The Waveguide Assembly, cataloged under National Stock Number 5985-00-020-5512, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-00-020-5512 |
| Primary Part Number | 47277-3600 |
| 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 | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 1.870 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.05 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 3.400 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 5.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 3.750 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.164 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 3.570 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Length | 3.000 FEET NOMINAL FT |
| Waveguide Outside Height | 1.860 INCHES NOMINAL IN |
| Waveguide Outside Width | 3.560 INCHES NOMINAL IN |
| Flange Depth | 1.000 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 5.438 INCHES NOMINAL ALL FLANGES IN |
| Surface Treatment | CHROMATE SINGLE TUBING SEGMENT ALL SURFACES |
| Waveguide Inside Height | 1.700 INCHES NOMINAL IN |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 10 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | CONTACT TYPE ALL FLANGES |
| 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 |
|---|---|
| 47277-3600 | Mega Industries Inc Mega Microwave Div (USA) |
| 117298-1 | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| C35896-1 | 3/2 Design control — primary reference U.S. Government activity |
| 47277-3600 | 5/9 Secondary reference U.S. Government activity |
| 117298-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-020-5512 is a Waveguide Assembly, manufactured by Mega Industries Inc Mega Microwave Div, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-020-5512 has 2 manufacturer part numbers on file: 47277-3600 (Mega Industries Inc Mega Microwave Div), 117298-1 (Frontgrade Technologies Inc.).
Key specifications for 47277-3600: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 1.870 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.05. 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.
NSN 5985-00-020-5512 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.