PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S11PSIsolator,radio Frequency Reflect

E and M Laboratories Div of Trak Microwave Corp · NSN 5985-00-439-3536 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-439-3536 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-439-3536. Primary manufacturer part number: S11PS.
Features
  • Isolator,radio Frequency Reflect — FSC 5985
  • Frequency Range Rating: +2.0 TO 4.0 GIGAHERTZ
  • Overall Diameter: 2.125 INCHES NOMINAL IN
  • FSC Application Data: WAVEGUIDE
  • 4 verified cross-references
  • Primary manufacturer: E and M Laboratories Div of Trak Microwave Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-00-439-3536, 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 E and M Laboratories Div of Trak Microwave Corp. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-439-3536
Primary Part NumberS11PS
Item NameIsolator,radio Frequency Reflect
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerE and M Laboratories Div of Trak Microwave Corp
StatusCANCELLED
Frequency Range Rating+2.0 TO 4.0 GIGAHERTZ
Overall Diameter2.125 INCHES NOMINAL IN
FSC Application DataWAVEGUIDE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5940-00-435-5672DS17 INTERCHANGEABLE
Splice,conductor
Dossert Corp
5940-00-894-1137 INTERCHANGEABLE
Splice,conductor
Cross-Reference Index
Part NumberManufacturer
S30S 3dbm Co Inc (USA)
STH2051N Pamtech Inc (USA)
S11PS PRIMARY E and M Laboratories Div of Trak Microwave Corp (USA)
CO-331-2.4 Astro Microwave Inc (USA)
Related Parts
5940-00-435-5672INTERCHANGEABLE
SPLICE,CONDUCTOR
DS17
5940-00-894-1137INTERCHANGEABLE
SPLICE,CONDUCTOR

Frequently Asked Questions

What is NSN 5985-00-439-3536?

NSN 5985-00-439-3536 is a Isolator,radio Frequency Reflect, manufactured by E and M Laboratories Div of Trak Microwave Corp, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-439-3536?

NSN 5985-00-439-3536 has 4 cross-referenced part numbers: S30S (3dbm Co Inc), STH2051N (Pamtech Inc), S11PS (E and M Laboratories Div of Trak Microwave Corp), CO-331-2.4 (Astro Microwave Inc).

What NSN replaces 5985-00-439-3536?

There are 2 known substitutes for 5985-00-439-3536: 5940-00-435-5672, 5940-00-894-1137. Verify interchangeability with system specifications before substitution.

What are the specifications of S11PS?

Key specifications for S11PS: Frequency Range Rating: +2.0 TO 4.0 GIGAHERTZ; Overall Diameter: 2.125 INCHES NOMINAL IN; Overall Length: 7.812 INCHES NOMINAL IN; FSC Application Data: WAVEGUIDE. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-439-3536 still in active supply?

NSN 5985-00-439-3536 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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