PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

116484Waveguide Assembly

Frontgrade Technologies Inc. · NSN 5985-00-187-8985 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-187-8985 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-187-8985. Primary manufacturer part number: 116484.
Features
  • Waveguide Assembly — FSC 5985
  • Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
  • Flange Inside Height: 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM ALL FLANGES IN
  • Thread Direction: RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
  • Voltage Standing Wave Ratio: 1.15
  • Insertion Loss in Decibels: 0.10
  • Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT
  • Flange Depth: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN
Applications
  • Applications requiring Aluminum Alloy All Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-187-8985, 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 Frontgrade Technologies Inc.. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5985-00-187-8985
Primary Part Number116484
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerFrontgrade Technologies Inc.
StatusACTIVE
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange Inside Height0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM ALL FLANGES IN
Thread DirectionRIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
Voltage Standing Wave Ratio1.15
Insertion Loss in Decibels0.10
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Depth0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN
Flange Inside Diameter1.406 INCHES MINIMUM AND 1.437 INCHES MAXIMUM ALL FLANGES IN
Flange Inside Width0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM ALL FLANGES IN
Flange Outside Width1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN
Nominal Thread Size0.164 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN
Surface TreatmentSILVER SINGLE TUBING SEGMENT INSIDE SURFACES
Waveguide Inside Height0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN
Thread Quantity Per Inch32 ALL FLANGES ALL CONNECTION FACILITIES
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
Waveguide Inside Width0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN
Waveguide Outside Width0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN
Flange StyleCHOKE TYPE ALL FLANGES
Precious MaterialSILVER
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES
Flange Quantity2
Waveguide Outside Height0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN
Operating Pressure120.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
MaterialALUMINUM ALLOY ALL FLANGE
Surface TreatmentENAMEL ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
Precious Material and LocationINTERNAL TUBING SURFACES SILVER
Flange Connecting Facility and Quantity4 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Flange Outside Height1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN
Thread Class2B ALL FLANGES ALL CONNECTION FACILITIES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4140-00-726-9755 INTERCHANGEABLE
Fan,tubeaxial
5330-00-860-995616484 INTERCHANGEABLE
Packing,preformed
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
Cross-Reference Index
Part NumberManufacturer
116484 PRIMARY Frontgrade Technologies Inc. (USA)
116484 Litton Systems Inc Airtron Div (USA)
TS645462 Microwave Engineering Corporation (USA)
255562 Raytheon Company Dba Raytheon (USA)
Related Parts
4140-00-726-9755INTERCHANGEABLE
FAN,TUBEAXIAL
5330-00-860-9956INTERCHANGEABLE
PACKING,PREFORMED
16484

Frequently Asked Questions

What is NSN 5985-00-187-8985?

NSN 5985-00-187-8985 is a Waveguide Assembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-187-8985?

NSN 5985-00-187-8985 has 4 cross-referenced part numbers: 116484 (Frontgrade Technologies Inc.), 116484 (Litton Systems Inc Airtron Div), TS645462 (Microwave Engineering Corporation), 255562 (Raytheon Company Dba Raytheon).

What NSN replaces 5985-00-187-8985?

There are 2 known substitutes for 5985-00-187-8985: 4140-00-726-9755, 5330-00-860-9956. Verify interchangeability with system specifications before substitution.

What are the specifications of 116484?

Key specifications for 116484: Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR; Flange Inside Height: 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM ALL FLANGES IN; Thread Direction: RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES; Voltage Standing Wave Ratio: 1.15. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com