PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7441065Waveguide Assembly

Lockheed Martin Corporation Div Rms · NSN 5985-00-538-4957 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-538-4957 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-538-4957. Primary manufacturer part number: 7441065.
Features
  • Waveguide Assembly — FSC 5985
  • Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
  • Material: COPPER ALLOY SINGLE TUBING SEGMENT
  • Flange Depth: 0.750 INCHES NOMINAL ALL FLANGES IN
  • Flange Connecting Facility and Quantity: 8 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
  • Flange Quantity: 2
  • Waveguide Inside Width: 2.840 INCHES NOMINAL IN
  • Waveguide Offset Distance: 1.365 FEET NOMINAL FT
Applications
  • Applications requiring Copper Alloy Single Tubing Segment construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-538-4957, 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 Div Rms. Government technical data includes 22 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-538-4957
Primary Part Number7441065
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
MaterialCOPPER ALLOY SINGLE TUBING SEGMENT
Flange Depth0.750 INCHES NOMINAL ALL FLANGES IN
Flange Connecting Facility and Quantity8 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
Flange Quantity2
Waveguide Inside Width2.840 INCHES NOMINAL IN
Waveguide Offset Distance1.365 FEET NOMINAL FT
Surface TreatmentSILVER ALL TUBING SEGMENT AND FLANGE ALL SURFACES
Waveguide Outside Height1.500 INCHES NOMINAL IN
Voltage Standing Wave Ratio1.05
Flange Connecting Hole Diameter0.281 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN
Flange StyleCOVER TYPE ALL FLANGES
Precious MaterialSILVER
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
Waveguide Outside Width3.000 INCHES NOMINAL IN
Flange Outside Diameter5.312 INCHES NOMINAL ALL FLANGES IN
Style DesignatorBEND TYPE
Flange Inside Width3.002 INCHES NOMINAL ALL FLANGES IN
Waveguide Longer Offset Distance1.405 FEET NOMINAL FT
Precious Material and LocationFLANGE SURFACE SILVER
Bend Angle in Deg90.0 SINGLE BEND H-PLANE
Waveguide Inside Height1.340 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2530-00-318-0734A14740 INTERCHANGEABLE
Hub Assy
Am General Llc
3110-00-689-948947-23-5 INTERCHANGEABLE
Bearing,ball,annular
Curtiss-Wright Controls Integrated Sensing, Inc.
2910-01-123-038747230 INTERCHANGEABLE
Pump,fuel Lift
Viking Incorporated Dba Viking Inc
6210-01-384-5071 INTERCHANGEABLE
Light,indicator
6625-01-418-69734723-5 INTERCHANGEABLE
Probe,test
Fluke Electronics Corp
Cross-Reference Index
Part NumberManufacturer
7441065 PRIMARY Lockheed Martin Corporation Div Rms (USA)
47235 Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense (USA)
Related Parts
2530-00-318-0734INTERCHANGEABLE
HUB ASSY
A14740
3110-00-689-9489INTERCHANGEABLE
BEARING,BALL,ANNULAR
47-23-5
2910-01-123-0387INTERCHANGEABLE
PUMP,FUEL LIFT
47230
6210-01-384-5071INTERCHANGEABLE
LIGHT,INDICATOR
6625-01-418-6973INTERCHANGEABLE
PROBE,TEST
4723-5

Frequently Asked Questions

What is NSN 5985-00-538-4957?

NSN 5985-00-538-4957 is a Waveguide Assembly, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-538-4957?

NSN 5985-00-538-4957 has 2 cross-referenced part numbers: 7441065 (Lockheed Martin Corporation Div Rms), 47235 (Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense).

What NSN replaces 5985-00-538-4957?

There are 5 known substitutes for 5985-00-538-4957: 2530-00-318-0734, 3110-00-689-9489, 2910-01-123-0387 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7441065?

Key specifications for 7441065: Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR; Material: COPPER ALLOY SINGLE TUBING SEGMENT; Flange Depth: 0.750 INCHES NOMINAL ALL FLANGES IN; Flange Connecting Facility and Quantity: 8 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY. 22 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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