PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-2673Coupler,rotary,radio Frequency

Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc · NSN 5985-00-471-1613 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-471-1613 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-471-1613. Primary manufacturer part number: 20-2673.
Features
  • Coupler,rotary,radio Frequency — FSC 5985
  • Overall Diameter: 2.680 INCHES NOMINAL IN
  • Unit Type: WAVEGUIDE
  • 2 verified cross-references
  • Primary manufacturer: Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-00-471-1613, 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 Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc. Government technical data includes 2 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-471-1613
Primary Part Number20-2673
Item NameCoupler,rotary,radio Frequency
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMicrowave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc
StatusACTIVE
Overall Diameter2.680 INCHES NOMINAL IN
Unit TypeWAVEGUIDE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5360-00-664-48542030341 INTERCHANGEABLE
Spring,helical,compression
General Motors Corp
6610-01-108-0411202673 INTERCHANGEABLE
Aneroid Assembly
Aerosonic Llc
5310-01-160-960010510416 INTERCHANGEABLE
Washer,special
General Dynamics Land Systems Canadacorp
5310-01-565-75106566002 INTERCHANGEABLE
Nut,plain,hexagon
Jpw Industries Inc. Dba Jpw Industries Inc
Cross-Reference Index
Part NumberManufacturer
20-2673 PRIMARY Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA)
656600-2 Raytheon Company Dba Raytheon (USA)
Related Parts
5360-00-664-4854INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2030341
6610-01-108-0411INTERCHANGEABLE
ANEROID ASSEMBLY
202673
5310-01-160-9600INTERCHANGEABLE
WASHER,SPECIAL
10510416
5310-01-565-7510INTERCHANGEABLE
NUT,PLAIN,HEXAGON
6566002

Frequently Asked Questions

What is NSN 5985-00-471-1613?

NSN 5985-00-471-1613 is a Coupler,rotary,radio Frequency, manufactured by Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-471-1613?

NSN 5985-00-471-1613 has 2 cross-referenced part numbers: 20-2673 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc), 656600-2 (Raytheon Company Dba Raytheon).

What NSN replaces 5985-00-471-1613?

There are 4 known substitutes for 5985-00-471-1613: 5360-00-664-4854, 6610-01-108-0411, 5310-01-160-9600 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-2673?

Key specifications for 20-2673: Overall Diameter: 2.680 INCHES NOMINAL IN; Unit Type: WAVEGUIDE; Overall Length: 3.770 INCHES NOMINAL IN. 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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