The Waveguide Assembly, cataloged under National Stock Number 5985-01-134-5034, 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 30 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-134-5034 |
| Primary Part Number | 134SCAV235-21 |
| 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 SEGMENTSEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.396 INCHES MINIMUM AND 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM FIRST FLANGE0.404 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Height | 0.503 INCHES MINIMUM AND 0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM SECOND FLANGE0.506 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Quantity | 22 |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.061.06 |
| Waveguide First Leg Length | 0.930 INCHES NOMINAL IN |
| Waveguide Second Leg Length | 3.500 INCHES NOMINAL IN |
| Style Designator | FIVE BEND TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Flange Inside Diameter | 1.406 INCHES MINIMUM AND 1.406 INCHES MINIMUM AND 1.437 INCHES MAXIMUM FIRST FLANGE1.437 INCHES MAXIMUM FIRST FLANGE IN |
| Waveguide Inside Width | 0.896 INCHES MINIMUM AND 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM0.904 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULARINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM SECOND FLANGE1.640 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM FIRST FLANGE1.640 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM SECOND FLANGE ALL CONNECTION FACILITIES0.172 INCHES MAXIMUM SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.896 INCHES MINIMUM AND 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM FIRST FLANGE0.904 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Width | 1.003 INCHES MINIMUM AND 1.003 INCHES MINIMUM AND 1.006 INCHES MAXIMUM SECOND FLANGE1.006 INCHES MAXIMUM SECOND FLANGE IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIESRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES |
| Nominal Thread Size | 0.164 INCHES FIRST FLANGE ALL CONNECTION FACILITIES0.164 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Fourth Leg Length | 0.900 INCHES NOMINAL IN |
| Waveguide Fifth Leg Length | 4.610 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.496 INCHES MINIMUM AND 0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM0.504 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.996 INCHES MINIMUM AND 0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM1.004 INCHES MAXIMUM IN |
| Waveguide Sixth Leg Length | 2.600 INCHES NOMINAL IN |
| Flange Depth | 0.423 INCHES MINIMUM AND 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM SECOND FLANGE0.453 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Depth | 0.423 INCHES MINIMUM AND 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM FIRST FLANGE0.453 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM SECOND FLANGE1.640 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM FIRST FLANGE1.640 INCHES MAXIMUM FIRST FLANGE 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 |
|---|---|
| TS641646 | Microwave Engineering Corporation (USA) |
| 134SCAV235-21 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123411 | C/1 Advisory reference — outside the item-of-supply concept Frontgrade Technologies Inc. |
| 123411 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-134-5034 is a Waveguide Assembly, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-134-5034 has 2 manufacturer part numbers on file: TS641646 (Microwave Engineering Corporation), 134SCAV235-21 (Northrop Grumman Systems Corporation).
Key specifications for 134SCAV235-21: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENTSEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.396 INCHES MINIMUM AND 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM FIRST FLANGE0.404 INCHES MAXIMUM FIRST FLANGE IN; Flange Inside Height: 0.503 INCHES MINIMUM AND 0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM SECOND FLANGE0.506 INCHES MAXIMUM SECOND FLANGE IN. 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 5985-01-134-5034 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.