PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S30T50Circulator,radio Fr

E and M Laboratories Div of Trak Microwave Corp · NSN 5865-00-288-1247 · FSC 5865 · No Item Name Available
Verified by PartsTable
NSN 5865-00-288-1247 — this item is cataloged by the U.S. Government under National Stock Number 5865-00-288-1247. Primary manufacturer part number: S30T50.
Features
  • Circulator,radio Fr — FSC 5865
  • 3 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 Circulator,radio Fr, cataloged under National Stock Number 5865-00-288-1247, is classified within Federal Supply Class 5865 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is E and M Laboratories Div of Trak Microwave Corp. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCirculator,radio Fr
FSC / FSG5865 — No Item Name Available (FSG 58)
ManufacturersE and M Laboratories Div of Trak Microwave Corp (CAGE 14135); Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (CAGE 92755)
Technical Specifications
ParameterValue
NSN5865-00-288-1247
Primary Part NumberS30T50
Item NameCirculator,radio Fr
FSC / FSG5865 / 58 — No Item Name Available
ManufacturerE and M Laboratories Div of Trak Microwave Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-01-084-3331 INTERCHANGEABLE
Coil,radio Frequency
4820-01-161-2729 INTERCHANGEABLE
Slide,directional Control Linear
4220-01-237-1605540-042 INTERCHANGEABLE
Adapter
Kirby Morgan Dive Systems Inc
2590-01-286-5770 INTERCHANGEABLE
Bracket,vehicular Components
4820-01-345-5776 INTERCHANGEABLE
Slide,directional Control Linear
6625-01-572-52856850 INTERCHANGEABLE
Calibrator,standing Wave Ratio I
Spectrum Control Inc Div Weinschel
Cross-Reference Index
Part NumberManufacturer
S30T50 PRIMARY E and M Laboratories Div of Trak Microwave Corp (USA)
540042 E and M Laboratories Div of Trak Microwave Corp (USA)
38245 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
Related Parts
5950-01-084-3331INTERCHANGEABLE
COIL,RADIO FREQUENCY
4820-01-161-2729INTERCHANGEABLE
SLIDE,DIRECTIONAL CONTROL LINEAR
4220-01-237-1605INTERCHANGEABLE
ADAPTER
540-042
2590-01-286-5770INTERCHANGEABLE
BRACKET,VEHICULAR COMPONENTS
4820-01-345-5776INTERCHANGEABLE
SLIDE,DIRECTIONAL CONTROL LINEAR
6625-01-572-5285INTERCHANGEABLE
CALIBRATOR,STANDING WAVE RATIO I
6850

Frequently Asked Questions

What is NSN 5865-00-288-1247?

NSN 5865-00-288-1247 is a Circulator,radio Fr, manufactured by E and M Laboratories Div of Trak Microwave Corp, classified under FSC 5865 (No Item Name Available). Status: active.

What are the part numbers for NSN 5865-00-288-1247?

NSN 5865-00-288-1247 has 3 cross-referenced part numbers: S30T50 (E and M Laboratories Div of Trak Microwave Corp), 540042 (E and M Laboratories Div of Trak Microwave Corp), 38245 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp).

What NSN replaces 5865-00-288-1247?

There are 6 known substitutes for 5865-00-288-1247: 5950-01-084-3331, 4820-01-161-2729, 4220-01-237-1605 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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