PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UG-590/UCoupling,waveguide

Joint Electronics Type Designation System · NSN 5985-00-965-6091 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-965-6091 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-965-6091. Primary manufacturer part number: UG-590/U.
Features
  • Coupling,waveguide — FSC 5985
  • Style Designator: ROUND
  • Material: STEEL SINGLE TUBING SEGMENT
  • Coupling Outside Diameter: 2.390 INCHES NOMINAL IN
  • Coupling Overall Depth: 0.480 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Joint Electronics Type Designation System
Applications
  • Applications requiring Steel Single Tubing Segment construction
General Description

The Coupling,waveguide, cataloged under National Stock Number 5985-00-965-6091, 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 Joint Electronics Type Designation System. Government technical data includes 4 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-965-6091
Primary Part NumberUG-590/U
Item NameCoupling,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusCANCELLED
Style DesignatorROUND
MaterialSTEEL SINGLE TUBING SEGMENT
Coupling Outside Diameter2.390 INCHES NOMINAL IN
Coupling Overall Depth0.480 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
2520-00-618-43073419X INTERCHANGEABLE
Sleeve Asy
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
Cross-Reference Index
Part NumberManufacturer
UG-590/U PRIMARY Joint Electronics Type Designation System (USA)
3419X Textron Systems Corporation Dba Textron Systems Corp (USA)
Related Parts
2520-00-618-4307INTERCHANGEABLE
SLEEVE ASY
3419X

Frequently Asked Questions

What is NSN 5985-00-965-6091?

NSN 5985-00-965-6091 is a Coupling,waveguide, manufactured by Joint Electronics Type Designation System, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-965-6091?

NSN 5985-00-965-6091 has 2 cross-referenced part numbers: UG-590/U (Joint Electronics Type Designation System), 3419X (Textron Systems Corporation Dba Textron Systems Corp).

What NSN replaces 5985-00-965-6091?

There is 1 known substitute for 5985-00-965-6091: 2520-00-618-4307. Verify interchangeability with system specifications before substitution.

What are the specifications of UG-590/U?

Key specifications for UG-590/U: Style Designator: ROUND; Material: STEEL SINGLE TUBING SEGMENT; Coupling Outside Diameter: 2.390 INCHES NOMINAL IN; Coupling Overall Depth: 0.480 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-965-6091 still in active supply?

NSN 5985-00-965-6091 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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