PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34546Waveguide Assembly

Electro Impulse Laboratory Inc Dba Electro Impulse Inc · NSN 5985-01-276-2425 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-276-2425 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-276-2425. Primary manufacturer part number: 34546.
Features
  • Waveguide Assembly — FSC 5985
  • Waveguide Outside Width: 1.246 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN
  • Flange Inside Height: 0.628 INCHES MINIMUM AND 0.631 INCHES MAXIMUM FIRST FLANGE IN
  • Waveguide Longer Offset Distance: 3.500 INCHES NOMINAL IN
  • Voltage Standing Wave Ratio: 1.05
  • Material: COPPER ALLOY SINGLE TUBING SEGMENT
  • Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT
  • Flange Depth: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM FIRST FLANGE IN
Applications
  • Applications requiring Copper Alloy Single Tubing Segment construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-01-276-2425, 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 Electro Impulse Laboratory Inc Dba Electro Impulse Inc. Government technical data includes 23 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
NSN5985-01-276-2425
Primary Part Number34546
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerElectro Impulse Laboratory Inc Dba Electro Impulse Inc
StatusACTIVE
Waveguide Outside Width1.246 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN
Flange Inside Height0.628 INCHES MINIMUM AND 0.631 INCHES MAXIMUM FIRST FLANGE IN
Waveguide Longer Offset Distance3.500 INCHES NOMINAL IN
Voltage Standing Wave Ratio1.05
MaterialCOPPER ALLOY SINGLE TUBING SEGMENT
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Depth0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM FIRST FLANGE IN
Waveguide Inside Height0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange Connecting Hole Diameter0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM FIRST FLANGE ALL CONNECTION FACILITIES IN
Flange Outside Width1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM FIRST FLANGE IN
Style DesignatorBEND TYPE
Waveguide Outside Height0.621 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN
Flange Quantity2
Waveguide Offset Distance3.000 INCHES NOMINAL IN
FlexibilityRIGID SINGLE TUBING SEGMENT
Surface TreatmentPAINT ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
Flange Inside Width1.253 INCHES MINIMUM AND 1.256 INCHES MAXIMUM FIRST FLANGE IN
MaterialALUMINUM ALLOY FIRST FLANGE
Flange Outside Height1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM FIRST FLANGE IN
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES
Waveguide Inside Width1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN
Flange StyleCOVER TYPE FIRST FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6240-00-295-2421 INTERCHANGEABLE
Lamp,incandescent
3130-00-395-1776 INTERCHANGEABLE
Housing,bearing Unit
4920-00-862-118434546 INTERCHANGEABLE
Knob and Dial Assem
Cec Vibration Products, Llc Dba Cec Vibrations Products
5330-01-100-7169345-46 INTERCHANGEABLE
Seal,moisture
Korry Electronics Co
5342-01-209-70058260-111 INTERCHANGEABLE
Cap
Pdi Ground Support Systems, Inc.
1730-01-256-735034546 INTERCHANGEABLE
Cover,outlet,brake
Pdi Ground Support Systems, Inc.
3010-01-281-571734546 INTERCHANGEABLE
Coupling,shaft
Westerbeke Corporation
5850-01-359-0557003454-006 INTERCHANGEABLE
Lens,light
Dynalec Corporation
3020-01-441-4087 INTERCHANGEABLE
Gear,helical
7025-01-581-605934546 INTERCHANGEABLE
Disk Drive Unit
Iomega Corporation
Cross-Reference Index
Part NumberManufacturer
SPM34546 Special Products Mfg Inc Sub of Canrad Inc (USA)
34546 PRIMARY Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
R12-960 Microwave Engineering Corporation (USA)
Related Parts
6240-00-295-2421INTERCHANGEABLE
LAMP,INCANDESCENT
3130-00-395-1776INTERCHANGEABLE
HOUSING,BEARING UNIT
4920-00-862-1184INTERCHANGEABLE
KNOB AND DIAL ASSEM
34546
5330-01-100-7169INTERCHANGEABLE
SEAL,MOISTURE
345-46
5342-01-209-7005INTERCHANGEABLE
CAP
8260-111
1730-01-256-7350INTERCHANGEABLE
COVER,OUTLET,BRAKE
34546
3010-01-281-5717INTERCHANGEABLE
COUPLING,SHAFT
34546
5850-01-359-0557INTERCHANGEABLE
LENS,LIGHT
003454-006
3020-01-441-4087INTERCHANGEABLE
GEAR,HELICAL
7025-01-581-6059INTERCHANGEABLE
DISK DRIVE UNIT
34546

Frequently Asked Questions

What is NSN 5985-01-276-2425?

NSN 5985-01-276-2425 is a Waveguide Assembly, manufactured by Electro Impulse Laboratory Inc Dba Electro Impulse Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-276-2425?

NSN 5985-01-276-2425 has 3 cross-referenced part numbers: SPM34546 (Special Products Mfg Inc Sub of Canrad Inc), 34546 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc), R12-960 (Microwave Engineering Corporation).

What NSN replaces 5985-01-276-2425?

There are 10 known substitutes for 5985-01-276-2425: 6240-00-295-2421, 3130-00-395-1776, 4920-00-862-1184 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 34546?

Key specifications for 34546: Waveguide Outside Width: 1.246 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN; Flange Inside Height: 0.628 INCHES MINIMUM AND 0.631 INCHES MAXIMUM FIRST FLANGE IN; Waveguide Longer Offset Distance: 3.500 INCHES NOMINAL IN; Voltage Standing Wave Ratio: 1.05. 23 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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