PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77C706737P001Waveguide Assembly

Lockheed Martin Corporation Div Rms · NSN 5985-00-796-9824 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-796-9824 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-796-9824. Primary manufacturer part number: 77C706737P001.
Features
  • Waveguide Assembly — FSC 5985
  • Flange Outside Diameter: 5.312 INCHES NOMINAL ALL FLANGES IN
  • Material: ALUMINUM ALLOY SINGLE TUBING SEGMENT
  • Surface Treatment: ENAMEL SINGLE TUBING SEGMENT OUTSIDE SURFACES
  • Operating Pressure: 50.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
  • Flexibility: RIGID SINGLE TUBING SEGMENT
  • Waveguide Height: 6.547 INCHES NOMINAL IN
  • Waveguide Center to Center Distance: 7.000 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy Single Tubing Segment construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-796-9824, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-796-9824
Primary Part Number77C706737P001
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
Flange Outside Diameter5.312 INCHES NOMINAL ALL FLANGES IN
MaterialALUMINUM ALLOY SINGLE TUBING SEGMENT
Surface TreatmentENAMEL SINGLE TUBING SEGMENT OUTSIDE SURFACES
Operating Pressure50.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
FlexibilityRIGID SINGLE TUBING SEGMENT
Waveguide Height6.547 INCHES NOMINAL IN
Waveguide Center to Center Distance7.000 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Connecting Facility and Quantity8 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Flange Inside Height1.340 INCHES NOMINAL ALL FLANGES IN
Thread Quantity Per Inch20 ALL FLANGES ALL CONNECTION FACILITIES
Thread Class2B ALL FLANGES ALL CONNECTION FACILITIES
Bend Angle in Deg90.0 ALL BENDS H-PLANE
Waveguide Outside Height1.500 INCHES NOMINAL IN
Surface TreatmentCHROMATE SINGLE TUBING SEGMENT INSIDE SURFACES
Flange StyleCHOKE TYPE ALL FLANGES
Flange Inside Width2.840 INCHES NOMINAL ALL FLANGES IN
Flange Quantity2
Waveguide Inside Width2.840 INCHES NOMINAL IN
Flange Depth1.250 INCHES NOMINAL ALL FLANGES IN
Style DesignatorDOUBLE BEND TYPE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES
Waveguide Inside Height1.340 INCHES NOMINAL IN
Waveguide Outside Width3.000 INCHES NOMINAL IN
Nominal Thread Size0.250 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4520-00-240-8313 INTERCHANGEABLE
Heater,space,electric
5330-00-310-8866170527 INTERCHANGEABLE
Gasket
Curtiss-Wright Controls, Inc. Div Actuation Division
5998-01-051-218166201 INTERCHANGEABLE
Circuit Card Assembly
Alliant Techsystems Operations Llc Div Defense Electronic Systems
5120-01-093-2260 INTERCHANGEABLE
Screwdriver,flat Tip
4730-01-109-280166201 INTERCHANGEABLE
Adapter,tube
Mcneil Ohio Corp
5950-01-264-881366201 INTERCHANGEABLE
Coil,electrical
Mark Industries
2530-01-411-272912446803 INTERCHANGEABLE
Steering Wheel
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
77C706737P001 PRIMARY Lockheed Martin Corporation Div Rms (USA)
MA66201 Cobham Advanced Electronic Solutions Inc. (USA)
66201 Cobham Advanced Electronic Solutions Inc. (USA)
CG2668FPS Joint Electronics Type Designation System (USA)
Related Parts
4520-00-240-8313INTERCHANGEABLE
HEATER,SPACE,ELECTRIC
5330-00-310-8866INTERCHANGEABLE
GASKET
170527
5998-01-051-2181INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
66201
5120-01-093-2260INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
4730-01-109-2801INTERCHANGEABLE
ADAPTER,TUBE
66201
5950-01-264-8813INTERCHANGEABLE
COIL,ELECTRICAL
66201
2530-01-411-2729INTERCHANGEABLE
STEERING WHEEL
12446803

Frequently Asked Questions

What is NSN 5985-00-796-9824?

NSN 5985-00-796-9824 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 5985-00-796-9824?

NSN 5985-00-796-9824 has 4 cross-referenced part numbers: 77C706737P001 (Lockheed Martin Corporation Div Rms), MA66201 (Cobham Advanced Electronic Solutions Inc.), 66201 (Cobham Advanced Electronic Solutions Inc.), CG2668FPS (Joint Electronics Type Designation System).

What NSN replaces 5985-00-796-9824?

There are 7 known substitutes for 5985-00-796-9824: 4520-00-240-8313, 5330-00-310-8866, 5998-01-051-2181 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77C706737P001?

Key specifications for 77C706737P001: Flange Outside Diameter: 5.312 INCHES NOMINAL ALL FLANGES IN; Material: ALUMINUM ALLOY SINGLE TUBING SEGMENT; Surface Treatment: ENAMEL SINGLE TUBING SEGMENT OUTSIDE SURFACES; Operating Pressure: 50.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS. 27 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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