The Waveguide Assembly, cataloged under National Stock Number 5985-01-246-8665, 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 Northrop Grumman Systems Corporation. Government technical data includes 29 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-246-8665 |
| Primary Part Number | 134SCAV235-19 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Height | 0.503 INCHES MINIMUM SECOND FLANGE IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.05 |
| Bend Angle in Deg | 15.0 SINGLE BEND E-PLANE |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 2.285 INCHES MINIMUM AND 2.315 INCHES MAXIMUM IN |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Flange Inside Diameter | 1.407 INCHES MINIMUM AND 1.437 INCHES MAXIMUM FIRST FLANGE IN |
| Waveguide Inside Width | 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 30.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 1.003 INCHES MINIMUM SECOND FLANGE IN |
| Flange Inside Width | 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM FIRST FLANGE IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES |
| Nominal Thread Size | 0.164 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Outside Height | 0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN |
| Flange Depth | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Depth | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM FIRST FLANGE IN |
| Surface Treatment | CHROMATE ALL FLANGE OUTSIDE SURFACES |
| Surface Treatment | CHROMATE ZINC AND LACQUER SINGLE TUBING SEGMENT OUTSIDE SURFACES |
| 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 |
|---|---|
| 134SCAV235 | Microwave Engineering Corporation (USA) |
| 134SCAV235-19 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 134SCAV235-19 | 5/9 Secondary reference Astro Microwave Inc |
| 134SCAV235 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-246-8665 is a Waveguide Assembly, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-246-8665 has 2 manufacturer part numbers on file: 134SCAV235 (Microwave Engineering Corporation), 134SCAV235-19 (Northrop Grumman Systems Corporation).
Key specifications for 134SCAV235-19: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM FIRST FLANGE IN; Flange Inside Height: 0.503 INCHES MINIMUM SECOND FLANGE IN. 29 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 5985-01-246-8665 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.