The Waveguide Assembly, cataloged under National Stock Number 5985-01-419-1893, 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 29 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-419-1893 |
| Primary Part Number | 106343 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Style Designator | BEND TYPE |
| Flange Inside Width | 0.900 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Longer Offset Distance | 4.460 INCHES NOMINAL IN |
| Flange Depth | 0.438 INCHES NOMINAL FIRST FLANGE IN |
| Criticality Code Justification | FEAT |
| Flange Inside Height | 0.400 INCHES NOMINAL SECOND FLANGE IN |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | COVER TYPE FIRST FLANGE |
| Flange Outside Width | 1.875 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Outside Width | 1.000 INCHES NOMINAL IN |
| Surface Treatment | SILVER SINGLE TUBING SEGMENT AND FLANGE ALL SURFACES |
| Precious Material and Location | WAVEGUIDE SURFACES SILVER |
| Flange Outside Height | 1.625 INCHES NOMINAL SECOND FLANGE IN |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Voltage Standing Wave Ratio | 1.08 |
| Waveguide Inside Width | 0.900 INCHES NOMINAL IN |
| Thread Class | 2B SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Outside Width | 1.625 INCHES NOMINAL SECOND FLANGE IN |
| Nominal Thread Size | 0.164 INCHES SECOND FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Quantity | 2 |
| Flange Inside Diameter | 1.220 INCHES NOMINAL SECOND FLANGE IN |
| Thread Direction | RIGHT-HAND SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Inside Width | 1.255 INCHES NOMINAL FIRST FLANGE IN |
| Flange Depth | 0.438 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Height | 1.875 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Height | 0.630 INCHES NOMINAL FIRST FLANGE IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Waveguide Inside Height | 0.400 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 9900C01599-105 | Lockheed Martin Corporation Dba Lm Aeronautics Company (USA) |
| 106343 PRIMARY | Frontgrade Technologies Inc. (USA) |
NSN 5985-01-419-1893 is a Waveguide Assembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-01-419-1893 has 2 cross-referenced part numbers: 9900C01599-105 (Lockheed Martin Corporation Dba Lm Aeronautics Company), 106343 (Frontgrade Technologies Inc.).
There are 3 known substitutes for 5985-01-419-1893: 5305-00-017-9890, 5998-00-682-4895, 4820-01-105-7490. Verify interchangeability with system specifications before substitution.
Key specifications for 106343: Style Designator: BEND TYPE; Flange Inside Width: 0.900 INCHES NOMINAL SECOND FLANGE IN; Waveguide Longer Offset Distance: 4.460 INCHES NOMINAL IN; Flange Depth: 0.438 INCHES NOMINAL FIRST FLANGE IN. 30 total characteristics are documented in the Federal Logistics Information System.