The Waveguide Assembly, cataloged under National Stock Number 5985-01-195-9403, 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 Us Army Aviation and Missile Command. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-195-9403 |
| Primary Part Number | 11438071 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Flange Inside Height | 0.872 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Height | 0.872 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Height | 3.437 INCHES NOMINAL IN |
| Flange Quantity | 2 |
| Bend Angle in Deg | 90.0 SINGLE BEND E-PLANE |
| Style Designator | DOUBLE BEND TYPE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Waveguide Inside Width | 1.872 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR |
| Flange Outside Height | 2.500 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Height | 2.500 INCHES NOMINAL FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.259 INCHES NOMINAL SECOND FLANGE SECOND CONNECTION FACILITY IN |
| Waveguide Center to Center Distance | 3.000 INCHES NOMINAL IN |
| Flange Inside Width | 1.872 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Width | 1.872 INCHES NOMINAL SECOND FLANGE IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE FIRST CONNECTION FACILITY |
| Nominal Thread Size | 0.250 INCHES FIRST FLANGE FIRST CONNECTION FACILITY IN |
| Waveguide Outside Height | 3.500 INCHES NOMINAL IN |
| Waveguide Outside Width | 7.000 INCHES NOMINAL IN |
| Flange Depth | 0.437 INCHES NOMINAL FIRST FLANGE IN |
| Flange Depth | 0.380 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 3.500 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 3.500 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Inside Height | 0.872 INCHES NOMINAL IN |
| Thread Class | 3B FIRST FLANGE FIRST CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 8 THREADED HOLE(S) FIRST FLANGE FIRST CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) SECOND FLANGE SECOND CONNECTION FACILITY |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST FLANGE FIRST CONNECTION FACILITY |
| Flange Style | CONTACT 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 |
| Part Number | Manufacturer |
|---|---|
| 11438071 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 11438071 | 5/1 Secondary reference 3dbm Co Inc Waveguide Group |
| 11438071 | 5/9 Secondary reference Ferrite Microwave Technologies, Llc |
| 11438071 | 5/9 Secondary reference Ikard Manufacturing Co |
NSN 5985-01-195-9403 is a Waveguide Assembly, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-195-9403 has 1 manufacturer part number on file: 11438071 (Us Army Aviation and Missile Command).
Key specifications for 11438071: Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Inside Height: 0.872 INCHES NOMINAL FIRST FLANGE IN; Flange Inside Height: 0.872 INCHES NOMINAL SECOND FLANGE IN; Waveguide Height: 3.437 INCHES NOMINAL 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 5985-01-195-9403 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.