The Waveguide Assembly, cataloged under National Stock Number 5985-01-259-8328, 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 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-259-8328 |
| Primary Part Number | 654M2501-15 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Bend Angle in Deg | 34.0 SINGLE BEND E-PLANE |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 3.750 INCHES NOMINAL IN |
| Operating Pressure | 20.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Waveguide Longer Offset Distance | 53.870 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 |
| Part Number | Manufacturer |
|---|---|
| 654M2501-15 | Microwave Engineering Corporation (USA) |
| 654M2501-15 | Microtech Inc Dba Microtech Inc (USA) |
| 654M2501-15 | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 654M2501-15 | 5/9 Secondary reference Waveguide Engineering and Mfg Co Inc |
| 654M2501-15 | 5/9 Secondary reference Advanced Technical Materials, Inc. Dba a T M |
| 654M2501-15 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-259-8328 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-259-8328 has 3 manufacturer part numbers on file: 654M2501-15 (Microwave Engineering Corporation), 654M2501-15 (Microtech Inc Dba Microtech Inc), 654M2501-15 (Bright Lights Usa, Inc Dba Blusa Defense Manufacturing).
Key specifications for 654M2501-15: Flange Quantity: 2; Bend Angle in Deg: 34.0 SINGLE BEND E-PLANE; Style Designator: BEND TYPE; Waveguide Offset Distance: 3.750 INCHES NOMINAL IN. 6 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 5985-01-259-8328 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.