PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10111668Waveguide Assembly

Us Army Aviation and Missile Command · NSN 5985-00-920-3489 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-920-3489 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-920-3489. Primary manufacturer part number: 10111668.
Features
  • Waveguide Assembly — FSC 5985
  • Flange Outside Width: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN
  • Waveguide Outside Width: 0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN
  • Operating Pressure: 15.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
  • Waveguide Inside Width: 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN
  • Precious Material and Location: INTERNAL SURFACES RHODIUM
  • Flexibility: FLEXIBLE SINGLE TUBING SEGMENT
  • Waveguide Inside Height: 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-920-3489, 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 Us Army Aviation and Missile Command. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-920-3489
Primary Part Number10111668
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Flange Outside Width1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN
Waveguide Outside Width0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN
Operating Pressure15.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
Waveguide Inside Width0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN
Precious Material and LocationINTERNAL SURFACES RHODIUM
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
Waveguide Inside Height0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN
Precious MaterialRHODIUM
Waveguide Center to Center Distance2.813 INCHES NOMINAL IN
Flange StyleCOVER TYPE ALL FLANGES
Flange Outside Height1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN
Waveguide Height4.500 INCHES NOMINAL IN
Waveguide Outside Height0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Connecting Hole Diameter0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN
Voltage Standing Wave Ratio1.10
Flange Depth0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN
Style DesignatorU-BEND TYPE
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Flange Inside Height0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM ALL FLANGES IN
Flange Quantity2
Flange Inside Width1.003 INCHES MINIMUM AND 1.006 INCHES MAXIMUM ALL FLANGES IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-138-80502092-8-8S INTERCHANGEABLE
Tee,pipe
Danfoss Power Solutions II, Llc
5320-01-142-3232HLT52YB-6-10 INTERCHANGEABLE
Pin-Rivet
Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc
Cross-Reference Index
Part NumberManufacturer
10111668 PRIMARY Us Army Aviation and Missile Command (USA)
209288 Microtech Inc Dba Microtech Inc (USA)
TS645286 Microwave Engineering Corporation (USA)
Related Parts
4730-00-138-8050INTERCHANGEABLE
TEE,PIPE
2092-8-8S
5320-01-142-3232INTERCHANGEABLE
PIN-RIVET
HLT52YB-6-10

Frequently Asked Questions

What is NSN 5985-00-920-3489?

NSN 5985-00-920-3489 is a Waveguide Assembly, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-920-3489?

NSN 5985-00-920-3489 has 3 cross-referenced part numbers: 10111668 (Us Army Aviation and Missile Command), 209288 (Microtech Inc Dba Microtech Inc), TS645286 (Microwave Engineering Corporation).

What NSN replaces 5985-00-920-3489?

There are 2 known substitutes for 5985-00-920-3489: 4730-00-138-8050, 5320-01-142-3232. Verify interchangeability with system specifications before substitution.

What are the specifications of 10111668?

Key specifications for 10111668: Flange Outside Width: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN; Waveguide Outside Width: 0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN; Operating Pressure: 15.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS; Waveguide Inside Width: 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN. 23 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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