PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MD-025X029Switch,waveguide

Caes Mission Systems Llc · NSN 5985-00-138-9793 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-138-9793 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-138-9793. Primary manufacturer part number: MD-025X029.
Features
  • Switch,waveguide — FSC 5985
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Rf Power Handling Capability: 20.0 WATTS PEAK SINGLE
  • Pole Quantity: 1
  • Voltage Standing Wave Ratio: 1.50 SINGLE
  • Throw Quantity: 2
  • Insertion Loss in Decibels: 0.50 SINGLE
  • Switch Type: NONTRANSFER
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,waveguide, cataloged under National Stock Number 5985-00-138-9793, 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 Caes Mission Systems Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-138-9793
Primary Part NumberMD-025X029
Item NameSwitch,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerCaes Mission Systems Llc
StatusCANCELLED
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Rf Power Handling Capability20.0 WATTS PEAK SINGLE
Pole Quantity1
Voltage Standing Wave Ratio1.50 SINGLE
Throw Quantity2
Insertion Loss in Decibels0.50 SINGLE
Switch TypeNONTRANSFER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4720-00-142-1677 INTERCHANGEABLE
Hose Assembly,metallic
6240-00-196-4505 INTERCHANGEABLE
Lamp,incandescent
5975-00-296-02851483 INTERCHANGEABLE
Stuffing Tube
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5330-00-311-8202 INTERCHANGEABLE
Gasket
5110-00-509-806289-1483 INTERCHANGEABLE
Die,fastener Setting
Morito Scovill Americas, Llc Dba Scovill Manufacturing
2805-00-646-8981120-0400 INTERCHANGEABLE
Strainer,oil Pump
Cummins Power Generation Inc.
5930-00-708-1967010-1483 INTERCHANGEABLE
Switch,control Pane
Ranco Inc Ranco Controls Div
2540-00-737-3311103987R91 INTERCHANGEABLE
Cushion,seat Back,vehicular
Navistar Intl Corp Truck Br Ohio Plant
4140-01-036-3114 INTERCHANGEABLE
Impeller,fan,axial
4920-01-038-08881483 INTERCHANGEABLE
Module,test Drive
National Yiddish Book Center, Inc. Dba National Yiddish Book Center Inc
Cross-Reference Index
Part NumberManufacturer
927066-1B Raytheon Company Dba Raytheon (USA)
927066 Rodelco Electronics Corp Dba Rodelco Electronics Corp (USA)
MD25X11D Caes Mission Systems Llc (USA)
MD-025X029 PRIMARY Caes Mission Systems Llc (USA)
MA8320-2X4D Cobham Advanced Electronic Solutions Inc. (USA)
MA8320-2X4D Cpi Electron Device Business, Inc. (USA)
1483 Rodelco Electronics Corp Dba Rodelco Electronics Corp (USA)
Related Parts
4720-00-142-1677INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
6240-00-196-4505INTERCHANGEABLE
LAMP,INCANDESCENT
5975-00-296-0285INTERCHANGEABLE
STUFFING TUBE
1483
5330-00-311-8202INTERCHANGEABLE
GASKET
5110-00-509-8062INTERCHANGEABLE
DIE,FASTENER SETTING
89-1483
2805-00-646-8981INTERCHANGEABLE
STRAINER,OIL PUMP
120-0400
5930-00-708-1967INTERCHANGEABLE
SWITCH,CONTROL PANE
010-1483
2540-00-737-3311INTERCHANGEABLE
CUSHION,SEAT BACK,VEHICULAR
103987R91
4140-01-036-3114INTERCHANGEABLE
IMPELLER,FAN,AXIAL
4920-01-038-0888INTERCHANGEABLE
MODULE,TEST DRIVE
1483
5975-01-234-0981INTERCHANGEABLE
ELBOW,ELECTRICAL CONDUIT
1483
6515-01-317-6400INTERCHANGEABLE
BAG,OSTOMY
1483

Frequently Asked Questions

What is NSN 5985-00-138-9793?

NSN 5985-00-138-9793 is a Switch,waveguide, manufactured by Caes Mission Systems Llc, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-138-9793?

NSN 5985-00-138-9793 has 7 cross-referenced part numbers: 927066-1B (Raytheon Company Dba Raytheon), 927066 (Rodelco Electronics Corp Dba Rodelco Electronics Corp), MD25X11D (Caes Mission Systems Llc), MD-025X029 (Caes Mission Systems Llc), MA8320-2X4D (Cobham Advanced Electronic Solutions Inc.) and 2 more.

What NSN replaces 5985-00-138-9793?

There are 12 known substitutes for 5985-00-138-9793: 4720-00-142-1677, 6240-00-196-4505, 5975-00-296-0285 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MD-025X029?

Key specifications for MD-025X029: Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC; Overall Length: 3.480 INCHES MINIMUM AND 3.520 INCHES MAXIMUM IN; Overall Width: 2.312 INCHES NOMINAL IN; Rf Power Handling Capability: 20.0 WATTS PEAK SINGLE. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-138-9793 still in active supply?

NSN 5985-00-138-9793 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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