PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90FA179-2Flange,waveguide

Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc · NSN 5985-01-092-7872 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-092-7872 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-092-7872. Primary manufacturer part number: 90FA179-2.
Features
  • Flange,waveguide — FSC 5985
  • Flange Style: CONTACT TYPE SINGLE FLANGE
  • Flange Outside Width: 1.800 INCHES NOMINAL SINGLE FLANGE IN
  • Flange Connecting Hole Diameter: 0.149 INCHES NOMINAL SINGLE FLANGE SINGLE CONNECTION FACILITY IN
  • Flange Inside Height: 0.400 INCHES NOMINAL SINGLE FLANGE IN
  • Flange Connecting Facility and Quantity: 4 UNTHREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY
  • Material: ALUMINUM ALLOY 6061 ALL FLANGE
  • Flange Outside Height: 0.875 INCHES NOMINAL SINGLE FLANGE IN
Applications
  • Applications requiring Aluminum Alloy 6061 All Flange construction
General Description

The Flange,waveguide, cataloged under National Stock Number 5985-01-092-7872, 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 Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-092-7872
Primary Part Number90FA179-2
Item NameFlange,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMicrowave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc
StatusACTIVE
Flange StyleCONTACT TYPE SINGLE FLANGE
Flange Outside Width1.800 INCHES NOMINAL SINGLE FLANGE IN
Flange Connecting Hole Diameter0.149 INCHES NOMINAL SINGLE FLANGE SINGLE CONNECTION FACILITY IN
Flange Inside Height0.400 INCHES NOMINAL SINGLE FLANGE IN
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY
MaterialALUMINUM ALLOY 6061 ALL FLANGE
Flange Outside Height0.875 INCHES NOMINAL SINGLE FLANGE IN
Flange Depth0.300 INCHES NOMINAL SINGLE FLANGE IN
Flange Inside Width0.900 INCHES NOMINAL SINGLE FLANGE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-004-2083984655-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
3040-00-306-5491 INTERCHANGEABLE
Pawl
5360-00-526-385541382 INTERCHANGEABLE
Spring,helical,extension
Telemechanics Inc
5120-00-654-3629DWG5120-00-654-3629 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
General Services Administration Federal Supply Service
5950-00-724-169680368 INTERCHANGEABLE
Reactor
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5962-01-175-441041382 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
6320-01-436-0513 INTERCHANGEABLE
Indicator,ship's Engine Order
4320-01-487-5446218-41375 ITEM 7 INTERCHANGEABLE
Cylinder Sleeve
Moog Inc. Dba Ampac-Isp Corp
6530-01-672-55017100208314 INTERCHANGEABLE
Sterilization Test Pack,biologic
Solventum Us Llc
Cross-Reference Index
Part NumberManufacturer
X9379-2 Mcs Corporation (USA)
4138-2 A and a Engineering Enterprises (USA)
90FA179-2 PRIMARY Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA)
102680-2 Microwave Products Inc Sub of Adams-Russel Co Inc (USA)
900950-2 Raytheon Company Dba Raytheon (USA)
H49GC50-2 PRIMARY American Radar Components Inc (USA)
Related Parts
5950-00-004-2083INTERCHANGEABLE
TRANSFORMER,POWER
984655-1
3040-00-306-5491INTERCHANGEABLE
PAWL
5360-00-526-3855INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
41382
5120-00-654-3629INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
DWG5120-00-654-3629
5950-00-724-1696INTERCHANGEABLE
REACTOR
80368
5962-01-175-4410INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
41382
6320-01-436-0513INTERCHANGEABLE
INDICATOR,SHIP'S ENGINE ORDER
4320-01-487-5446INTERCHANGEABLE
CYLINDER SLEEVE
218-41375 ITEM 7
6530-01-672-5501INTERCHANGEABLE
STERILIZATION TEST PACK,BIOLOGIC
7100208314

Frequently Asked Questions

What is NSN 5985-01-092-7872?

NSN 5985-01-092-7872 is a Flange,waveguide, manufactured by Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-092-7872?

NSN 5985-01-092-7872 has 6 cross-referenced part numbers: X9379-2 (Mcs Corporation), 4138-2 (A and a Engineering Enterprises), 90FA179-2 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc), 102680-2 (Microwave Products Inc Sub of Adams-Russel Co Inc), 900950-2 (Raytheon Company Dba Raytheon) and 1 more.

What NSN replaces 5985-01-092-7872?

There are 9 known substitutes for 5985-01-092-7872: 5950-00-004-2083, 3040-00-306-5491, 5360-00-526-3855 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 90FA179-2?

Key specifications for 90FA179-2: Flange Style: CONTACT TYPE SINGLE FLANGE; Flange Outside Width: 1.800 INCHES NOMINAL SINGLE FLANGE IN; Flange Connecting Hole Diameter: 0.149 INCHES NOMINAL SINGLE FLANGE SINGLE CONNECTION FACILITY IN; Flange Inside Height: 0.400 INCHES NOMINAL SINGLE FLANGE IN. 9 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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