The Waveguide Assembly, cataloged under National Stock Number 5985-01-368-1803, 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 Naval Sea Systems Command. Government technical data includes 25 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-368-1803 |
| Primary Part Number | 5946180-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Waveguide Offset Distance | 1.125 INCHES NOMINAL IN |
| Flange Style | CHOKE TYPE ALL FLANGES |
| Waveguide Inside Height | 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Thread Class | 2B ALL FLANGES ALL CONNECTION FACILITIES |
| Operating Pressure | 15.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Waveguide Outside Height | 0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.164 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN |
| Waveguide Longer Offset Distance | 3.175 INCHES NOMINAL IN |
| Waveguide Inside Width | 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE |
| Style Designator | BEND TYPE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Surface Treatment | CHROMATE AND PAINT ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Thread Direction | RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Inside Height | 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN |
| Flange Inside Width | 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM ALL FLANGES IN |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Depth | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5985-01-368-1803 is a Waveguide Assembly, manufactured by Naval Sea Systems Command, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-01-368-1803 has 3 cross-referenced part numbers: 5946180-1 (Naval Sea Systems Command), 1522929-1 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1522929-1 (Lockheed Martin Corporation Div Rms).
There is 1 known substitute for 5985-01-368-1803: 3110-00-100-6220. Verify interchangeability with system specifications before substitution.
Key specifications for 5946180-1: Waveguide Offset Distance: 1.125 INCHES NOMINAL IN; Flange Style: CHOKE TYPE ALL FLANGES; Waveguide Inside Height: 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN; Flange Connecting Facility and Quantity: 4 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES. 25 total characteristics are documented in the Federal Logistics Information System.