PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8770743-501Waveguide Assembly

Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin · NSN 5985-00-943-8442 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-943-8442 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-943-8442. Primary manufacturer part number: 8770743-501.
Features
  • Waveguide Assembly — FSC 5985
  • Surface Treatment: ANODIZE ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES
  • Voltage Standing Wave Ratio: 1.10
  • Surface Treatment: ENAMEL ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
  • Waveguide Length: 3.583 FEET NOMINAL FT
  • Operating Pressure: 15.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
  • Style Designator: OFFSET BEND TYPE
  • Material: ALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
Applications
  • Applications requiring Aluminum Alloy All Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-943-8442, 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 Div Lockheed Martin. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5985-00-943-8442
Primary Part Number8770743-501
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin
StatusACTIVE
Surface TreatmentANODIZE ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES
Voltage Standing Wave Ratio1.10
Surface TreatmentENAMEL ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
Waveguide Length3.583 FEET NOMINAL FT
Operating Pressure15.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
Style DesignatorOFFSET BEND TYPE
MaterialALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Insertion Loss in Decibels0.10
FlexibilityRIGID SINGLE TUBING SEGMENT
Bend Angle in Deg90.0 ALL BENDS E-PLANE
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6105-00-283-28492392-115-004 INTERCHANGEABLE
Motor,control
Mpc Products Corporation Dba Woodward Mpc, Inc.
1630-00-992-3712116559 INTERCHANGEABLE
Parts Kit,overhaul,
Hydro-Aire Aerospace Corp
5955-01-219-0824 INTERCHANGEABLE
Oscillator,crystal Controlled
Cross-Reference Index
Part NumberManufacturer
8770743-501 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
8770743-501 Wade Antenna Inc Div Taco Antenna (CAN)
116559 Litton Systems Inc Airtron Div (USA)
Related Parts
6105-00-283-2849INTERCHANGEABLE
MOTOR,CONTROL
2392-115-004
1630-00-992-3712INTERCHANGEABLE
PARTS KIT,OVERHAUL,
116559
5955-01-219-0824INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED

Frequently Asked Questions

What is NSN 5985-00-943-8442?

NSN 5985-00-943-8442 is a Waveguide Assembly, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-943-8442?

NSN 5985-00-943-8442 has 3 cross-referenced part numbers: 8770743-501 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 8770743-501 (Wade Antenna Inc Div Taco Antenna), 116559 (Litton Systems Inc Airtron Div).

What NSN replaces 5985-00-943-8442?

There are 3 known substitutes for 5985-00-943-8442: 6105-00-283-2849, 1630-00-992-3712, 5955-01-219-0824. Verify interchangeability with system specifications before substitution.

What are the specifications of 8770743-501?

Key specifications for 8770743-501: Surface Treatment: ANODIZE ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES; Voltage Standing Wave Ratio: 1.10; Surface Treatment: ENAMEL ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES; Waveguide Length: 3.583 FEET NOMINAL FT. 14 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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