PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17-19182-1Waveguide Assembly

Lockheed Martin Corporation Dba Lockheed Martin Rotary and Mission Systems Div Rms- C6isr · NSN 5985-01-272-4116 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-272-4116 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-272-4116. Primary manufacturer part number: 17-19182-1.
Features
  • Waveguide Assembly — FSC 5985
  • Precious Material: SILVER
  • Flange Inside Width: 0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM ALL FLANGES IN
  • Flange Outside Height: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM ALL FLANGES IN
  • Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT
  • Waveguide Longer Offset Distance: 1.300 INCHES NOMINAL IN
  • Flange Outside Width: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM ALL FLANGES IN
  • Flange Style: CHOKE TYPE ALL FLANGES
Applications
  • Applications requiring Copper Alloy All Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-01-272-4116, 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 Lockheed Martin Corporation Dba Lockheed Martin Rotary and Mission Systems Div Rms- C6isr. Government technical data includes 28 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: Active.

Technical Specifications
ParameterValue
NSN5985-01-272-4116
Primary Part Number17-19182-1
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Rotary and Mission Systems Div Rms- C6isr
StatusACTIVE
Precious MaterialSILVER
Flange Inside Width0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM ALL FLANGES IN
Flange Outside Height0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM ALL FLANGES IN
Tubing Wall Construction StyleSEAMLESS ALL TUBING SEGMENT
Waveguide Longer Offset Distance1.300 INCHES NOMINAL IN
Flange Outside Width0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM ALL FLANGES IN
Flange StyleCHOKE TYPE ALL FLANGES
Thread Class2B ALL FLANGES ALL CONNECTION FACILITIES
Waveguide Outside Width0.360 INCHES NOMINAL IN
Flange Quantity2
Waveguide Inside Height0.140 INCHES NOMINAL IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Style DesignatorBEND TYPE
Insertion Loss in Decibels0.20
FlexibilityRIGID ALL TUBING SEGMENT
Waveguide Outside Height0.220 INCHES NOMINAL IN
Voltage Standing Wave Ratio1.07
MaterialCOPPER ALLOY ALL TUBING SEGMENT AND FLANGE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES
Flange Depth0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM ALL FLANGES IN
Nominal Thread Size0.112 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN
Precious Material and LocationEXTERNAL SURFACES SILVER
Flange Inside Height0.139 INCHES MINIMUM AND 0.141 INCHES MAXIMUM ALL FLANGES IN
Waveguide Inside Width0.280 INCHES NOMINAL IN
Waveguide Offset Distance0.804 INCHES NOMINAL IN
Surface TreatmentSILVER ALL TUBING SEGMENT INSIDE SURFACES
Flange Connecting Facility and Quantity4 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Thread DirectionRIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-01-017-5119 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Cross-Reference Index
Part NumberManufacturer
17-19182-1 Lockheed Martin Corporation Dba Lockheed Martin Rotary and Mission Systems Div Rms- C6isr (USA)
17-19182-1 Textron Systems Corporation Dba Textron Systems Corp (USA)
Related Parts
4730-01-017-5119INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE

Frequently Asked Questions

What is NSN 5985-01-272-4116?

NSN 5985-01-272-4116 is a Waveguide Assembly, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Rotary and Mission Systems Div Rms- C6isr, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-272-4116?

NSN 5985-01-272-4116 has 2 cross-referenced part numbers: 17-19182-1 (Lockheed Martin Corporation Dba Lockheed Martin Rotary and Mission Systems Div Rms- C6isr), 17-19182-1 (Textron Systems Corporation Dba Textron Systems Corp).

What NSN replaces 5985-01-272-4116?

There is 1 known substitute for 5985-01-272-4116: 4730-01-017-5119. Verify interchangeability with system specifications before substitution.

What are the specifications of 17-19182-1?

Key specifications for 17-19182-1: Precious Material: SILVER; Flange Inside Width: 0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM ALL FLANGES IN; Flange Outside Height: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM ALL FLANGES IN; Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT. 28 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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