PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

105457Waveguide Assembly

Frontgrade Technologies Inc. · NSN 5985-00-064-6216 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-064-6216 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-064-6216. Primary manufacturer part number: 105457.
Features
  • Waveguide Assembly — FSC 5985
  • Material: ALUMINUM ALLOY ALL FLANGE
  • Thread Class: 2B SECOND FLANGE SINGLE CONNECTION FACILITY
  • Flange Depth: 0.375 INCHES NOMINAL SECOND FLANGE IN
  • Flange Connecting Facility and Quantity: 8 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY
  • Waveguide Center to Center Distance: 10.375 INCHES NOMINAL IN
  • Voltage Standing Wave Ratio: 1.10
  • Flange Style: COVER TYPE SECOND FLANGE
Applications
  • Applications requiring Aluminum Alloy All Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-064-6216, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-064-6216
Primary Part Number105457
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerFrontgrade Technologies Inc.
StatusACTIVE
MaterialALUMINUM ALLOY ALL FLANGE
Thread Class2B SECOND FLANGE SINGLE CONNECTION FACILITY
Flange Depth0.375 INCHES NOMINAL SECOND FLANGE IN
Flange Connecting Facility and Quantity8 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY
Waveguide Center to Center Distance10.375 INCHES NOMINAL IN
Voltage Standing Wave Ratio1.10
Flange StyleCOVER TYPE SECOND FLANGE
Flange StyleCHOKE TYPE FIRST FLANGE
Waveguide Inside Height0.872 INCHES NOMINAL IN
Waveguide Outside Height1.000 INCHES NOMINAL IN
Waveguide Outside Width2.000 INCHES NOMINAL IN
Flange Depth0.938 INCHES NOMINAL FIRST FLANGE IN
Thread DirectionRIGHT-HAND SECOND FLANGE SINGLE CONNECTION FACILITY
FlexibilityFLEXIBLE FIRST TUBING SEGMENT
FlexibilityRIGID SECOND TUBING SEGMENT
Flange Inside Width1.872 INCHES NOMINAL FIRST FLANGE IN
Flange Inside Height0.872 INCHES NOMINAL FIRST FLANGE IN
Flange Quantity2
Flange Inside Height1.002 INCHES NOMINAL SECOND FLANGE IN
Flange Outside Diameter3.625 INCHES NOMINAL FIRST FLANGE IN
Flange Inside Width2.002 INCHES NOMINAL SECOND FLANGE IN
FSC Application DataRADIO AND TELEVISION COMMUNICATION EQUIPMENT,EXCEPT AIRBORNE
Surface TreatmentCHROMATE ALL FLANGE INSIDE SURFACES
Flange Outside Diameter3.625 INCHES NOMINAL SECOND FLANGE IN
Bend Angle in Deg90.0 ALL BENDS H-PLANE
Flange Connecting Facility and Quantity8 THREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY
Nominal Thread Size0.190 INCHES SECOND FLANGE SINGLE CONNECTION FACILITY IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SECOND FLANGE SINGLE CONNECTION FACILITY
Style DesignatorOFFSET BEND TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6750-01-385-1366 INTERCHANGEABLE
Film,photographic
6930-01-522-499810-5457 INTERCHANGEABLE
Indicator Simulated
Simtek, Inc. Dba Simtek Inc
4310-01-602-5303105-457 INTERCHANGEABLE
Compressor
Fhp Manufacturing Company
Cross-Reference Index
Part NumberManufacturer
355-0303-00 Alcatel-Lucent Holdings Inc. (USA)
105457 Litton Systems Inc Airtron Div (USA)
105457 PRIMARY Frontgrade Technologies Inc. (USA)
Related Parts
6750-01-385-1366INTERCHANGEABLE
FILM,PHOTOGRAPHIC
6930-01-522-4998INTERCHANGEABLE
INDICATOR SIMULATED
10-5457
4310-01-602-5303INTERCHANGEABLE
COMPRESSOR
105-457

Frequently Asked Questions

What is NSN 5985-00-064-6216?

NSN 5985-00-064-6216 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 5985-00-064-6216?

NSN 5985-00-064-6216 has 3 cross-referenced part numbers: 355-0303-00 (Alcatel-Lucent Holdings Inc.), 105457 (Litton Systems Inc Airtron Div), 105457 (Frontgrade Technologies Inc.).

What NSN replaces 5985-00-064-6216?

There are 3 known substitutes for 5985-00-064-6216: 6750-01-385-1366, 6930-01-522-4998, 4310-01-602-5303. Verify interchangeability with system specifications before substitution.

What are the specifications of 105457?

Key specifications for 105457: Material: ALUMINUM ALLOY ALL FLANGE; Thread Class: 2B SECOND FLANGE SINGLE CONNECTION FACILITY; Flange Depth: 0.375 INCHES NOMINAL SECOND FLANGE IN; Flange Connecting Facility and Quantity: 8 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY. 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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