PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3150074-1Coupler,directional

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5985-01-068-4651 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-068-4651 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-068-4651. Primary manufacturer part number: 3150074-1.
Features
  • Coupler,directional — FSC 5985
  • Unit Type: WAVEGUIDE
  • Design Type: BIDIRECTIONAL
  • Power Loss in Decibels: 21.0
  • FSC Application Data: ANTENNAS,WAVEGUIDES AND RELATED EQUIP.
  • Radio Frequency Rating: 8.9 GIGAHERTZ MINIMUM AND 9.4 GIGAHERTZ MAXIMUM
  • 11 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,directional, cataloged under National Stock Number 5985-01-068-4651, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 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
NSN5985-01-068-4651
Primary Part Number3150074-1
Item NameCoupler,directional
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Unit TypeWAVEGUIDE
Design TypeBIDIRECTIONAL
Power Loss in Decibels21.0
FSC Application DataANTENNAS,WAVEGUIDES AND RELATED EQUIP.
Radio Frequency Rating8.9 GIGAHERTZ MINIMUM AND 9.4 GIGAHERTZ MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2940-00-019-808751138 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
3130-00-071-804610279 INTERCHANGEABLE
Bearing Unit,plain
Lake Shore Systems, Inc.
3010-00-083-89041371D21 INTERCHANGEABLE
Universal Joint,nonvehicular
Triumph Gear Systems Inc Dba Triumph Gear Systems Inc
5330-00-149-2335 INTERCHANGEABLE
Retainer,packing
2915-00-166-6025102-79 INTERCHANGEABLE
Diaphragm Assembly,pump
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
3110-00-224-452551138 INTERCHANGEABLE
Bearing,ball,thrust
Schaeffler Group Usa Inc
5950-00-237-144253B214 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
3020-00-836-178051138 INTERCHANGEABLE
Pulley,engine Starter Rope
Mcculloch Corp
5365-00-990-408710279 INTERCHANGEABLE
Shim Set
L3harris Interstate Electronics Corporation
5950-00-999-8674 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
10279 Omega Laboratories Inc (USA)
PL 1054742-001 Lockheed Martin Corporation Div Rms (USA)
AR3621 Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA)
AMC0274 Atlantic Microwave Corporation Div Cobham Electronic Systems (USA)
51138 Waveline Inc (USA)
3150074-1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
PL 3150074-1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1054742-001 Lockheed Martin Corporation Div Rms (USA)
1054742-001 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
PL 1054742-001 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
112 CB 39 Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA)
Related Parts
2940-00-019-8087INTERCHANGEABLE
FILTER ELEMENT,FLUID
51138
3130-00-071-8046INTERCHANGEABLE
BEARING UNIT,PLAIN
10279
3010-00-083-8904INTERCHANGEABLE
UNIVERSAL JOINT,NONVEHICULAR
1371D21
5330-00-149-2335INTERCHANGEABLE
RETAINER,PACKING
2915-00-166-6025INTERCHANGEABLE
DIAPHRAGM ASSEMBLY,PUMP
102-79
3110-00-224-4525INTERCHANGEABLE
BEARING,BALL,THRUST
51138
5950-00-237-1442INTERCHANGEABLE
COIL,RADIO FREQUENCY
53B214
3020-00-836-1780INTERCHANGEABLE
PULLEY,ENGINE STARTER ROPE
51138
5365-00-990-4087INTERCHANGEABLE
SHIM SET
10279
5950-00-999-8674INTERCHANGEABLE
TRANSFORMER,POWER
5330-01-086-3996INTERCHANGEABLE
GASKET
13294
3950-01-241-3945INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
10279

Frequently Asked Questions

What is NSN 5985-01-068-4651?

NSN 5985-01-068-4651 is a Coupler,directional, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-068-4651?

NSN 5985-01-068-4651 has 11 cross-referenced part numbers: 10279 (Omega Laboratories Inc), PL 1054742-001 (Lockheed Martin Corporation Div Rms), AR3621 (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc), AMC0274 (Atlantic Microwave Corporation Div Cobham Electronic Systems), 51138 (Waveline Inc) and 6 more.

What NSN replaces 5985-01-068-4651?

There are 12 known substitutes for 5985-01-068-4651: 2940-00-019-8087, 3130-00-071-8046, 3010-00-083-8904 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3150074-1?

Key specifications for 3150074-1: Unit Type: WAVEGUIDE; Overall Length: 12.980 INCHES MINIMUM AND 13.000 INCHES MAXIMUM IN; Design Type: BIDIRECTIONAL; Power Loss in Decibels: 21.0. 6 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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