PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

110728Seal,waveguide

Litton Systems Inc Airtron Div · NSN 5985-00-069-1858 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-069-1858 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-069-1858. Primary manufacturer part number: 110728.
Features
  • Seal,waveguide — FSC 5985
  • Seal Inside Height: 0.311 INCHES NOMINAL IN
  • Seal Thickness: 0.125 INCHES NOMINAL IN
  • Seal Outside Height: 1.312 INCHES NOMINAL IN
  • Seal Inside Width: 0.622 INCHES NOMINAL IN
  • Seal Outside Width: 1.312 INCHES NOMINAL IN
  • Precious Material: SILVER
  • Material: COPPER ALLOY SINGLE SEAL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Copper Alloy Single Seal construction
General Description

The Seal,waveguide, cataloged under National Stock Number 5985-00-069-1858, 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 Litton Systems Inc Airtron Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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
NSN5985-00-069-1858
Primary Part Number110728
Item NameSeal,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerLitton Systems Inc Airtron Div
StatusACTIVE
Seal Inside Height0.311 INCHES NOMINAL IN
Seal Thickness0.125 INCHES NOMINAL IN
Seal Outside Height1.312 INCHES NOMINAL IN
Seal Inside Width0.622 INCHES NOMINAL IN
Seal Outside Width1.312 INCHES NOMINAL IN
Precious MaterialSILVER
MaterialCOPPER ALLOY SINGLE SEAL
Precious Material and LocationSEAL SURFACE SILVER
Surface TreatmentSILVER SINGLE SEAL ALL SURFACES
Style DesignatorFOR RECTANGULAR WAVEGUIDE AND FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5305-00-371-0770545-15 INTERCHANGEABLE
Setscrew
Elbitamerica, Inc.
6210-00-822-9044 INTERCHANGEABLE
Light,indicator
5940-01-070-4248BCU-035 INTERCHANGEABLE
Splice,conductor
Penn-Union Corp Div Penn-Union Corp
6625-01-082-14805451-5 INTERCHANGEABLE
Meter,arbitrary Scale
General Microwave Corporation Div Kratos Microwave Electronics
6680-01-098-968254515 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
110728 Litton Systems Inc Airtron Div (USA)
MA1433 Cobham Advanced Electronic Solutions Inc. (USA)
V3741Z5X1 Siemens Schweiz Ag Dba Siemens Switzerland Ltd. (CHE)
MA-1433A Cobham Advanced Electronic Solutions Inc. (USA)
7224999-1 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
54515 Litton Systems Inc Airtron Div (USA)
110728 Frontgrade Technologies Inc. (USA)
Related Parts
5305-00-371-0770INTERCHANGEABLE
SETSCREW
545-15
6210-00-822-9044INTERCHANGEABLE
LIGHT,INDICATOR
5940-01-070-4248INTERCHANGEABLE
SPLICE,CONDUCTOR
BCU-035
6625-01-082-1480INTERCHANGEABLE
METER,ARBITRARY SCALE
5451-5
6680-01-098-9682INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
54515

Frequently Asked Questions

What is NSN 5985-00-069-1858?

NSN 5985-00-069-1858 is a Seal,waveguide, manufactured by Litton Systems Inc Airtron Div, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-069-1858?

NSN 5985-00-069-1858 has 7 cross-referenced part numbers: 110728 (Litton Systems Inc Airtron Div), MA1433 (Cobham Advanced Electronic Solutions Inc.), V3741Z5X1 (Siemens Schweiz Ag Dba Siemens Switzerland Ltd.), MA-1433A (Cobham Advanced Electronic Solutions Inc.), 7224999-1 (Lockheed Martin Corp Naval Electronics & Surveillance Systems) and 2 more.

What NSN replaces 5985-00-069-1858?

There are 5 known substitutes for 5985-00-069-1858: 5305-00-371-0770, 6210-00-822-9044, 5940-01-070-4248 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 110728?

Key specifications for 110728: Seal Inside Height: 0.311 INCHES NOMINAL IN; Seal Thickness: 0.125 INCHES NOMINAL IN; Seal Outside Height: 1.312 INCHES NOMINAL IN; Seal Inside Width: 0.622 INCHES NOMINAL IN. 10 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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