PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LM28BUL2X8Switch,waveguide

Logus Manufacturing Corp. · NSN 5985-01-473-4549 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-473-4549 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-473-4549. Primary manufacturer part number: LM28BUL2X8.
Features
  • Switch,waveguide — FSC 5985
  • Frequency Rating: 32.6 GIGAHERTZ NOMINAL SINGLE FREQUENCY OPERATING
  • Material: COPPER ALLOY FLANGE(S)
  • Insertion Loss in Decibels: 0.25 SINGLE
  • Rf Power Handling Capability: 30.0 WATTS AVERAGE FIRST
  • Actuator Operating Method: RELAY
  • Actuator Voltage in Volts: 28.0 NOMINAL
  • Switch Type: NONTRANSFER
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Copper Alloy Flange(s) construction
General Description

The Switch,waveguide, cataloged under National Stock Number 5985-01-473-4549, 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 Logus Manufacturing Corp.. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5985-01-473-4549
Primary Part NumberLM28BUL2X8
Item NameSwitch,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerLogus Manufacturing Corp.
StatusACTIVE
Frequency Rating32.6 GIGAHERTZ NOMINAL SINGLE FREQUENCY OPERATING
MaterialCOPPER ALLOY FLANGE(S)
Insertion Loss in Decibels0.25 SINGLE
Rf Power Handling Capability30.0 WATTS AVERAGE FIRST
Actuator Operating MethodRELAY
Actuator Voltage in Volts28.0 NOMINAL
Switch TypeNONTRANSFER
Waveguide Flange TypeCHOKE
Rf Power Handling Capability60.0 KILOWATTS PEAK SECOND
Minimum Crosstalk Rating in Decibels50.0 SINGLE
Flange Connecting Facility and Quantity4 THREADED HOLE(S)
Voltage Standing Wave Ratio1.10 SINGLE
Thread Quantity Per Inch40 FLANGE CONNECTION FACILITY HOLE
Coupling Position Quantity2
Thread Class2B FLANGE CONNECTION FACILITY HOLE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) FLANGE CONNECTION FACILITY HOLE
Terminal Type and Quantity3 PIN
Nominal Thread Size0.112 INCHES FLANGE CONNECTION FACILITY HOLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2835-00-654-672021200-1 INTERCHANGEABLE
Bracket,locating Plate
Solar Turbines Incorporated Dba Solar Turbines Incorporated
5930-01-217-5587 INTERCHANGEABLE
Switch,sensitive
5985-01-473-4585LM90BUL2X90 INTERCHANGEABLE
Switch,waveguide
Logus Manufacturing Corp.
1660-01-670-6953 INTERCHANGEABLE
Housing,air Outlet,aircraft
Cross-Reference Index
Part NumberManufacturer
212001 Rantec Microwave Systems, Inc. Dba Rantec Microwave Systems Inc (USA)
LM28BUL2X8 PRIMARY Logus Manufacturing Corp. (USA)
212001-01 Rantec Microwave Systems, Inc. Dba Rantec Microwave Systems Inc (USA)
Related Parts
2835-00-654-6720INTERCHANGEABLE
BRACKET,LOCATING PLATE
21200-1
5930-01-217-5587INTERCHANGEABLE
SWITCH,SENSITIVE
5985-01-473-4585INTERCHANGEABLE
SWITCH,WAVEGUIDE
LM90BUL2X90
1660-01-670-6953INTERCHANGEABLE
HOUSING,AIR OUTLET,AIRCRAFT

Frequently Asked Questions

What is NSN 5985-01-473-4549?

NSN 5985-01-473-4549 is a Switch,waveguide, manufactured by Logus Manufacturing Corp., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-473-4549?

NSN 5985-01-473-4549 has 3 cross-referenced part numbers: 212001 (Rantec Microwave Systems, Inc. Dba Rantec Microwave Systems Inc), LM28BUL2X8 (Logus Manufacturing Corp.), 212001-01 (Rantec Microwave Systems, Inc. Dba Rantec Microwave Systems Inc).

What NSN replaces 5985-01-473-4549?

There are 4 known substitutes for 5985-01-473-4549: 2835-00-654-6720, 5930-01-217-5587, 5985-01-473-4585 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LM28BUL2X8?

Key specifications for LM28BUL2X8: Frequency Rating: 32.6 GIGAHERTZ NOMINAL SINGLE FREQUENCY OPERATING; Material: COPPER ALLOY FLANGE(S); Insertion Loss in Decibels: 0.25 SINGLE; Rf Power Handling Capability: 30.0 WATTS AVERAGE FIRST. 20 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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