The Waveguide Assembly, cataloged under National Stock Number 5985-01-260-3671, 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 Microwave Engineering Corporation. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-260-3671 |
| Primary Part Number | 654M2516-819 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 2.000 INCHES NOMINAL IN |
| Operating Pressure | 20.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Waveguide Longer Offset Distance | 3.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 654M2516-819 | Microwave Engineering Corporation (USA) |
| 654M2516-819 | Microtech Inc Dba Microtech Inc (USA) |
| Reference | Meaning |
|---|---|
| 654M2516-819 | 3/2 Design control — primary reference U.S. Government activity |
| 654M2516-1 | 5/9 Secondary reference Microtech Inc Dba Microtech Inc |
NSN 5985-01-260-3671 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-260-3671 has 2 manufacturer part numbers on file: 654M2516-819 (Microwave Engineering Corporation), 654M2516-819 (Microtech Inc Dba Microtech Inc).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-260-9449. Verify interchangeability with system specifications before substitution.
Key specifications for 654M2516-819: Flange Quantity: 2; Style Designator: BEND TYPE; Waveguide Offset Distance: 2.000 INCHES NOMINAL IN; Operating Pressure: 20.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS. 5 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 5985-01-260-3671 has DEMIL Code Q. 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.