The Waveguide Assembly, cataloged under National Stock Number 5985-01-209-5637, 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 Naval Sea Systems Command. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-209-5637 |
| Primary Part Number | 5788378 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flange Inside Height | 1.005 INCHES MINIMUM AND 1.005 INCHES MAXIMUM ALL FLANGES IN |
| Voltage Standing Wave Ratio | 1.12 |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 2.500 INCHES NOMINAL IN |
| Flange Outside Height | 2.480 INCHES MINIMUM AND 2.520 INCHES MAXIMUM ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.250 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 2.005 INCHES MINIMUM AND 2.010 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Width | 3.480 INCHES MINIMUM AND 3.520 INCHES MAXIMUM ALL FLANGES IN |
| Thread Class | 2B ALL FLANGES ALL CONNECTION FACILITIES |
| Thread Quantity Per Inch | 20 ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Connecting Facility and Quantity | 8 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | CONTACT TYPE ALL FLANGES |
| Waveguide Longer Offset Distance | 3.130 INCHES NOMINAL IN |
| 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 |
|---|---|
| 5788378 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5985-01-209-5637 is a Waveguide Assembly, manufactured by Naval Sea Systems Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-209-5637 has 1 manufacturer part number on file: 5788378 (Naval Sea Systems Command).
Key specifications for 5788378: Flange Inside Height: 1.005 INCHES MINIMUM AND 1.005 INCHES MAXIMUM ALL FLANGES IN; Voltage Standing Wave Ratio: 1.12; Style Designator: BEND TYPE; Waveguide Offset Distance: 2.500 INCHES NOMINAL IN. 14 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 5985-01-209-5637 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.