PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

128SCAV358-1Waveguide Assembly

Northrop Grumman Systems Corporation · NSN 5985-00-872-6791 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-872-6791 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-872-6791. Primary manufacturer part number: 128SCAV358-1.
Features
  • Waveguide Assembly — FSC 5985
  • Material: RUBBER SILICONE SINGLE TUBING JACKET
  • Flange Outside Height: 1.312 INCHES NOMINAL ALL FLANGES IN
  • Flexibility: FLEXIBLE SINGLE TUBING SEGMENT
  • Waveguide Center to Center Distance: 3.000 INCHES NOMINAL IN
  • Waveguide Inside Width: 0.622 INCHES NOMINAL IN
  • Flange Style: CHOKE TYPE ALL FLANGES
  • Flange Quantity: 2
Applications
  • Applications requiring Rubber Silicone Single Tubing Jacket construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-872-6791, 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 Northrop Grumman Systems Corporation. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-872-6791
Primary Part Number128SCAV358-1
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusCANCELLED
MaterialRUBBER SILICONE SINGLE TUBING JACKET
Flange Outside Height1.312 INCHES NOMINAL ALL FLANGES IN
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
Waveguide Center to Center Distance3.000 INCHES NOMINAL IN
Waveguide Inside Width0.622 INCHES NOMINAL IN
Flange StyleCHOKE TYPE ALL FLANGES
Flange Quantity2
Voltage Standing Wave Ratio1.05
Tubing Wall Construction StyleINTERLOCKED SINGLE TUBING SEGMENT
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Style DesignatorOFFSET BEND TYPE
MaterialALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
Waveguide Outside Height0.391 INCHES NOMINAL IN
Flange Inside Width0.622 INCHES NOMINAL ALL FLANGES IN
Waveguide Outside Width0.702 INCHES NOMINAL IN
Flange Connecting Hole Diameter0.144 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN
Flange Depth0.375 INCHES NOMINAL ALL FLANGES IN
Insertion Loss in Decibels0.25
Flange Inside Diameter1.000 INCHES NOMINAL ALL FLANGES IN
Flange Inside Height0.311 INCHES NOMINAL ALL FLANGES IN
Waveguide Inside Height0.311 INCHES NOMINAL IN
Flange Outside Width1.312 INCHES NOMINAL ALL FLANGES IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5315-00-054-4166450-62 INTERCHANGEABLE
Pin,straight,headless
Lockheed Martin Corporation Div Rms - Mitchel Field
3455-00-194-055258-10078 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5935-00-246-1673307854-001 INTERCHANGEABLE
Connector,receptacle,electrical
L3harris Technologies, Inc.
3040-00-590-614845-062 INTERCHANGEABLE
Clamp,hub
Lockheed Martin Corporation Div Rms - Mitchel Field
5330-01-192-0380N23470 INTERCHANGEABLE
Retainer,packing
Leslie Controls, Inc. Dba Leslie Controls Inc
5330-01-381-9812N45062 INTERCHANGEABLE
Retainer,packing
Leslie Controls, Inc. Dba Leslie Controls Inc
5330-01-396-8052 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
128SCAV358-1 Northrop Grumman Systems Corporation (USA)
128SCAV358-1 PRIMARY Northrop Grumman Systems Corporation (USA)
45062 Mega Industries Inc Mega Microwave Div (USA)
45062 Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense (USA)
TS-57329 Microwave Engineering Corporation (USA)
Related Parts
5315-00-054-4166INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
450-62
3455-00-194-0552INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10078
5935-00-246-1673INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
307854-001
3040-00-590-6148INTERCHANGEABLE
CLAMP,HUB
45-062
5330-01-192-0380INTERCHANGEABLE
RETAINER,PACKING
N23470
5330-01-381-9812INTERCHANGEABLE
RETAINER,PACKING
N45062
5330-01-396-8052INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 5985-00-872-6791?

NSN 5985-00-872-6791 is a Waveguide Assembly, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-872-6791?

NSN 5985-00-872-6791 has 5 cross-referenced part numbers: 128SCAV358-1 (Northrop Grumman Systems Corporation), 128SCAV358-1 (Northrop Grumman Systems Corporation), 45062 (Mega Industries Inc Mega Microwave Div), 45062 (Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense), TS-57329 (Microwave Engineering Corporation).

What NSN replaces 5985-00-872-6791?

There are 7 known substitutes for 5985-00-872-6791: 5315-00-054-4166, 3455-00-194-0552, 5935-00-246-1673 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 128SCAV358-1?

Key specifications for 128SCAV358-1: Material: RUBBER SILICONE SINGLE TUBING JACKET; Flange Outside Height: 1.312 INCHES NOMINAL ALL FLANGES IN; Flexibility: FLEXIBLE SINGLE TUBING SEGMENT; Waveguide Center to Center Distance: 3.000 INCHES NOMINAL IN. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-872-6791 still in active supply?

NSN 5985-00-872-6791 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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