PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

113833Waveguide Assembly

Frontgrade Technologies Inc. · NSN 5985-00-996-9814 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-996-9814 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-996-9814. Primary manufacturer part number: 113833.
Features
  • Waveguide Assembly — FSC 5985
  • Flange Outside Width: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN
  • Flange Connecting Hole Diameter: 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN
  • Flange Inside Width: 1.003 INCHES MINIMUM AND 1.006 INCHES MAXIMUM ALL FLANGES IN
  • Flange Inside Height: 0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM ALL FLANGES IN
  • Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT
  • Flange Quantity: 2
  • Flange Outside Height: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN
Applications
  • Applications requiring Copper Alloy Single Tubing Segment construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-996-9814, 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 28 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-996-9814
Primary Part Number113833
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerFrontgrade Technologies Inc.
StatusACTIVE
Flange Outside Width1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN
Flange Connecting Hole Diameter0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN
Flange Inside Width1.003 INCHES MINIMUM AND 1.006 INCHES MAXIMUM ALL FLANGES IN
Flange Inside Height0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM ALL FLANGES IN
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Quantity2
Flange Outside Height1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN
Flange Depth0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN
MaterialCOPPER ALLOY SINGLE TUBING SEGMENT
MaterialRUBBER SINGLE TUBING JACKET
Insertion Loss in Decibels0.10
Voltage Standing Wave Ratio1.05
Waveguide Inside Width0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Surface TreatmentSILVER SINGLE TUBING SEGMENT INSIDE SURFACES
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
Operating Pressure20.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
Waveguide Longer Offset Distance3.521 INCHES MINIMUM AND 3.541 INCHES MAXIMUM IN
Waveguide Offset Distance2.678 INCHES MINIMUM AND 2.698 INCHES MAXIMUM IN
Waveguide Inside Height0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN
Precious Material and LocationINTERNAL SURFACES WAVEGUIDE SILVER
MaterialALUMINUM ALLOY ALL FLANGE
Flange StyleCOVER TYPE ALL FLANGES
Precious MaterialSILVER
Waveguide Outside Height0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN
Style DesignatorBEND TYPE
Waveguide Outside Width0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3120-00-495-304322398-1 INTERCHANGEABLE
Bearing,eccentric
Elbitamerica, Inc.
4720-00-974-1690 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-978-8887 INTERCHANGEABLE
Hose Assembly,nonmetallic
2520-01-252-4463113833 INTERCHANGEABLE
Shaft,axle,automotive
Dana Off Highway Products, Llc
6680-01-280-8861113833 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
1285009969814 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
10548237 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
113833 Litton Systems Inc Airtron Div (USA)
113833 PRIMARY Frontgrade Technologies Inc. (USA)
223981 Microtech Inc Dba Microtech Inc (USA)
Related Parts
3120-00-495-3043INTERCHANGEABLE
BEARING,ECCENTRIC
22398-1
4720-00-974-1690INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-978-8887INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2520-01-252-4463INTERCHANGEABLE
SHAFT,AXLE,AUTOMOTIVE
113833
6680-01-280-8861INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
113833

Frequently Asked Questions

What is NSN 5985-00-996-9814?

NSN 5985-00-996-9814 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 5985-00-996-9814?

NSN 5985-00-996-9814 has 5 cross-referenced part numbers: 1285009969814 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), 10548237 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 113833 (Litton Systems Inc Airtron Div), 113833 (Frontgrade Technologies Inc.), 223981 (Microtech Inc Dba Microtech Inc).

What NSN replaces 5985-00-996-9814?

There are 5 known substitutes for 5985-00-996-9814: 3120-00-495-3043, 4720-00-974-1690, 4720-00-978-8887 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 113833?

Key specifications for 113833: Flange Outside Width: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN; Flange Connecting Hole Diameter: 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN; Flange Inside Width: 1.003 INCHES MINIMUM AND 1.006 INCHES MAXIMUM ALL FLANGES IN; Flange Inside Height: 0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM ALL FLANGES IN. 28 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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