PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UG974UWaveguide Assembly

Joint Electronics Type Designation System · NSN 5985-00-049-8704 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-049-8704 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-049-8704. Primary manufacturer part number: UG974U.
Features
  • Waveguide Assembly — FSC 5985
  • Bend Angle in Deg: 90.0 SINGLE BEND E-PLANE
  • Style Designator: BEND TYPE
  • Material: COPPER ALLOY SINGLE TUBING SEGMENT
  • Waveguide Inside Width: 2.840 INCHES NOMINAL IN
  • Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT
  • Waveguide Inside Height: 1.004 INCHES NOMINAL IN
  • Flange Connecting Hole Diameter: 0.390 INCHES NOMINAL ALL FLANGES SINGLE CONNECTION FACILITY IN
Applications
  • Applications requiring Copper Alloy Single Tubing Segment construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-049-8704, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-049-8704
Primary Part NumberUG974U
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusACTIVE
Bend Angle in Deg90.0 SINGLE BEND E-PLANE
Style DesignatorBEND TYPE
MaterialCOPPER ALLOY SINGLE TUBING SEGMENT
Waveguide Inside Width2.840 INCHES NOMINAL IN
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Waveguide Inside Height1.004 INCHES NOMINAL IN
Flange Connecting Hole Diameter0.390 INCHES NOMINAL ALL FLANGES SINGLE CONNECTION FACILITY IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange Connecting Facility and Quantity10 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
Waveguide Outside Height1.164 INCHES NOMINAL IN
Waveguide Outside Width3.000 INCHES NOMINAL IN
FlexibilityRIGID SINGLE TUBING SEGMENT
Flange Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
7050-00-419-8057 INTERCHANGEABLE
Collar,camlever
5331-00-580-65832-014N674-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5310-00-885-9245MF7231-08 INTERCHANGEABLE
Nut,self-Locking,clinch
Howmet Global Fastening Systems Inc
Cross-Reference Index
Part NumberManufacturer
CWS109-5090-9E12 Viking Technologies, Ltd. (USA)
109-1001 Viking Technologies, Ltd. (USA)
L207698-1A Raytheon Company Dba Raytheon Co (USA)
UG974U PRIMARY Joint Electronics Type Designation System (USA)
Related Parts
7050-00-419-8057INTERCHANGEABLE
COLLAR,CAMLEVER
5331-00-580-6583INTERCHANGEABLE
O-RING
2-014N674-70
5310-00-885-9245INTERCHANGEABLE
NUT,SELF-LOCKING,CLINCH
MF7231-08

Frequently Asked Questions

What is NSN 5985-00-049-8704?

NSN 5985-00-049-8704 is a Waveguide Assembly, manufactured by Joint Electronics Type Designation System, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-049-8704?

NSN 5985-00-049-8704 has 4 cross-referenced part numbers: CWS109-5090-9E12 (Viking Technologies, Ltd.), 109-1001 (Viking Technologies, Ltd.), L207698-1A (Raytheon Company Dba Raytheon Co), UG974U (Joint Electronics Type Designation System).

What NSN replaces 5985-00-049-8704?

There are 3 known substitutes for 5985-00-049-8704: 7050-00-419-8057, 5331-00-580-6583, 5310-00-885-9245. Verify interchangeability with system specifications before substitution.

What are the specifications of UG974U?

Key specifications for UG974U: Bend Angle in Deg: 90.0 SINGLE BEND E-PLANE; Style Designator: BEND TYPE; Material: COPPER ALLOY SINGLE TUBING SEGMENT; Waveguide Inside Width: 2.840 INCHES NOMINAL IN. 13 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