PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2665581Adapter,waveguide

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5985-01-005-1722 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-005-1722 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-005-1722. Primary manufacturer part number: 2665581.
Features
  • Adapter,waveguide — FSC 5985
  • Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT
  • Flange Quantity: 1
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Surface Treatment: CHROMATE AND ENAMEL ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
  • Operating Pressure: 10.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
  • Style Designator: WAVEGUIDE TO WAVEGUIDE
  • Material: ALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
Applications
  • Applications requiring Aluminum Alloy All Tubing Segment and Flange construction
General Description

The Adapter,waveguide, cataloged under National Stock Number 5985-01-005-1722, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-005-1722
Primary Part Number2665581
Item NameAdapter,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Quantity1
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Surface TreatmentCHROMATE AND ENAMEL ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
Operating Pressure10.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
Style DesignatorWAVEGUIDE TO WAVEGUIDE
MaterialALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5360-01-317-2127266558-1 INTERCHANGEABLE
Spring,helical,compression
Parker-Hannifin Corporation Dba Control Systems Division
Cross-Reference Index
Part NumberManufacturer
2665581 Raytheon Company (USA)
2665581 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2665581 Raytheon Company Div Corp (USA)
2665581 Raytheon Company Dba Raytheon Co (USA)
Related Parts
5360-01-317-2127INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
266558-1

Frequently Asked Questions

What is NSN 5985-01-005-1722?

NSN 5985-01-005-1722 is a Adapter,waveguide, 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 5985-01-005-1722?

NSN 5985-01-005-1722 has 4 cross-referenced part numbers: 2665581 (Raytheon Company), 2665581 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2665581 (Raytheon Company Div Corp), 2665581 (Raytheon Company Dba Raytheon Co).

What NSN replaces 5985-01-005-1722?

There is 1 known substitute for 5985-01-005-1722: 5360-01-317-2127. Verify interchangeability with system specifications before substitution.

What are the specifications of 2665581?

Key specifications for 2665581: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Quantity: 1; End Item Identification: RADAR SET AN/SPG-51D; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT. 9 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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