PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

755076-3Waveguide Assembly

Lockheed Martin Corp · NSN 5985-00-802-6655 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-802-6655 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-802-6655. Primary manufacturer part number: 755076-3.
Features
  • Waveguide Assembly — FSC 5985
  • Flange Connecting Facility and Quantity: 4 UNTHREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES
  • Style Designator: OFFSET BEND TYPE
  • Waveguide Inside Height: 0.400 INCHES NOMINAL IN
  • Nominal Thread Size: 0.164 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN
  • Flange Style: COVER TYPE SECOND FLANGE
  • Waveguide Center to Center Distance: 2.068 FEET NOMINAL FT
  • Waveguide Inside Width: 0.900 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy Single Tubing Segment construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-802-6655, 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 Corp. Government technical data includes 30 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
NSN5985-00-802-6655
Primary Part Number755076-3
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES
Style DesignatorOFFSET BEND TYPE
Waveguide Inside Height0.400 INCHES NOMINAL IN
Nominal Thread Size0.164 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN
Flange StyleCOVER TYPE SECOND FLANGE
Waveguide Center to Center Distance2.068 FEET NOMINAL FT
Waveguide Inside Width0.900 INCHES NOMINAL IN
Surface TreatmentCHROMATE SINGLE TUBING SEGMENT ALL SURFACES
Waveguide Length3.123 FEET NOMINAL FT
Operating Pressure15.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
Waveguide Outside Height0.500 INCHES NOMINAL IN
MaterialALUMINUM ALLOY SINGLE TUBING SEGMENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) FIRST FLANGE ALL CONNECTION FACILITIES
FlexibilityRIGID SINGLE TUBING SEGMENT
Voltage Standing Wave Ratio1.10
Thread Class2B FIRST FLANGE ALL CONNECTION FACILITIES
Thread Quantity Per Inch32 FIRST FLANGE ALL CONNECTION FACILITIES
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Inside Width0.900 INCHES NOMINAL FIRST FLANGE IN
Flange Depth0.438 INCHES NOMINAL FIRST FLANGE IN
Flange Depth0.438 INCHES NOMINAL SECOND FLANGE IN
Flange Inside Diameter0.909 INCHES NOMINAL FIRST FLANGE IN
Flange StyleCHOKE TYPE FIRST FLANGE
Thread DirectionRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES
Flange Outside Width1.625 INCHES NOMINAL SECOND FLANGE IN
Flange Outside Height1.625 INCHES NOMINAL SECOND FLANGE IN
Insertion Loss in Decibels0.50
Flange Quantity2
Flange Connecting Facility and Quantity4 THREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES
Flange Outside Height1.625 INCHES NOMINAL FIRST FLANGE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1660-00-348-1450105996 INTERCHANGEABLE
Gland,air Shutoff B
Meggitt North Hollywood Inc
5307-00-496-2582202941 INTERCHANGEABLE
Stud,plain
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
4130-00-936-5283B34087 INTERCHANGEABLE
Filter Element,air Conditioning
Farr Co
6145-01-570-2596755076-3 INTERCHANGEABLE
Cable,radio Frequency
Northrop Grumman Systems Corporation
1730-01-582-731120294-1 INTERCHANGEABLE
Trailer,rail Type
Knight Aerospace Products, Inc.
Cross-Reference Index
Part NumberManufacturer
E519A01 Axillon Aerospace (baltimore) Inc. (USA)
105996 Litton Systems Inc Airtron Div (USA)
202941 Microtech Inc Dba Microtech Inc (USA)
TR64917 Microwave Engineering Corporation (USA)
E519A01 Atlantic Microwave Corporation Div Cobham Electronic Systems (USA)
755076-3 PRIMARY Lockheed Martin Corp (USA)
Related Parts
1660-00-348-1450INTERCHANGEABLE
GLAND,AIR SHUTOFF B
105996
5307-00-496-2582INTERCHANGEABLE
STUD,PLAIN
202941
4130-00-936-5283INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
B34087
6145-01-570-2596INTERCHANGEABLE
CABLE,RADIO FREQUENCY
755076-3
1730-01-582-7311INTERCHANGEABLE
TRAILER,RAIL TYPE
20294-1

Frequently Asked Questions

What is NSN 5985-00-802-6655?

NSN 5985-00-802-6655 is a Waveguide Assembly, manufactured by Lockheed Martin Corp, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-802-6655?

NSN 5985-00-802-6655 has 6 cross-referenced part numbers: E519A01 (Axillon Aerospace (baltimore) Inc.), 105996 (Litton Systems Inc Airtron Div), 202941 (Microtech Inc Dba Microtech Inc), TR64917 (Microwave Engineering Corporation), E519A01 (Atlantic Microwave Corporation Div Cobham Electronic Systems) and 1 more.

What NSN replaces 5985-00-802-6655?

There are 5 known substitutes for 5985-00-802-6655: 1660-00-348-1450, 5307-00-496-2582, 4130-00-936-5283 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 755076-3?

Key specifications for 755076-3: Flange Connecting Facility and Quantity: 4 UNTHREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES; Style Designator: OFFSET BEND TYPE; Waveguide Inside Height: 0.400 INCHES NOMINAL IN; Nominal Thread Size: 0.164 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN. 30 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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