PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-656Coupler,rotary,radio Frequency

Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc · NSN 5985-00-471-1611 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-471-1611 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-471-1611. Primary manufacturer part number: 20-656.
Features
  • Coupler,rotary,radio Frequency — FSC 5985
  • Unit Type: WAVEGUIDE
  • 5 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 5985-00-471-1611, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5985-00-471-1611
Primary Part Number20-656
Item NameCoupler,rotary,radio Frequency
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMicrowave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc
StatusACTIVE
Unit TypeWAVEGUIDE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5130-00-086-01335130-00-086-0133 INTERCHANGEABLE
Blade,jig Saw,woodworking
General Services Administration Federal Supply Service
5133-00-189-9301 INTERCHANGEABLE
Drill,twist
6130-00-232-602520656 INTERCHANGEABLE
Rectifier,metallic
Naval Ship Systems Command
5120-00-251-3990AF8-TP529 INTERCHANGEABLE
Crimping Tool,terminal,hand
Daniels Manufacturing Corporation
3455-00-260-332219832 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5310-00-480-84495417 INTERCHANGEABLE
Washer,lock
Eaton Corporation Div Eaton Fluid Power
6685-00-526-8122515-BS INTERCHANGEABLE
Thermometer,self-Indicating
Nurnberg Thermometer Co Inc
6625-00-591-7616 INTERCHANGEABLE
Converter,signal Data
5910-00-648-8905 INTERCHANGEABLE
Capacitor,fixed,electrolytic
4320-00-650-4515 INTERCHANGEABLE
Impeller,pump,centrifugal
Cross-Reference Index
Part NumberManufacturer
656598-1 Skyworks Solutions, Inc. (USA)
656598-1 Raytheon Company Dba Raytheon (USA)
X-2173 Lawrence Laboratory Inc Sub of M/a-Com Inc (USA)
5417 Guide Microwave Inc (USA)
20-656 PRIMARY Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA)
Related Parts
5130-00-086-0133INTERCHANGEABLE
BLADE,JIG SAW,WOODWORKING
5130-00-086-0133
5133-00-189-9301INTERCHANGEABLE
DRILL,TWIST
6130-00-232-6025INTERCHANGEABLE
RECTIFIER,METALLIC
20656
5120-00-251-3990INTERCHANGEABLE
CRIMPING TOOL,TERMINAL,HAND
AF8-TP529
3455-00-260-3322INTERCHANGEABLE
REAMER,MACHINE
19832
5310-00-480-8449INTERCHANGEABLE
WASHER,LOCK
5417
6685-00-526-8122INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
515-BS
6625-00-591-7616INTERCHANGEABLE
CONVERTER,SIGNAL DATA
5910-00-648-8905INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
4320-00-650-4515INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
5365-00-735-9574INTERCHANGEABLE
BUSHING,NONMETALLIC
6145-00-802-2377INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5417

Frequently Asked Questions

What is NSN 5985-00-471-1611?

NSN 5985-00-471-1611 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 5985-00-471-1611?

NSN 5985-00-471-1611 has 5 cross-referenced part numbers: 656598-1 (Skyworks Solutions, Inc.), 656598-1 (Raytheon Company Dba Raytheon), X-2173 (Lawrence Laboratory Inc Sub of M/a-Com Inc), 5417 (Guide Microwave Inc), 20-656 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc).

What NSN replaces 5985-00-471-1611?

There are 12 known substitutes for 5985-00-471-1611: 5130-00-086-0133, 5133-00-189-9301, 6130-00-232-6025 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-656?

Key specifications for 20-656: Unit Type: WAVEGUIDE. 1 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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