PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2634Adapter,waveguide

Omega Laboratories Inc · NSN 5985-00-368-7179 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-368-7179 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-368-7179. Primary manufacturer part number: 2634.
Features
  • Adapter,waveguide — FSC 5985
  • Adapter Overall Width: 1.625 INCHES NOMINAL IN
  • Flange Depth: 0.437 INCHES NOMINAL SINGLE FLANGE IN
  • Flange Quantity: 1
  • Adapter Height: 1.625 INCHES NOMINAL IN
  • Flange Inside Height: 0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM SINGLE FLANGE IN
  • Waveguide Outside Width: 1.000 INCHES NOMINAL IN
  • Flange Connecting Hole Diameter: 0.169 INCHES NOMINAL SINGLE FLANGE SINGLE CONNECTION FACILITY IN
Applications
  • Applications requiring Copper Alloy Single Tubing Segment construction
General Description

The Adapter,waveguide, cataloged under National Stock Number 5985-00-368-7179, 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 Omega Laboratories Inc. Government technical data includes 25 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-368-7179
Primary Part Number2634
Item NameAdapter,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerOmega Laboratories Inc
StatusACTIVE
Adapter Overall Width1.625 INCHES NOMINAL IN
Flange Depth0.437 INCHES NOMINAL SINGLE FLANGE IN
Flange Quantity1
Adapter Height1.625 INCHES NOMINAL IN
Flange Inside Height0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM SINGLE FLANGE IN
Waveguide Outside Width1.000 INCHES NOMINAL IN
Flange Connecting Hole Diameter0.169 INCHES NOMINAL SINGLE FLANGE SINGLE CONNECTION FACILITY IN
Adapter Length1.330 INCHES NOMINAL IN
Waveguide Inside Width0.900 INCHES NOMINAL IN
MaterialCOPPER ALLOY SINGLE TUBING SEGMENT
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Inside Width1.422 INCHES NOMINAL SINGLE FLANGE IN
Connector End DesignFEMALE
Flange StyleCOVER TYPE SINGLE FLANGE
Flange Outside Width1.625 INCHES NOMINAL SINGLE FLANGE IN
Coaxial Connector Series DesignationASM
Voltage Standing Wave Ratio1.25
Adapter Overall Height1.625 INCHES NOMINAL IN
Flange Outside Height1.625 INCHES NOMINAL SINGLE FLANGE IN
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY
Input Impedance Rating in Ohms50.0
Waveguide Inside Height0.400 INCHES NOMINAL IN
Waveguide Outside Height0.500 INCHES NOMINAL IN
Style DesignatorWAVEGUIDE TO COAXIAL
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5945-00-054-4381263-4 INTERCHANGEABLE
Flasher,thermal
Federal-Mogul Corp Government Sales Dept
7240-00-151-6629 INTERCHANGEABLE
Waste Receptacle
5975-00-280-3659 INTERCHANGEABLE
Ferrule,electrical Conduit
5136-00-293-33232634 INTERCHANGEABLE
Tap Set,thread Cutting
Stanley Tools Div of Stanley Works
6210-00-735-2178B547-191 INTERCHANGEABLE
Lens,hp Objective
L3 Technologies, Inc. Div L3 Keo
2920-01-057-057233-97186 INTERCHANGEABLE
Spark Plug
Brunswick Corp Dba Mercury Marine Div Mercury Marine
5975-01-089-97882634 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5905-01-096-54662634 INTERCHANGEABLE
Resistor
Crown Audio, Inc. Dba Crown International
3030-01-134-6612840XH300 INTERCHANGEABLE
Belt,positive Drive
Rubber Mfrs Assn Inc
6510-01-161-90802634 INTERCHANGEABLE
Sponge,surgical
Covidien Sales Llc Dba Covidien Sales
Cross-Reference Index
Part NumberManufacturer
2634 Omega Laboratories Inc (USA)
23005-8 Huber+suhner Astrolab, Inc. Dba Huber & Suhner Astrolab Inc (USA)
73-805687-1 General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
Related Parts
5945-00-054-4381INTERCHANGEABLE
FLASHER,THERMAL
263-4
7240-00-151-6629INTERCHANGEABLE
WASTE RECEPTACLE
5975-00-280-3659INTERCHANGEABLE
FERRULE,ELECTRICAL CONDUIT
5136-00-293-3323INTERCHANGEABLE
TAP SET,THREAD CUTTING
2634
6210-00-735-2178INTERCHANGEABLE
LENS,HP OBJECTIVE
B547-191
2920-01-057-0572INTERCHANGEABLE
SPARK PLUG
33-97186
5975-01-089-9788INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2634
5905-01-096-5466INTERCHANGEABLE
RESISTOR
2634
3030-01-134-6612INTERCHANGEABLE
BELT,POSITIVE DRIVE
840XH300
6510-01-161-9080INTERCHANGEABLE
SPONGE,SURGICAL
2634
6145-01-189-8560INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
2634
5985-01-202-3122INTERCHANGEABLE
ATTENUATOR,FIXED
ATT-0263-04-SMA-02

Frequently Asked Questions

What is NSN 5985-00-368-7179?

NSN 5985-00-368-7179 is a Adapter,waveguide, manufactured by Omega Laboratories Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-368-7179?

NSN 5985-00-368-7179 has 3 cross-referenced part numbers: 2634 (Omega Laboratories Inc), 23005-8 (Huber+suhner Astrolab, Inc. Dba Huber & Suhner Astrolab Inc), 73-805687-1 (General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems).

What NSN replaces 5985-00-368-7179?

There are 12 known substitutes for 5985-00-368-7179: 5945-00-054-4381, 7240-00-151-6629, 5975-00-280-3659 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2634?

Key specifications for 2634: Adapter Overall Width: 1.625 INCHES NOMINAL IN; Flange Depth: 0.437 INCHES NOMINAL SINGLE FLANGE IN; Flange Quantity: 1; Adapter Height: 1.625 INCHES NOMINAL IN. 25 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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