PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BC-4Coupler,transmission Line

Smart Machines, Inc. Dba Barker and Williamson · NSN 5985-01-330-6151 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-330-6151 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-330-6151. Primary manufacturer part number: BC-4.
Features
  • Coupler,transmission Line — FSC 5985
  • Radio Frequency Rating: 3.5 MEGAHERTZ MINIMUM AND 30.0 MEGAHERTZ MAXIMUM
  • Input Impedance Rating in Ohms: 50.0 AND 600.0
  • Output Impedance Rating in Ohms: 50.0 AND 600.0
  • 2 verified cross-references
  • Primary manufacturer: Smart Machines, Inc. Dba Barker and Williamson
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,transmission Line, cataloged under National Stock Number 5985-01-330-6151, 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 Smart Machines, Inc. Dba Barker and Williamson. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN5985-01-330-6151
Primary Part NumberBC-4
Item NameCoupler,transmission Line
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerSmart Machines, Inc. Dba Barker and Williamson
StatusACTIVE
Radio Frequency Rating3.5 MEGAHERTZ MINIMUM AND 30.0 MEGAHERTZ MAXIMUM
Input Impedance Rating in Ohms50.0 AND 600.0
Output Impedance Rating in Ohms50.0 AND 600.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5999-00-175-8159539603-1 INTERCHANGEABLE
Contact,electrical
Raytheon Company Dba Raytheon
2940-00-354-0919148244 INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5660-01-005-0680 INTERCHANGEABLE
Cap,post
4320-01-388-6903BC4 INTERCHANGEABLE
Cover,centrifugal Pump
Circor Naval Solutions Llc Dba Warren Pumps
5660-01-681-8149 INTERCHANGEABLE
Cap,post
Cross-Reference Index
Part NumberManufacturer
BC-4 Barker & Williamson (USA)
BC-4 PRIMARY Smart Machines, Inc. Dba Barker and Williamson (USA)
Related Parts
5999-00-175-8159INTERCHANGEABLE
CONTACT,ELECTRICAL
539603-1
2940-00-354-0919INTERCHANGEABLE
FILTER ELEMENT,FLUID
148244
5660-01-005-0680INTERCHANGEABLE
CAP,POST
4320-01-388-6903INTERCHANGEABLE
COVER,CENTRIFUGAL PUMP
BC4
5660-01-681-8149INTERCHANGEABLE
CAP,POST

Frequently Asked Questions

What is NSN 5985-01-330-6151?

NSN 5985-01-330-6151 is a Coupler,transmission Line, manufactured by Smart Machines, Inc. Dba Barker and Williamson, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-330-6151?

NSN 5985-01-330-6151 has 2 cross-referenced part numbers: BC-4 (Barker & Williamson), BC-4 (Smart Machines, Inc. Dba Barker and Williamson).

What NSN replaces 5985-01-330-6151?

There are 5 known substitutes for 5985-01-330-6151: 5999-00-175-8159, 2940-00-354-0919, 5660-01-005-0680 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BC-4?

Key specifications for BC-4: Radio Frequency Rating: 3.5 MEGAHERTZ MINIMUM AND 30.0 MEGAHERTZ MAXIMUM; Input Impedance Rating in Ohms: 50.0 AND 600.0; Output Impedance Rating in Ohms: 50.0 AND 600.0. 3 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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