The Waveguide Assembly, cataloged under National Stock Number 5985-00-736-3484, 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 Mega Industries Inc Mega Microwave Div. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-736-3484 |
| Primary Part Number | 4450-4800 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Mega Industries Inc Mega Microwave Div |
| Status | ACTIVE |
| Tubing Wall Construction Style | NULL-POINT SEAM SINGLE TUBING SEGMENT |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.20 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.622 INCHES NOMINAL IN |
| Operating Pressure | 20.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 1.313 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Height | 1.313 INCHES NOMINAL FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.144 INCHES MINIMUM AND 0.147 INCHES MAXIMUM FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Thread Direction | RIGHT-HAND SECOND FLANGE SINGLE CONNECTION FACILITY |
| Waveguide Length | 4.000 FEET NOMINAL FT |
| Nominal Thread Size | 0.138 INCHES SECOND FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Outside Width | 1.313 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 1.313 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Inside Height | 0.311 INCHES NOMINAL IN |
| Thread Class | 2B SECOND FLANGE SINGLE CONNECTION FACILITY |
| Thread Quantity Per Inch | 32 SECOND FLANGE SINGLE CONNECTION FACILITY |
| Material | RUBBER SINGLE TUBING JACKET |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4450-4800 PRIMARY | Mega Industries Inc Mega Microwave Div (USA) |
| Reference | Meaning |
|---|---|
| 4450-4800 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-736-3484 is a Waveguide Assembly, manufactured by Mega Industries Inc Mega Microwave Div, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-736-3484 has 1 manufacturer part number on file: 4450-4800 (Mega Industries Inc Mega Microwave Div).
2 possible matches (shared part number, not a government interchangeability claim): 5910-00-951-9235, 2520-01-284-6162. Verify interchangeability with system specifications before substitution.
Key specifications for 4450-4800: Tubing Wall Construction Style: NULL-POINT SEAM SINGLE TUBING SEGMENT; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.20; Style Designator: STRAIGHT TYPE. 22 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.
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.