The Waveguide Assembly, cataloged under National Stock Number 5985-00-693-4389, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-693-4389 |
| Primary Part Number | 1301524 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.397 INCHES MINIMUM AND 0.403 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.16 |
| Bend Angle in Deg | 40.0 FIRST BEND E-PLANE |
| Bend Angle in Deg | 82.0 SECOND BEND E-PLANE |
| Style Designator | OFFSET BEND TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.897 INCHES MINIMUM AND 0.903 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.625 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Center to Center Distance | 7.281 INCHES NOMINAL IN |
| Flange Inside Width | 0.897 INCHES MINIMUM AND 0.903 INCHES MAXIMUM FIRST FLANGE IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES |
| Waveguide Length | 13.188 INCHES NOMINAL IN |
| Nominal Thread Size | 0.164 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Outside Height | 0.503 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Waveguide Outside Width | 1.003 INCHES MINIMUM AND 1.006 INCHES MAXIMUM IN |
| Flange Outside Width | 1.625 INCHES NOMINAL FIRST FLANGE IN |
| Surface Treatment | ENAMEL ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Precious Material and Location | ALL SURFACES SILVER |
| Waveguide Inside Height | 0.397 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN |
| Thread Class | 2B FIRST FLANGE ALL CONNECTION FACILITIES |
| Material | COPPER ALLOY ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Style | CHOKE TYPE FIRST FLANGE |
| Flange Style | COVER TYPE SECOND FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1301524 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| A92650 | 5/9 Secondary reference Taylor and Gaskin Inc Conveyor Systems Div |
| 2341AY1B | 5/1 Secondary reference Shiloh Industries Inc |
| 1301524 | 5/1 Secondary reference Microtech Inc Dba Microtech Inc |
NSN 5985-00-693-4389 is a Waveguide Assembly, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-693-4389 has 1 manufacturer part number on file: 1301524 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1301524: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.397 INCHES MINIMUM AND 0.403 INCHES MAXIMUM FIRST FLANGE IN; Flange Quantity: 2. 30 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-00-693-4389 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.