The Waveguide Assembly, cataloged under National Stock Number 5985-00-923-5176, 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 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-923-5176 |
| Primary Part Number | 2520979 |
| 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 |
| Flange Quantity | 1 |
| Voltage Standing Wave Ratio | 1.15 |
| Criticality Code Justification | FEAT |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 2520979 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2520979 | Polytech Defense Spares Llc (USA) |
| Reference | Meaning |
|---|---|
| 2520979 | 5/9 Secondary reference Raytheon Service Co Logistics Support Center |
NSN 5985-00-923-5176 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 5985-00-923-5176 has 2 manufacturer part numbers on file: 2520979 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2520979 (Polytech Defense Spares Llc).
Key specifications for 2520979: Flange Quantity: 1; Voltage Standing Wave Ratio: 1.15; Criticality Code Justification: FEAT; Flexibility: RIGID SINGLE TUBING SEGMENT. 4 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 5985-00-923-5176 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.