PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1638-1Switch,radio Frequency Transmiss

General Microwave Corporation Div Kratos Microwave Electronics · NSN 5985-01-187-2819 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-187-2819 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-187-2819. Primary manufacturer part number: 1638-1.
Features
  • Switch,radio Frequency Transmiss — FSC 5985
  • Pole Quantity: 1
  • Switch Type: NONTRANSFER
  • Throw Quantity: 2
  • Operating Temp Range: -54.0 TO 105.0 CELSIUS DEGC
  • 10 verified cross-references
  • Primary manufacturer: General Microwave Corporation Div Kratos Microwave Electronics
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-187-2819, 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 General Microwave Corporation Div Kratos Microwave Electronics. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-01-187-2819
Primary Part Number1638-1
Item NameSwitch,radio Frequency Transmiss
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerGeneral Microwave Corporation Div Kratos Microwave Electronics
StatusCANCELLED
Pole Quantity1
Switch TypeNONTRANSFER
Throw Quantity2
Operating Temp Range-54.0 TO 105.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5360-00-138-441716381 INTERCHANGEABLE
Spring,helical,compression
Mission Systems Orchard Park Inc
5330-00-290-989110-40450-18 INTERCHANGEABLE
Gasket
Amphenol Corp Div Amphenol Aerospace Operations
2910-00-409-88794059276-8 INTERCHANGEABLE
Parts Kit,fuel Injector,diesel E
Agco Corp Parts Opn
6665-00-586-6708DN16381 INTERCHANGEABLE
Harness,carrying in
Mine Safety Appliances Company
9540-01-388-1948 INTERCHANGEABLE
Angle,structural
5330-01-429-4859K-16381 INTERCHANGEABLE
Gasket
Natco/carlton Lp
Cross-Reference Index
Part NumberManufacturer
312052-301 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
MT8632-71A Skyworks Solutions, Inc. (USA)
312052-101 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
312052-201 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
1638-1 PRIMARY General Microwave Corporation Div Kratos Microwave Electronics (USA)
312052-001 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
312052-201 General Microwave Corporation Div Kratos Microwave Electronics (USA)
MW-122TN-LRL-052-1 Elbit Systems Ew and Sigint Elisraltd. Dba Electronic Equipment Manufacturer Div Microwave Division (ISR)
312052-101 Skyworks Solutions, Inc. (USA)
MW-122TN-LRL-052-1 Elbit Systems Ew and Sigint- Elisra Ltd (ISR)
Related Parts
5360-00-138-4417INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
16381
5330-00-290-9891INTERCHANGEABLE
GASKET
10-40450-18
2910-00-409-8879INTERCHANGEABLE
PARTS KIT,FUEL INJECTOR,DIESEL E
4059276-8
6665-00-586-6708INTERCHANGEABLE
HARNESS,CARRYING IN
DN16381
9540-01-388-1948INTERCHANGEABLE
ANGLE,STRUCTURAL
5330-01-429-4859INTERCHANGEABLE
GASKET
K-16381

Frequently Asked Questions

What is NSN 5985-01-187-2819?

NSN 5985-01-187-2819 is a Switch,radio Frequency Transmiss, manufactured by General Microwave Corporation Div Kratos Microwave Electronics, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-01-187-2819?

NSN 5985-01-187-2819 has 10 cross-referenced part numbers: 312052-301 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), MT8632-71A (Skyworks Solutions, Inc.), 312052-101 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 312052-201 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 1638-1 (General Microwave Corporation Div Kratos Microwave Electronics) and 5 more.

What NSN replaces 5985-01-187-2819?

There are 6 known substitutes for 5985-01-187-2819: 5360-00-138-4417, 5330-00-290-9891, 2910-00-409-8879 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1638-1?

Key specifications for 1638-1: Pole Quantity: 1; Overall Width: 1.000 INCHES NOMINAL IN; Switch Type: NONTRANSFER; Throw Quantity: 2. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-01-187-2819 still in active supply?

NSN 5985-01-187-2819 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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