PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

790-2Waveguide Assembly

Waveline Inc · NSN 5985-01-062-2091 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-062-2091 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-062-2091. Primary manufacturer part number: 790-2.
Features
  • Waveguide Assembly — FSC 5985
  • Flange Quantity: 2
  • Waveguide Inside Height: 0.309 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
  • Waveguide Inside Width: 0.620 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
  • Waveguide Outside Width: 0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN
  • Flange Connecting Facility and Quantity: 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
  • Waveguide Outside Height: 0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN
  • Flange Style: COVER TYPE ALL FLANGES
Applications
  • Applications requiring Copper Alloy All Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-01-062-2091, 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 Waveline Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-062-2091
Primary Part Number790-2
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerWaveline Inc
StatusACTIVE
Flange Quantity2
Waveguide Inside Height0.309 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
Waveguide Inside Width0.620 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Waveguide Outside Width0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Waveguide Outside Height0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN
Flange StyleCOVER TYPE ALL FLANGES
Flange Inside Height0.394 INCHES MINIMUM AND 0.396 INCHES MAXIMUM ALL FLANGES IN
Style DesignatorSTRAIGHT TYPE
Waveguide Length6.000 INCHES NOMINAL IN
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Flange Depth0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM ALL FLANGES IN
Flange Inside Width0.705 INCHES MINIMUM AND 0.707 INCHES MAXIMUM ALL FLANGES IN
FlexibilityRIGID SINGLE TUBING SEGMENT
Flange Outside Width1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM ALL FLANGES IN
Flange Outside Height1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM ALL FLANGES IN
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Connecting Hole Diameter0.144 INCHES MINIMUM AND 0.147 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN
MaterialCOPPER ALLOY ALL TUBING SEGMENT AND FLANGE
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-144-8589 INTERCHANGEABLE
Bearing,ball,annular
6532-00-192-75394216 INTERCHANGEABLE
Cap,operating,surgical
Johnson and Johnson Medical Inc Sub of Johnson and Johnson
5905-00-195-42957902 INTERCHANGEABLE
Resistor,fixed,wire Wound
Triplett (bluffton) Corporation Dba Lfe Instruments
2825-00-218-60457902 INTERCHANGEABLE
Spindle,governor
Northrop Grumman Systems Corporation Div Marine Systems
5977-00-245-07327902 INTERCHANGEABLE
Brush,electrical Contact
Prestolite Electric Inc
5340-00-310-4871J5572-52 INTERCHANGEABLE
Mount,resilient,utility
Lord Corporation Dba Lord Corp
5915-00-375-2206 INTERCHANGEABLE
Filter,band Pass
5325-01-019-895826R2-5 INTERCHANGEABLE
Receptacle,turnlock Fastener
Howmet Global Fastening Systems Inc Div Camloc Products
4510-01-063-7674 INTERCHANGEABLE
Valve and Riser,tank
6620-01-234-10447-902 INTERCHANGEABLE
Gage,pressure,dial Indicating
Standard Motor Products
Cross-Reference Index
Part NumberManufacturer
790-2 PRIMARY Waveline Inc (USA)
Related Parts
3110-00-144-8589INTERCHANGEABLE
BEARING,BALL,ANNULAR
6532-00-192-7539INTERCHANGEABLE
CAP,OPERATING,SURGICAL
4216
5905-00-195-4295INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
7902
2825-00-218-6045INTERCHANGEABLE
SPINDLE,GOVERNOR
7902
5977-00-245-0732INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
7902
5340-00-310-4871INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
J5572-52
5915-00-375-2206INTERCHANGEABLE
FILTER,BAND PASS
5325-01-019-8958INTERCHANGEABLE
RECEPTACLE,TURNLOCK FASTENER
26R2-5
4510-01-063-7674INTERCHANGEABLE
VALVE AND RISER,TANK
6620-01-234-1044INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
7-902
4240-01-250-8312INTERCHANGEABLE
RESPIRATOR,AIR FILTERING
7902-10
4010-01-494-8139INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
79-02

Frequently Asked Questions

What is NSN 5985-01-062-2091?

NSN 5985-01-062-2091 is a Waveguide Assembly, manufactured by Waveline Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-062-2091?

NSN 5985-01-062-2091 has 1 cross-referenced part number: 790-2 (Waveline Inc).

What NSN replaces 5985-01-062-2091?

There are 12 known substitutes for 5985-01-062-2091: 3110-00-144-8589, 6532-00-192-7539, 5905-00-195-4295 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 790-2?

Key specifications for 790-2: Flange Quantity: 2; Waveguide Inside Height: 0.309 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN; Waveguide Inside Width: 0.620 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Waveguide Outside Width: 0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN. 20 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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