?

NSN 5985-00-081-9142 has 5 cross-referenced part numbers: 14029 (Marc Alan Group the, Inc), 2618 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), L-20G1D1 (Fisica Applied Technologies, Inc. Div Datron Advanced Technologies), 334307 (Lockheed Martin Corporation Div Rms - Mitchel Field), L2G1D1 (Fisica Applied Technologies, Inc. Div Datron Advanced Technologies).

What NSN replaces 5985-00-081-9142?

There are 6 known substitutes for 5985-00-081-9142: 5815-00-137-3861, 3820-00-423-0284, 5975-00-608-6446 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 334307?

Key specifications for 334307: Overall Height: 3.250 INCHES NOMINAL IN; Overall Width: 0.703 INCHES NOMINAL IN; Overall Length: 5.000 INCHES NOMINAL IN; Power Loss in Decibels: 20.000. 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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