PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11840Switch,radio Frequency Transmiss

Dow-Key Microwave Llc · NSN 5985-00-879-4312 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-879-4312 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-879-4312. Primary manufacturer part number: 11840.
Features
  • Switch,radio Frequency Transmiss — FSC 5985
  • 4 verified cross-references
  • Primary manufacturer: Dow-Key Microwave Llc
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-879-4312, 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 Dow-Key Microwave Llc. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSwitch,radio Frequency Transmiss
FSC / FSG5985 — No Item Name Available (FSG 59)
ManufacturersDow-Key Microwave Llc (CAGE 00471); K&l Microwave Llc (CAGE 50140); Raytheon Company Dba Raytheon Co (CAGE 06845); Fisica Applied Technologies, Inc. Div Datron Advanced Technologies (CAGE 82152)
Technical Specifications
ParameterValue
NSN5985-00-879-4312
Primary Part Number11840
Item NameSwitch,radio Frequency Transmiss
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerDow-Key Microwave Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3455-00-189-9157 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
5950-00-272-7334986139-2B INTERCHANGEABLE
Transformer,pulse
Raytheon Company Dba Raytheon
1630-00-719-552011840 INTERCHANGEABLE
Valve,alighting Gea
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5905-00-989-4408RS2-223H INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Vishay Dale Electronics, Llc Div Vishay Americas
4820-01-210-698497404-01G INTERCHANGEABLE
Retainer,disk,valve
Griswold Industries Dba Cla-Val Co
4820-01-210-702481895E INTERCHANGEABLE
Disk,valve
Griswold Industries Dba Cla-Val Co
4820-01-210-966397405-01D INTERCHANGEABLE
Stem,fluid Valve
Griswold Industries Dba Cla-Val Co
8030-01-295-4918 INTERCHANGEABLE
Caulking Compound
5340-01-367-91357-300-000998 INTERCHANGEABLE
Clamp,loop
Grove U.s. Llc Dba Grove Us Llc
5310-01-420-880411840 INTERCHANGEABLE
Washer,flat
Munters Corporation Dba Munters Des Champs Products Div Cargocaire
Cross-Reference Index
Part NumberManufacturer
11840 PRIMARY Dow-Key Microwave Llc (USA)
11840 K&l Microwave Llc (USA)
L676446-1 Raytheon Company Dba Raytheon Co (USA)
11840 Fisica Applied Technologies, Inc. Div Datron Advanced Technologies (USA)
Related Parts
3455-00-189-9157INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
5950-00-272-7334INTERCHANGEABLE
TRANSFORMER,PULSE
986139-2B
1630-00-719-5520INTERCHANGEABLE
VALVE,ALIGHTING GEA
11840
5905-00-989-4408INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
RS2-223H
4820-01-210-6984INTERCHANGEABLE
RETAINER,DISK,VALVE
97404-01G
4820-01-210-7024INTERCHANGEABLE
DISK,VALVE
81895E
4820-01-210-9663INTERCHANGEABLE
STEM,FLUID VALVE
97405-01D
8030-01-295-4918INTERCHANGEABLE
CAULKING COMPOUND
5340-01-367-9135INTERCHANGEABLE
CLAMP,LOOP
7-300-000998
5310-01-420-8804INTERCHANGEABLE
WASHER,FLAT
11840

Frequently Asked Questions

What is NSN 5985-00-879-4312?

NSN 5985-00-879-4312 is a Switch,radio Frequency Transmiss, manufactured by Dow-Key Microwave Llc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-879-4312?

NSN 5985-00-879-4312 has 4 cross-referenced part numbers: 11840 (Dow-Key Microwave Llc), 11840 (K&l Microwave Llc), L676446-1 (Raytheon Company Dba Raytheon Co), 11840 (Fisica Applied Technologies, Inc. Div Datron Advanced Technologies).

What NSN replaces 5985-00-879-4312?

There are 10 known substitutes for 5985-00-879-4312: 3455-00-189-9157, 5950-00-272-7334, 1630-00-719-5520 and 7 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com