PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

933D055519Adapter,waveguide

L3 Technologies, Inc. Div L3 Keo · NSN 5985-01-099-2660 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-099-2660 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-099-2660. Primary manufacturer part number: 933D055519.
Features
  • Adapter,waveguide — FSC 5985
  • Flange Depth: 0.225 INCHES MINIMUM AND 0.225 INCHES MINIMUM AND 0.250 INCHES MAXIMUM SECOND FLANGE0.250 INCHES MAXIMUM SECOND FLANGE IN
  • Flange Outside Height: 0.430 INCHES NOMINAL FIRST FLANGE0.430 INCHES NOMINAL FIRST FLANGE IN
  • Flange Outside Width: 1.438 INCHES NOMINAL SECOND FLANGE1.438 INCHES NOMINAL SECOND FLANGE IN
  • Supplementary Features: 8.0 TO 18.0 GHZ FREQ RANGE8.0 TO 18.0 GHZ FREQ RANGE GHz
  • Flange Outside Height: 0.530 INCHES NOMINAL SECOND FLANGE0.530 INCHES NOMINAL SECOND FLANGE IN
  • Style Designator: WAVEGUIDE TO WAVEGUIDEWAVEGUIDE TO WAVEGUIDE
  • Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENTSEAMLESS SINGLE TUBING SEGMENT
Applications
  • Applications requiring Copper All Tubing Segment and Flange construction
General Description

The Adapter,waveguide, cataloged under National Stock Number 5985-01-099-2660, 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 L3 Technologies, Inc. Div L3 Keo. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-099-2660
Primary Part Number933D055519
Item NameAdapter,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3 Keo
StatusACTIVE
Flange Depth0.225 INCHES MINIMUM AND 0.225 INCHES MINIMUM AND 0.250 INCHES MAXIMUM SECOND FLANGE0.250 INCHES MAXIMUM SECOND FLANGE IN
Flange Outside Height0.430 INCHES NOMINAL FIRST FLANGE0.430 INCHES NOMINAL FIRST FLANGE IN
Flange Outside Width1.438 INCHES NOMINAL SECOND FLANGE1.438 INCHES NOMINAL SECOND FLANGE IN
Supplementary Features8.0 TO 18.0 GHZ FREQ RANGE8.0 TO 18.0 GHZ FREQ RANGE GHz
Flange Outside Height0.530 INCHES NOMINAL SECOND FLANGE0.530 INCHES NOMINAL SECOND FLANGE IN
Style DesignatorWAVEGUIDE TO WAVEGUIDEWAVEGUIDE TO WAVEGUIDE
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENTSEAMLESS SINGLE TUBING SEGMENT
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIP.ANTENNAS,WAVEGUIDES,AND RELATED EQUIP.
Flange Depth0.360 INCHES MINIMUM AND 0.360 INCHES MINIMUM AND 0.385 INCHES MAXIMUM FIRST FLANGE0.385 INCHES MAXIMUM FIRST FLANGE IN
Adapter Length3.950 INCHES MINIMUM AND 3.950 INCHES MINIMUM AND 4.050 INCHES MAXIMUM4.050 INCHES MAXIMUM IN
MaterialCOPPER ALL TUBING SEGMENT AND FLANGE
Flange Quantity22
Insertion Loss in Decibels0.500.50
Flange Connecting Hole Diameter0.127 INCHES MINIMUM AND 0.127 INCHES MINIMUM AND 0.128 INCHES MAXIMUM SECOND FLANGE ALL CONNECTION FACILITIES0.128 INCHES MAXIMUM SECOND FLANGE ALL CONNECTION FACILITIES IN
Flange Connecting Hole Diameter0.188 INCHES MINIMUM AND 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM FIRST FLANGE ALL CONNECTION FACILITIES0.189 INCHES MAXIMUM FIRST FLANGE ALL CONNECTION FACILITIES IN
Flange Connecting Facility and Quantity2 UNTHREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES2 UNTHREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES
Surface TreatmentLACQUER ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACESLACQUER ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
Flange Connecting Facility and Quantity2 UNTHREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES2 UNTHREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES
Flange Outside Width1.660 INCHES NOMINAL FIRST FLANGE1.660 INCHES NOMINAL FIRST FLANGE IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULARINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4130-00-061-870369-93 INTERCHANGEABLE
Filter Element,air Conditioning
Curtiss-Wright Controls Integrated Sensing, Inc.
5355-01-166-367206000-1 INTERCHANGEABLE
Knob
Electro Switch Corp. Dba Electro Switch Corp
6505-01-536-9892NDC49281-0006-50 INTERCHANGEABLE
Influenza Virus Vaccine
Sanofi Pasteur Inc.
5895-01-686-1626060001 INTERCHANGEABLE
Interface Unit,communication Equ
General Dynamics Mission Systems, Inc. Dba Electronics & Communications Div Electronics & Communications
Cross-Reference Index
Part NumberManufacturer
999D060001 L3 Technologies, Inc. Div L3 Keo (USA)
933D055519 Microtech Inc Dba Microtech Inc (USA)
060001 L3 Technologies, Inc. Div L3 Keo (USA)
933D055519 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
4130-00-061-8703INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
69-93
5355-01-166-3672INTERCHANGEABLE
KNOB
06000-1
6505-01-536-9892INTERCHANGEABLE
INFLUENZA VIRUS VACCINE
NDC49281-0006-50
5895-01-686-1626INTERCHANGEABLE
INTERFACE UNIT,COMMUNICATION EQU
060001

Frequently Asked Questions

What is NSN 5985-01-099-2660?

NSN 5985-01-099-2660 is a Adapter,waveguide, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-099-2660?

NSN 5985-01-099-2660 has 4 cross-referenced part numbers: 999D060001 (L3 Technologies, Inc. Div L3 Keo), 933D055519 (Microtech Inc Dba Microtech Inc), 060001 (L3 Technologies, Inc. Div L3 Keo), 933D055519 (L3 Technologies, Inc. Div L3 Keo).

What NSN replaces 5985-01-099-2660?

There are 4 known substitutes for 5985-01-099-2660: 4130-00-061-8703, 5355-01-166-3672, 6505-01-536-9892 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 933D055519?

Key specifications for 933D055519: Flange Depth: 0.225 INCHES MINIMUM AND 0.225 INCHES MINIMUM AND 0.250 INCHES MAXIMUM SECOND FLANGE0.250 INCHES MAXIMUM SECOND FLANGE IN; Flange Outside Height: 0.430 INCHES NOMINAL FIRST FLANGE0.430 INCHES NOMINAL FIRST FLANGE IN; Flange Outside Width: 1.438 INCHES NOMINAL SECOND FLANGE1.438 INCHES NOMINAL SECOND FLANGE IN; Supplementary Features: 8.0 TO 18.0 GHZ FREQ RANGE8.0 TO 18.0 GHZ FREQ RANGE GHz. 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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