PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2187027Waveguide Assembly

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5985-01-029-7047 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-029-7047 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-029-7047. Primary manufacturer part number: 2187027.
Features
  • Waveguide Assembly — FSC 5985
  • Waveguide Outside Diameter: 3.625 INCHES NOMINAL IN
  • Bend Angle in Deg: 90.0 SINGLE BEND H-PLANE
  • Material: ALUMINUM ALL TUBING SEGMENT AND FLANGE
  • Flange Inside Width: 2.002 INCHES NOMINAL ALL FLANGES IN
  • Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT
  • Flange Outside Diameter: 3.625 INCHES NOMINAL ALL FLANGES IN
  • Flange Quantity: 2
Applications
  • Applications requiring Aluminum All Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-01-029-7047, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-029-7047
Primary Part Number2187027
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Waveguide Outside Diameter3.625 INCHES NOMINAL IN
Bend Angle in Deg90.0 SINGLE BEND H-PLANE
MaterialALUMINUM ALL TUBING SEGMENT AND FLANGE
Flange Inside Width2.002 INCHES NOMINAL ALL FLANGES IN
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Outside Diameter3.625 INCHES NOMINAL ALL FLANGES IN
Flange Quantity2
Flange Connecting Hole Diameter0.199 INCHES NOMINAL ALL FLANGES SINGLE CONNECTION FACILITY IN
Flange Depth0.375 INCHES NOMINAL ALL FLANGES IN
MaterialRUBBER SYNTHETIC SINGLE TUBING JACKET
Flange Connecting Facility and Quantity8 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
Waveguide Inside Width2.002 INCHES NOMINAL IN
Precious MaterialSILVER
Style DesignatorBEND TYPE
Flange StyleCOVER TYPE ALL FLANGES
Waveguide Longer Offset Distance12.375 INCHES NOMINAL IN
Surface TreatmentSILVER SINGLE TUBING SEGMENT INSIDE SURFACES
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
Flange Inside Height1.002 INCHES NOMINAL ALL FLANGES IN
Precious Material and LocationTUBING INTERNAL SURFACE SILVER
Waveguide Offset Distance4.625 INCHES NOMINAL IN
Waveguide Inside Height0.501 INCHES NOMINAL IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, ROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2530-00-591-3099222008-4D INTERCHANGEABLE
Brake Lining Kit
Universal Friction Composites Vices Inc Dba Universal Friction Composites
1680-00-679-203311213-1 INTERCHANGEABLE
Tube,torque,recline
B/e Aerospace Inc Dba Interturbine
5915-01-038-3885 INTERCHANGEABLE
Filter,band Pass
5330-01-331-6007661405 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Wiggins Lift Co Inc
1660-01-583-6723102968 INTERCHANGEABLE
Kit,tools,phods Maintenance
Aqualung Usa, Inc
Cross-Reference Index
Part NumberManufacturer
102968 Frontgrade Technologies Inc. (USA)
2187027 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
47174 Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense (USA)
102968 Litton Systems Inc Airtron Div (USA)
47174 Mega Industries Inc Mega Microwave Div (USA)
MC-187021 Microtech Inc Dba Microtech Inc (USA)
Related Parts
2530-00-591-3099INTERCHANGEABLE
BRAKE LINING KIT
222008-4D
1680-00-679-2033INTERCHANGEABLE
TUBE,TORQUE,RECLINE
11213-1
5915-01-038-3885INTERCHANGEABLE
FILTER,BAND PASS
5330-01-331-6007INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
661405
1660-01-583-6723INTERCHANGEABLE
KIT,TOOLS,PHODS MAINTENANCE
102968

Frequently Asked Questions

What is NSN 5985-01-029-7047?

NSN 5985-01-029-7047 is a Waveguide Assembly, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-029-7047?

NSN 5985-01-029-7047 has 6 cross-referenced part numbers: 102968 (Frontgrade Technologies Inc.), 2187027 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 47174 (Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense), 102968 (Litton Systems Inc Airtron Div), 47174 (Mega Industries Inc Mega Microwave Div) and 1 more.

What NSN replaces 5985-01-029-7047?

There are 5 known substitutes for 5985-01-029-7047: 2530-00-591-3099, 1680-00-679-2033, 5915-01-038-3885 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2187027?

Key specifications for 2187027: Waveguide Outside Diameter: 3.625 INCHES NOMINAL IN; Bend Angle in Deg: 90.0 SINGLE BEND H-PLANE; Material: ALUMINUM ALL TUBING SEGMENT AND FLANGE; Flange Inside Width: 2.002 INCHES NOMINAL ALL FLANGES IN. 23 total characteristics are documented in the Federal Logistics Information System.

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