The Waveguide Assembly, cataloged under National Stock Number 5985-00-141-5971, 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 Guide Microwave Inc. Government technical data includes 30 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.
| Parameter | Value |
|---|---|
| NSN | 5985-00-141-5971 |
| Primary Part Number | 621015 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Guide Microwave Inc |
| Status | ACTIVE |
| Waveguide Inside Height | 0.3085 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN |
| Waveguide Longer Offset Distance | 6.000 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Inside Height | 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM FIRST FLANGE IN |
| Waveguide Outside Width | 0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN |
| Flange Inside Width | 0.705 INCHES MINIMUM AND 0.707 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Depth | 0.298 INCHES MINIMUM AND 0.328 INCHES MINIMUM SECOND FLANGE IN |
| Flange Outside Height | 1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Inside Width | 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Depth | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM FIRST FLANGE IN |
| Waveguide Inside Width | 0.6195 INCHES MINIMUM AND 0.6245 INCHES MAXIMUM IN |
| Precious Material | SILVER |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Flange Style | CHOKE TYPE FIRST FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES |
| Surface Treatment | SILVER ALL FLANGE INSIDE SURFACES |
| Precious Material and Location | FLANGE SURFACE SILVER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST FLANGE ALL CONNECTION FACILITIES |
| Surface Treatment | ENAMEL ALL FLANGE OUTSIDE SURFACES |
| Waveguide Offset Distance | 2.750 INCHES NOMINAL IN |
| Style Designator | BEND TYPE |
| Material | COPPER ALLOY ALL FLANGE |
| Flange Outside Width | 1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Inside Height | 0.394 INCHES MINIMUM AND 0.396 INCHES MAXIMUM SECOND FLANGE IN |
| Thread Quantity Per Inch | 32 FIRST FLANGE ALL CONNECTION FACILITIES |
| Waveguide Outside Height | 0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.138 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Bend Angle in Deg | 90.0 SINGLE BEND E-PLANE |
| Flange Quantity | 2 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 621015 | Guide Microwave Inc (USA) |
| EEP1661-121 | Lockheed Martin Corp (USA) |
NSN 5985-00-141-5971 is a Waveguide Assembly, manufactured by Guide Microwave Inc, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-00-141-5971 has 2 cross-referenced part numbers: 621015 (Guide Microwave Inc), EEP1661-121 (Lockheed Martin Corp).
There are 2 known substitutes for 5985-00-141-5971: 5920-00-131-9909, 5930-00-929-1686. Verify interchangeability with system specifications before substitution.
Key specifications for 621015: Waveguide Inside Height: 0.3085 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN; Waveguide Longer Offset Distance: 6.000 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES; Flange Inside Height: 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM FIRST FLANGE IN. 30 total characteristics are documented in the Federal Logistics Information System.