The Waveguide Assembly, cataloged under National Stock Number 5985-00-072-9644, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-072-9644 |
| Primary Part Number | 2116421REVE |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.628 INCHES MINIMUM AND 0.631 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Inside Height | 0.494 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Quantity | 2 |
| Bend Angle in Deg | 45.0 SECOND BEND H-PLANE |
| Bend Angle in Deg | 31.0 FIRST BEND E-PLANE |
| Bend Angle in Deg | 45.0 THIRD BEND H-PLANE |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 2.860 INCHES MINIMUM AND 2.890 INCHES MAXIMUM IN |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 1.001 INCHES MINIMUM AND 1.007 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 12.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 1.867 INCHES MINIMUM AND 1.883 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Height | 1.867 INCHES MINIMUM AND 1.883 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Connecting Hole Diameter | 0.167 INCHES MINIMUM AND 0.175 INCHES MAXIMUM SECOND FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 1.119 INCHES MINIMUM AND 1.125 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Width | 1.310 INCHES MINIMUM AND 1.314 INCHES MAXIMUM SECOND FLANGE IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITY |
| Nominal Thread Size | 0.164 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Waveguide Outside Height | 0.750 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.375 INCHES NOMINAL IN |
| Flange Depth | 0.433 INCHES MINIMUM AND 0.442 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Depth | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Width | 3.250 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 3.250 INCHES NOMINAL SECOND FLANGE IN |
| Surface Treatment | ENAMEL ALL TUBING SEGMENT OUTSIDE SURFACES |
| Surface Treatment | ENAMEL ALL FLANGE OUTSIDE SURFACES |
| Surface Treatment | GOLD AND SILVER ALL TUBING SEGMENT INSIDE 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 |
|---|---|
| 2116421REVE PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 1025184 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 2116421 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5985-00-072-9644 is a Waveguide Assembly, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-072-9644 has 3 manufacturer part numbers on file: 2116421REVE (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1025184 (Lockheed Martin Corporation Div Rms - Mitchel Field), 2116421 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5305-00-939-9615. Verify interchangeability with system specifications before substitution.
Key specifications for 2116421REVE: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.628 INCHES MINIMUM AND 0.631 INCHES MAXIMUM SECOND FLANGE IN; Flange Inside Height: 0.494 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST FLANGE IN; Flange Quantity: 2. 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 5985-00-072-9644 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.