The Waveguide Assembly, cataloged under National Stock Number 5985-01-274-4153, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-274-4153 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.670 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Waveguide First Leg Length | 1.750 INCHES NOMINAL IN |
| Waveguide Second Leg Length | 14.120 INCHES NOMINAL IN |
| Bend Angle in Deg | 90.0 FIRST BEND E-PLANE |
| Bend Angle in Deg | 90.0 SECOND BEND H-PLANE |
| Bend Angle in Deg | 90.0 FOURTH BEND E-PLANE |
| Bend Angle in Deg | 90.0 THIRD BEND H-PLANE |
| Style Designator | FOUR BEND TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 2.840 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 2.330 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.255 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 2.840 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Fourth Leg Length | 6.230 INCHES NOMINAL IN |
| Waveguide Fifth Leg Length | 3.380 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.830 INCHES NOMINAL IN |
| Waveguide Outside Width | 3.000 INCHES NOMINAL IN |
| Flange Depth | 0.310 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 3.750 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Inside Height | 0.670 INCHES NOMINAL IN |
| Material | ALUMINUM SINGLE TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | CONTACT TYPE ALL FLANGES |
| Waveguide Third Leg Length | 6.440 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 |
| Reference | Meaning |
|---|---|
| 3258730 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 122849 | C/1 Advisory reference — outside the item-of-supply concept Frontgrade Technologies Inc. |
| 122849 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-274-4153 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-274-4153: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.670 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Waveguide First Leg Length: 1.750 INCHES NOMINAL IN. 27 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 5985-01-274-4153 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.