PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5537824-3Waveguide Assembly

Naval Sea Systems Command · NSN 5985-01-295-3380 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-295-3380 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-295-3380. Primary manufacturer part number: 5537824-3.
Features
  • Waveguide Assembly — FSC 5985
  • Thread Series Designator: UNF FIRST FLANGE ALL CONNECTION FACILITIES
  • Waveguide Inside Width: 2.840 INCHES NOMINAL IN
  • Flange Style: CONTACT TYPE FIRST FLANGE
  • Flange Outside Height: 3.000 INCHES NOMINAL SECOND FLANGE IN
  • Voltage Standing Wave Ratio: 1.10
  • Waveguide Length: 6.165 INCHES NOMINAL IN
  • Flange Quantity: 2
Applications
  • Applications requiring Copper Alloy Single Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-01-295-3380, 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 Naval Sea Systems Command. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-295-3380
Primary Part Number5537824-3
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Thread Series DesignatorUNF FIRST FLANGE ALL CONNECTION FACILITIES
Waveguide Inside Width2.840 INCHES NOMINAL IN
Flange StyleCONTACT TYPE FIRST FLANGE
Flange Outside Height3.000 INCHES NOMINAL SECOND FLANGE IN
Voltage Standing Wave Ratio1.10
Waveguide Length6.165 INCHES NOMINAL IN
Flange Quantity2
Flange Depth0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM SECOND FLANGE IN
Flange Connecting Hole Diameter0.262 INCHES MINIMUM AND 0.268 INCHES MAXIMUM SECOND FLANGE ALL CONNECTION FACILITIES IN
Thread Class3B FIRST FLANGE ALL CONNECTION FACILITIES
Nominal Thread Size0.190 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN
Flange Connecting Facility and Quantity8 THREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES
Flange StyleCONTACT TYPE SECOND FLANGE
Flange Connecting Facility and Quantity10 UNTHREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES
FlexibilityRIGID SINGLE TUBING SEGMENT
Flange Outside Width4.500 INCHES NOMINAL SECOND FLANGE IN
Insertion Loss in Decibels0.06
MaterialCOPPER ALLOY SINGLE TUBING SEGMENT AND FLANGE
Waveguide Center to Center Distance2.584 INCHES NOMINAL IN
Style DesignatorOFFSET BEND TYPE
Flange Inside Height1.335 INCHES MINIMUM AND 1.345 INCHES MAXIMUM FIRST FLANGE IN
Waveguide Outside Width3.000 INCHES NOMINAL IN
Flange Outside Width3.900 INCHES NOMINAL FIRST FLANGE IN
Flange Outside Height3.000 INCHES NOMINAL FIRST FLANGE IN
Flange Inside Height1.335 INCHES MINIMUM AND 1.345 INCHES MAXIMUM SECOND FLANGE IN
Flange Depth0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM FIRST FLANGE IN
Waveguide Outside Height1.500 INCHES NOMINAL IN
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Thread DirectionRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5360-00-924-2156401266 INTERCHANGEABLE
Spring,helical,compression
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
Cross-Reference Index
Part NumberManufacturer
5537824-3 PRIMARY Naval Sea Systems Command (USA)
51478-701 Mega Industries Inc Mega Microwave Div (USA)
235658 Microtech Inc Dba Microtech Inc (USA)
TVS86006 Microwave Engineering Corporation (USA)
51478-701 Microwave Techniques Llc (USA)
Related Parts
5360-00-924-2156INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
401266

Frequently Asked Questions

What is NSN 5985-01-295-3380?

NSN 5985-01-295-3380 is a Waveguide Assembly, manufactured by Naval Sea Systems Command, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-295-3380?

NSN 5985-01-295-3380 has 5 cross-referenced part numbers: 5537824-3 (Naval Sea Systems Command), 51478-701 (Mega Industries Inc Mega Microwave Div), 235658 (Microtech Inc Dba Microtech Inc), TVS86006 (Microwave Engineering Corporation), 51478-701 (Microwave Techniques Llc).

What NSN replaces 5985-01-295-3380?

There is 1 known substitute for 5985-01-295-3380: 5360-00-924-2156. Verify interchangeability with system specifications before substitution.

What are the specifications of 5537824-3?

Key specifications for 5537824-3: Thread Series Designator: UNF FIRST FLANGE ALL CONNECTION FACILITIES; Waveguide Inside Width: 2.840 INCHES NOMINAL IN; Flange Style: CONTACT TYPE FIRST FLANGE; Flange Outside Height: 3.000 INCHES NOMINAL SECOND FLANGE IN. 30 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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