PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2171610-1Waveguide Assembly

Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin · NSN 5985-00-869-9144 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-869-9144 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-869-9144. Primary manufacturer part number: 2171610-1.
Features
  • Waveguide Assembly — FSC 5985
  • Waveguide Outside Width: 1.148 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
  • FSC Application Data: ANTENNAS,WAVEGUIDES AND RELATED EQUIP.
  • Surface Treatment: ENAMEL SINGLE TUBING SEGMENT OUTSIDE SURFACES
  • Flange Connecting Facility and Quantity: 4 THREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SECOND FLANGE SINGLE CONNECTION FACILITY
  • Flange Style: CHOKE TYPE SECOND FLANGE
Applications
  • Applications requiring Aluminum Single Tubing Segment construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-869-9144, 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 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-869-9144
Primary Part Number2171610-1
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin
StatusACTIVE
Waveguide Outside Width1.148 INCHES NOMINAL IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
FSC Application DataANTENNAS,WAVEGUIDES AND RELATED EQUIP.
Surface TreatmentENAMEL SINGLE TUBING SEGMENT OUTSIDE SURFACES
Flange Connecting Facility and Quantity4 THREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SECOND FLANGE SINGLE CONNECTION FACILITY
Flange StyleCHOKE TYPE SECOND FLANGE
Operating Pressure10.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
Style DesignatorSTRAIGHT TYPE
Waveguide Length4.500 INCHES NOMINAL IN
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Quantity2
Flange Connecting Hole Diameter0.169 INCHES NOMINAL FIRST FLANGE SINGLE CONNECTION FACILITY IN
Flange StyleCOVER TYPE FIRST FLANGE
Flange Outside Height1.688 INCHES NOMINAL SECOND FLANGE IN
FlexibilityRIGID SINGLE TUBING SEGMENT
Flange Outside Width1.688 INCHES NOMINAL FIRST FLANGE IN
Flange Inside Height0.510 INCHES NOMINAL FIRST FLANGE IN
Flange Inside Height0.510 INCHES NOMINAL SECOND FLANGE IN
Flange Outside Height1.688 INCHES NOMINAL FIRST FLANGE IN
Flange Inside Width1.020 INCHES NOMINAL FIRST FLANGE IN
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY
MaterialALUMINUM SINGLE TUBING SEGMENT
Flange Inside Width1.020 INCHES NOMINAL SECOND FLANGE IN
MaterialALUMINUM ALL FLANGE
Flange Outside Width1.688 INCHES NOMINAL SECOND FLANGE IN
Waveguide Inside Width1.020 INCHES NOMINAL IN
Waveguide Inside Height0.510 INCHES NOMINAL IN
Waveguide Outside Height0.638 INCHES NOMINAL IN
Nominal Thread Size0.164 INCHES SECOND FLANGE SINGLE CONNECTION FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2915-00-433-8992102316 INTERCHANGEABLE
Housing,fuel Control
Triumph Engine Control Systems Llc
6625-00-553-8770 INTERCHANGEABLE
Meter,special Scale
5985-00-815-3512TR68200 INTERCHANGEABLE
Waveguide Assembly
Ward Leonard Ct Llc
4910-01-186-9641102316 INTERCHANGEABLE
Joint
Racer Machinery International Inc
4820-01-414-56037D-33-2205 INTERCHANGEABLE
Gear Operator,valve
Cooper Cameron Corp Cooper Cameron Valves Div
Cross-Reference Index
Part NumberManufacturer
2171610-1 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
2171610-1 Microwave Engineering Corporation (USA)
102-316 Microwave Products Inc Sub of Adams-Russel Co Inc (USA)
102316 Microwave Products Inc Sub of Adams-Russel Co Inc (USA)
Related Parts
2915-00-433-8992INTERCHANGEABLE
HOUSING,FUEL CONTROL
102316
6625-00-553-8770INTERCHANGEABLE
METER,SPECIAL SCALE
5985-00-815-3512INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
TR68200
4910-01-186-9641INTERCHANGEABLE
JOINT
102316
4820-01-414-5603INTERCHANGEABLE
GEAR OPERATOR,VALVE
7D-33-2205

Frequently Asked Questions

What is NSN 5985-00-869-9144?

NSN 5985-00-869-9144 is a Waveguide Assembly, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-869-9144?

NSN 5985-00-869-9144 has 4 cross-referenced part numbers: 2171610-1 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 2171610-1 (Microwave Engineering Corporation), 102-316 (Microwave Products Inc Sub of Adams-Russel Co Inc), 102316 (Microwave Products Inc Sub of Adams-Russel Co Inc).

What NSN replaces 5985-00-869-9144?

There are 5 known substitutes for 5985-00-869-9144: 2915-00-433-8992, 6625-00-553-8770, 5985-00-815-3512 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2171610-1?

Key specifications for 2171610-1: Waveguide Outside Width: 1.148 INCHES NOMINAL IN; Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR; FSC Application Data: ANTENNAS,WAVEGUIDES AND RELATED EQUIP.; Surface Treatment: ENAMEL SINGLE TUBING SEGMENT OUTSIDE SURFACES. 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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