PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SEM133DSwitch,radio Frequency Transmiss

Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq · NSN 5985-01-394-9906 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-394-9906 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-394-9906. Primary manufacturer part number: SEM133D.
Features
  • Switch,radio Frequency Transmiss — FSC 5985
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S)
  • Switch Type: TRANSFER
  • Voltage Standing Wave Ratio: 1.20 SINGLE
  • Frequency Rating: 18.0 GIGAHERTZ NOMINAL SINGLE FREQUENCY OPERATING
  • Switch Return Mechanism Type: LATCHING
  • Actuator Operating Method: RELAY
  • Pole Quantity: 3
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-394-9906, 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 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-394-9906
Primary Part NumberSEM133D
Item NameSwitch,radio Frequency Transmiss
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNarda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
StatusACTIVE
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Switch TypeTRANSFER
Voltage Standing Wave Ratio1.20 SINGLE
Frequency Rating18.0 GIGAHERTZ NOMINAL SINGLE FREQUENCY OPERATING
Switch Return Mechanism TypeLATCHING
Actuator Operating MethodRELAY
Pole Quantity3
Body StyleCYLINDRICAL W/RECTANGULAR BASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5306-00-144-3706 INTERCHANGEABLE
Bolt,machine
5136-00-239-2770400104 INTERCHANGEABLE
Die,thread Cutting
Greenfield Industries Inc
5340-00-630-4375 INTERCHANGEABLE
Locking Plate,nut and Bolt
2805-00-913-1992 INTERCHANGEABLE
Connecting Rod,piston
5895-01-034-1993138C478H01 INTERCHANGEABLE
Monitor,phase
Northrop Grumman Support Services Corp
4820-01-210-4424400104 INTERCHANGEABLE
Diaphragm,valve,flat
Cmb Industries Febco Div
7330-01-449-23191685-01-11 INTERCHANGEABLE
Jug,insulated
Rubbermaid Inc
4820-01-519-079940010-4 INTERCHANGEABLE
Gear Operator,valve
Morpac Industries, Inc Div Actuator
5365-01-614-3429400104 INTERCHANGEABLE
Spacer,plate
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
Cross-Reference Index
Part NumberManufacturer
400104 Ael Industries Inc Cross Systems Div (USA)
SEM133D PRIMARY Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
Related Parts
5306-00-144-3706INTERCHANGEABLE
BOLT,MACHINE
5136-00-239-2770INTERCHANGEABLE
DIE,THREAD CUTTING
400104
5340-00-630-4375INTERCHANGEABLE
LOCKING PLATE,NUT AND BOLT
2805-00-913-1992INTERCHANGEABLE
CONNECTING ROD,PISTON
5895-01-034-1993INTERCHANGEABLE
MONITOR,PHASE
138C478H01
4820-01-210-4424INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
400104
7330-01-449-2319INTERCHANGEABLE
JUG,INSULATED
1685-01-11
4820-01-519-0799INTERCHANGEABLE
GEAR OPERATOR,VALVE
40010-4
5365-01-614-3429INTERCHANGEABLE
SPACER,PLATE
400104

Frequently Asked Questions

What is NSN 5985-01-394-9906?

NSN 5985-01-394-9906 is a Switch,radio Frequency Transmiss, manufactured by Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-394-9906?

NSN 5985-01-394-9906 has 2 cross-referenced part numbers: 400104 (Ael Industries Inc Cross Systems Div), SEM133D (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq).

What NSN replaces 5985-01-394-9906?

There are 9 known substitutes for 5985-01-394-9906: 5306-00-144-3706, 5136-00-239-2770, 5340-00-630-4375 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SEM133D?

Key specifications for SEM133D: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Switch Type: TRANSFER; Voltage Standing Wave Ratio: 1.20 SINGLE; End Item Identification: DATS. 13 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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