PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9180259Waveguide Assembly

Us Army Aviation and Missile Command · NSN 5985-00-899-1670 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-899-1670 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-899-1670. Primary manufacturer part number: 9180259.
Features
  • Waveguide Assembly — FSC 5985
  • Bend Angle in Deg: 24.0 SINGLE BEND E-PLANE
  • Waveguide Inside Height: 3.245 INCHES MINIMUM AND 3.255 INCHES MAXIMUM IN
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Flexibility: FLEXIBLE SINGLE TUBING SEGMENT
  • Waveguide Longer Offset Distance: 17.813 INCHES NOMINAL IN
  • Material: COPPER ALLOY ALL TUBING SEGMENT AND FLANGE
  • Waveguide Offset Distance: 8.500 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy All Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-899-1670, 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 Us Army Aviation and Missile Command. Government technical data includes 18 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
NSN5985-00-899-1670
Primary Part Number9180259
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Bend Angle in Deg24.0 SINGLE BEND E-PLANE
Waveguide Inside Height3.245 INCHES MINIMUM AND 3.255 INCHES MAXIMUM IN
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
Waveguide Longer Offset Distance17.813 INCHES NOMINAL IN
MaterialCOPPER ALLOY ALL TUBING SEGMENT AND FLANGE
Waveguide Offset Distance8.500 INCHES NOMINAL IN
Flange Connecting Facility and Quantity10 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Surface TreatmentPAINT ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
Surface TreatmentCHROMATE ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES
Flange Connecting Hole Diameter0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN
Tubing Wall Construction StyleCORRUGATED SINGLE TUBING SEGMENT
Waveguide Inside Width6.495 INCHES MINIMUM AND 6.505 INCHES MAXIMUM IN
Operating Pressure15.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
Style DesignatorBEND TYPE
Voltage Standing Wave Ratio1.10
Flange Quantity2
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-371-730548116 INTERCHANGEABLE
Felt,mechanical,preformed
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
4935-00-735-628748116 INTERCHANGEABLE
Guard,motor
Honeywell International Inc. Div Aerospace - Torrance
2805-00-892-5368229603R1 INTERCHANGEABLE
Push Rod,engine Poppet Valve
Navistar Intl Corp Truck Br Ohio Plant
5330-01-070-670212266916 INTERCHANGEABLE
Packing,preformed
U S Army Tank Automotive Command Amsta-Im-Mm
5999-01-166-7484 INTERCHANGEABLE
Contact,electrical
Cross-Reference Index
Part NumberManufacturer
9180259 Raytheon Company (USA)
FG650S Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense (USA)
9180259 PRIMARY Us Army Aviation and Missile Command (USA)
48116 Mega Industries Inc Mega Microwave Div (USA)
9180259 Raytheon Company Div Corp (USA)
9180259 Raytheon Company Dba Raytheon Co (USA)
Related Parts
5330-00-371-7305INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
48116
4935-00-735-6287INTERCHANGEABLE
GUARD,MOTOR
48116
2805-00-892-5368INTERCHANGEABLE
PUSH ROD,ENGINE POPPET VALVE
229603R1
5330-01-070-6702INTERCHANGEABLE
PACKING,PREFORMED
12266916
5999-01-166-7484INTERCHANGEABLE
CONTACT,ELECTRICAL

Frequently Asked Questions

What is NSN 5985-00-899-1670?

NSN 5985-00-899-1670 is a Waveguide Assembly, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-899-1670?

NSN 5985-00-899-1670 has 6 cross-referenced part numbers: 9180259 (Raytheon Company), FG650S (Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense), 9180259 (Us Army Aviation and Missile Command), 48116 (Mega Industries Inc Mega Microwave Div), 9180259 (Raytheon Company Div Corp) and 1 more.

What NSN replaces 5985-00-899-1670?

There are 5 known substitutes for 5985-00-899-1670: 5330-00-371-7305, 4935-00-735-6287, 2805-00-892-5368 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9180259?

Key specifications for 9180259: Bend Angle in Deg: 24.0 SINGLE BEND E-PLANE; Waveguide Inside Height: 3.245 INCHES MINIMUM AND 3.255 INCHES MAXIMUM IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Flexibility: FLEXIBLE SINGLE TUBING SEGMENT. 18 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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