The Waveguide Assembly, cataloged under National Stock Number 5985-01-087-3810, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-087-3810 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENTSEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.311 INCHES NOMINAL SECOND FLANGE0.311 INCHES NOMINAL SECOND FLANGE IN |
| Flange Inside Height | 0.395 INCHES NOMINAL FIRST FLANGE0.395 INCHES NOMINAL FIRST FLANGE IN |
| Flange Quantity | 22 |
| Bend Angle in Deg | 90.0 SINGLE BEND H-PLANE90.0 SINGLE BEND H-PLANE |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 2.000 INCHES NOMINAL IN |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Flange Inside Diameter | 1.000 INCHES NOMINAL SECOND FLANGE1.000 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Inside Width | 0.622 INCHES NOMINAL0.622 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULARINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.312 INCHES NOMINAL SECOND FLANGE1.312 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Height | 1.313 INCHES NOMINAL FIRST FLANGE1.313 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Width | 0.622 INCHES NOMINAL SECOND FLANGE0.622 INCHES NOMINAL SECOND FLANGE IN |
| Flange Inside Width | 0.706 INCHES NOMINAL FIRST FLANGE0.706 INCHES NOMINAL FIRST FLANGE IN |
| Thread Direction | RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIESRIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES |
| Nominal Thread Size | 0.138 INCHES ALL FLANGES ALL CONNECTION FACILITIES0.138 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN |
| Waveguide Outside Height | 1.312 INCHES NOMINAL1.312 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.312 INCHES NOMINAL1.312 INCHES NOMINAL IN |
| Flange Depth | 0.375 INCHES NOMINAL SECOND FLANGE0.375 INCHES NOMINAL SECOND FLANGE IN |
| Flange Depth | 0.313 INCHES NOMINAL FIRST FLANGE0.313 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 1.312 INCHES NOMINAL SECOND FLANGE1.312 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 1.313 INCHES NOMINAL FIRST FLANGE1.313 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Inside Height | 0.311 INCHES NOMINAL0.311 INCHES NOMINAL IN |
| Thread Class | 2B ALL FLANGES ALL CONNECTION FACILITIES2B ALL FLANGES ALL CONNECTION FACILITIES |
| Material | METAL NONFERROUS/D SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES4 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | CHOKE TYPE SECOND FLANGE |
| Flange Style | CHOKE TYPE FIRST FLANGECHOKE TYPE FIRST FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 869447-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-087-3810 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-087-3810: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENTSEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.311 INCHES NOMINAL SECOND FLANGE0.311 INCHES NOMINAL SECOND FLANGE IN; Flange Inside Height: 0.395 INCHES NOMINAL FIRST FLANGE0.395 INCHES NOMINAL FIRST FLANGE IN; Flange Quantity: 22. 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 5985-01-087-3810 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.