The Waveguide Assembly, cataloged under National Stock Number 5985-00-300-3970, 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 L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-300-3970 |
| Primary Part Number | 45326 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Thread Quantity Per Inch | 32 SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Thread Class | 2B FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Outside Width | 1.625 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Inside Width | 0.900 INCHES NOMINAL IN |
| Flange Inside Height | 0.505 INCHES NOMINAL SECOND FLANGE IN |
| Flange Inside Width | 1.003 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Inside Height | 0.400 INCHES NOMINAL IN |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Width | 0.900 INCHES NOMINAL FIRST FLANGE IN |
| Nominal Thread Size | 0.164 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Tubing Twist Type | STRAIGHT TWIST SINGLE TUBING SEGMENT |
| Flange Outside Width | 1.625 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Outside Width | 1.000 INCHES NOMINAL IN |
| Style Designator | STRAIGHT TYPE |
| Flange Style | COVER TYPE SECOND FLANGE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Precious Material | SILVER |
| Surface Treatment | SILVER ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Waveguide Length | 3.750 INCHES NOMINAL IN |
| Precious Material and Location | FLANGE SURFACE SILVER |
| Material | COPPER ALLOY ALL TUBING SEGMENT AND FLANGE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | CHOKE TYPE FIRST FLANGE |
| Waveguide Outside Height | 0.500 INCHES NOMINAL IN |
| Flange Outside Height | 1.625 INCHES NOMINAL SECOND FLANGE IN |
| Flange Inside Height | 0.400 INCHES NOMINAL FIRST FLANGE IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Quantity | 2 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 45326 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 5985-00-300-3970 is a Waveguide Assembly, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-00-300-3970 has 1 cross-referenced part number: 45326 (L3harris Technologies, Inc Div Space & Airborne Systems).
There are 2 known substitutes for 5985-00-300-3970: 6730-00-558-5873, 5120-01-348-9467. Verify interchangeability with system specifications before substitution.
Key specifications for 45326: Thread Quantity Per Inch: 32 SINGLE FLANGE SINGLE CONNECTION FACILITY; Thread Class: 2B FIRST FLANGE SINGLE CONNECTION FACILITY; Flange Outside Width: 1.625 INCHES NOMINAL SECOND FLANGE IN; Waveguide Inside Width: 0.900 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.