PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300037Circulator,radio Frequency

Ryt Industries Inc · NSN 5985-01-387-2083 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-387-2083 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-387-2083. Primary manufacturer part number: 300037.
Features
  • Circulator,radio Frequency — FSC 5985
  • Connection Method: CONNECTOR RECEPTACLE
  • Connector Quantity: 3
  • Insertion Loss in Decibels: 0.5
  • Frequency Range Rating: +2.0 TO 4.0 GIGAHERTZ
  • Controlling Agency: GENERAL DYNAMICS
  • 2 verified cross-references
  • Primary manufacturer: Ryt Industries Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circulator,radio Frequency, cataloged under National Stock Number 5985-01-387-2083, 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 Ryt Industries Inc. Government technical data includes 5 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-387-2083
Primary Part Number300037
Item NameCirculator,radio Frequency
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerRyt Industries Inc
StatusACTIVE
Connection MethodCONNECTOR RECEPTACLE
Connector Quantity3
Insertion Loss in Decibels0.5
Frequency Range Rating+2.0 TO 4.0 GIGAHERTZ
Controlling AgencyGENERAL DYNAMICS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-135-9488BX5113 INTERCHANGEABLE
Transformer,power
Baltimore Transformer Co
6250-00-484-40253742 INTERCHANGEABLE
Lampholder
Bryant Electric
3040-01-198-0955410037-1 INTERCHANGEABLE
Hub,body
Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion
4320-01-503-5398300037 INTERCHANGEABLE
Motor,hydraulic
Mega Corp.
Cross-Reference Index
Part NumberManufacturer
C9398-661 L3harris Technologies, Inc. Dba Harris Div L3harris Technologies Inc Dba Harris Corporation (USA)
300037 PRIMARY Ryt Industries Inc (USA)
Related Parts
5950-00-135-9488INTERCHANGEABLE
TRANSFORMER,POWER
BX5113
6250-00-484-4025INTERCHANGEABLE
LAMPHOLDER
3742
3040-01-198-0955INTERCHANGEABLE
HUB,BODY
410037-1
4320-01-503-5398INTERCHANGEABLE
MOTOR,HYDRAULIC
300037

Frequently Asked Questions

What is NSN 5985-01-387-2083?

NSN 5985-01-387-2083 is a Circulator,radio Frequency, manufactured by Ryt Industries Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-387-2083?

NSN 5985-01-387-2083 has 2 cross-referenced part numbers: C9398-661 (L3harris Technologies, Inc. Dba Harris Div L3harris Technologies Inc Dba Harris Corporation), 300037 (Ryt Industries Inc).

What NSN replaces 5985-01-387-2083?

There are 4 known substitutes for 5985-01-387-2083: 5950-00-135-9488, 6250-00-484-4025, 3040-01-198-0955 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300037?

Key specifications for 300037: Connection Method: CONNECTOR RECEPTACLE; Connector Quantity: 3; Special Features: MATERIAL STEEL OR ALUMINUM; PAINTEDPER FED-STD-595; ISOLATION 17.0 DB MIN; VSWR 1.35 MAX; PWR 50.0 WATTS AVG, 250.0 WATTS PEAK; TEMPERATURE RANGE MINUS 20.0 TO PLUS 85.0 DEG C DEGC; Insertion Loss in Decibels: 0.5. 9 total characteristics are documented in the Federal Logistics Information System.

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