PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

115341Waveguide Assembly

Frontgrade Technologies Inc. · NSN 5985-00-445-7992 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-445-7992 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-445-7992. Primary manufacturer part number: 115341.
Features
  • Waveguide Assembly — FSC 5985
  • Insertion Loss in Decibels: 0.20
  • Flange Connecting Facility and Quantity: 6 THREADED HOLE(S) ALL FLANGES FIRST CONNECTION FACILITY
  • Voltage Standing Wave Ratio: 1.45
  • FSC Application Data: COUNTERMEASURES SET
  • Thread Direction: RIGHT-HAND ALL FLANGES SECOND CONNECTION FACILITY
  • Flexibility: FLEXIBLE SINGLE TUBING SEGMENT
  • Thread Class: 2B ALL FLANGES SECOND CONNECTION FACILITY
Applications
  • Applications requiring Plastic All Tubing Jacket construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-445-7992, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5985-00-445-7992
Primary Part Number115341
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerFrontgrade Technologies Inc.
StatusACTIVE
Insertion Loss in Decibels0.20
Flange Connecting Facility and Quantity6 THREADED HOLE(S) ALL FLANGES FIRST CONNECTION FACILITY
Voltage Standing Wave Ratio1.45
FSC Application DataCOUNTERMEASURES SET
Thread DirectionRIGHT-HAND ALL FLANGES SECOND CONNECTION FACILITY
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
Thread Class2B ALL FLANGES SECOND CONNECTION FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL FLANGES SECOND CONNECTION FACILITY
Flange StyleCONTACT, DOUBLE RIDGE TYPE ALL FLANGES
Flange Connecting Hole Diameter0.144 INCHES MINIMUM AND 0.149 INCHES MAXIMUM ALL FLANGES FIRST CONNECTION FACILITY IN
MaterialPLASTIC ALL TUBING JACKET
Waveguide Center to Center Distance8.380 INCHES NOMINAL IN
Waveguide Height2.000 INCHES NOMINAL IN
Style DesignatorDOUBLE BEND TYPE
Flange Quantity2
Nominal Thread Size0.138 INCHES ALL FLANGES SECOND CONNECTION FACILITY IN
Flange Connecting Facility and Quantity6 UNTHREADED HOLE(S) ALL FLANGES SECOND CONNECTION FACILITY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5365-01-019-299111534-1 INTERCHANGEABLE
Spacer,plate
Crestview Aerospace Llc Div Crestview Aerospace
6635-01-647-5989115341 INTERCHANGEABLE
Probe Set,eddy Current
Kbr Wyle Services, Llc
Cross-Reference Index
Part NumberManufacturer
115341 PRIMARY Frontgrade Technologies Inc. (USA)
115341 Litton Systems Inc Airtron Div (USA)
Related Parts
5365-01-019-2991INTERCHANGEABLE
SPACER,PLATE
11534-1
6635-01-647-5989INTERCHANGEABLE
PROBE SET,EDDY CURRENT
115341

Frequently Asked Questions

What is NSN 5985-00-445-7992?

NSN 5985-00-445-7992 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 5985-00-445-7992?

NSN 5985-00-445-7992 has 2 cross-referenced part numbers: 115341 (Frontgrade Technologies Inc.), 115341 (Litton Systems Inc Airtron Div).

What NSN replaces 5985-00-445-7992?

There are 2 known substitutes for 5985-00-445-7992: 5365-01-019-2991, 6635-01-647-5989. Verify interchangeability with system specifications before substitution.

What are the specifications of 115341?

Key specifications for 115341: Insertion Loss in Decibels: 0.20; Flange Connecting Facility and Quantity: 6 THREADED HOLE(S) ALL FLANGES FIRST CONNECTION FACILITY; Voltage Standing Wave Ratio: 1.45; FSC Application Data: COUNTERMEASURES SET. 17 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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