PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

187WU49-1Adapter,waveguide

Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc · NSN 5985-00-986-3613 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-986-3613 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-986-3613. Primary manufacturer part number: 187WU49-1.
Features
  • Adapter,waveguide — FSC 5985
  • FSC Application Data: RECEIVER-TRANSMITTER,RADARSET,METEOROLOGICIAL
  • Waveguide Inside Width: 1.872 INCHES NOMINAL IN
  • Waveguide Inside Height: 0.872 INCHES NOMINAL IN
  • Operating Pressure: 17.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
  • Waveguide Outside Height: 1.000 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
  • Waveguide Outside Width: 2.000 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Adapter,waveguide, cataloged under National Stock Number 5985-00-986-3613, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-986-3613
Primary Part Number187WU49-1
Item NameAdapter,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMicrowave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc
StatusACTIVE
FSC Application DataRECEIVER-TRANSMITTER,RADARSET,METEOROLOGICIAL
Waveguide Inside Width1.872 INCHES NOMINAL IN
Waveguide Inside Height0.872 INCHES NOMINAL IN
Operating Pressure17.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
Waveguide Outside Height1.000 INCHES NOMINAL IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Waveguide Outside Width2.000 INCHES NOMINAL IN
Voltage Standing Wave Ratio1.05
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6635-00-139-59445002/02 INTERCHANGEABLE
Test Set,asphalt
Ele International, Llc Dba Soiltest Products
4920-00-164-58445000-02 INTERCHANGEABLE
Filter Generator
Drs Codem Systems, Inc Div Drs Codem Systems, Inc. (west)
6105-00-916-5574500-002 INTERCHANGEABLE
Slip Ring Assembly
Genisco Technology Corporation
5340-01-159-420769-23886-2 INTERCHANGEABLE
Bracket,mounting
The Boeing Company Div Legacy Wichita
4730-01-230-88945000-02 INTERCHANGEABLE
Coupling,pipe
Aerco International, Inc. Dba Aerco International Inc
6220-01-302-1046 INTERCHANGEABLE
Panel,indicating,light Transmitt
6685-01-304-2120500-002 INTERCHANGEABLE
Thermocouple,exhaust
Gordon Claud S Company Inc Dba Watlow Richmond
5340-01-327-291250-0002 INTERCHANGEABLE
Bracket,mounting
Clamshell Structures, Inc
4240-01-477-940850-0002 INTERCHANGEABLE
Case Carrying
North American Rescue, Llc
6130-01-502-20668002941 INTERCHANGEABLE
Charger,battery
Scott Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
187WU49-1 PRIMARY Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA)
500002 Aimtron Systems, Llc (USA)
500002 Cardion Inc (USA)
Related Parts
6635-00-139-5944INTERCHANGEABLE
TEST SET,ASPHALT
5002/02
4920-00-164-5844INTERCHANGEABLE
FILTER GENERATOR
5000-02
6105-00-916-5574INTERCHANGEABLE
SLIP RING ASSEMBLY
500-002
5340-01-159-4207INTERCHANGEABLE
BRACKET,MOUNTING
69-23886-2
4730-01-230-8894INTERCHANGEABLE
COUPLING,PIPE
5000-02
6220-01-302-1046INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
6685-01-304-2120INTERCHANGEABLE
THERMOCOUPLE,EXHAUST
500-002
5340-01-327-2912INTERCHANGEABLE
BRACKET,MOUNTING
50-0002
4240-01-477-9408INTERCHANGEABLE
CASE CARRYING
50-0002
6130-01-502-2066INTERCHANGEABLE
CHARGER,BATTERY
8002941

Frequently Asked Questions

What is NSN 5985-00-986-3613?

NSN 5985-00-986-3613 is a Adapter,waveguide, 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 5985-00-986-3613?

NSN 5985-00-986-3613 has 3 cross-referenced part numbers: 187WU49-1 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc), 500002 (Aimtron Systems, Llc), 500002 (Cardion Inc).

What NSN replaces 5985-00-986-3613?

There are 10 known substitutes for 5985-00-986-3613: 6635-00-139-5944, 4920-00-164-5844, 6105-00-916-5574 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 187WU49-1?

Key specifications for 187WU49-1: FSC Application Data: RECEIVER-TRANSMITTER,RADARSET,METEOROLOGICIAL; Waveguide Inside Width: 1.872 INCHES NOMINAL IN; Waveguide Inside Height: 0.872 INCHES NOMINAL IN; Operating Pressure: 17.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com